{"formatVersion":"1.1","id":"https://www.mentalhealth.com/library/history-of-ocd","path":"/library/history-of-ocd","url":"https://www.mentalhealth.com/library/history-of-ocd","title":"The History of Obsessive Compulsive Disorder","family":"Library detail","description":"Uncover the origins of obsessive-compulsive disorder and trace how its understanding and treatment have evolved over time.","language":"en-US","access":{"audience":"public","indexable":true},"provenance":{"sourceUrl":"https://www.mentalhealth.com/library/history-of-ocd","wordpressId":"588","contentCompleteness":"complete","dateScope":"original-source"},"authors":[{"@type":"Person","@id":"https://www.mentalhealth.com/people/megan-eileen-mcdonough#person","name":"Megan Eileen McDonough","url":"https://www.mentalhealth.com/people/megan-eileen-mcdonough"},{"@type":"Person","@id":"https://www.mentalhealth.com/people/janet-singer#person","name":"Janet Singer","url":"https://www.mentalhealth.com/people/janet-singer"}],"reviewer":{"@type":"Person","@id":"https://www.mentalhealth.com/people/shivani-kharod#person","name":"Shivani Kharod, Ph.D.","url":"https://www.mentalhealth.com/people/shivani-kharod"},"dates":{"datePublished":"2025-05-23T10:48:53Z","dateModified":"2026-05-12T12:28:41Z","lastReviewed":"2025-05-23"},"content":{"html":"<nav aria-label=\"Breadcrumb\" class=\"breadcrumbs\"><ol><li><a href=\"https://www.mentalhealth.com/\">Home</a></li><li><a href=\"https://www.mentalhealth.com/library\">Library</a></li><li><a href=\"https://www.mentalhealth.com/library/obsessive-compulsive-disorder\">Obsessive-Compulsive Disorder</a></li><li><span aria-current=\"page\">The History of Obsessive Compulsive Disorder</span></li></ol></nav><div class=\"article-page article-standard\" data-library-standard=\"\"><div class=\"article-main-grid\"><header class=\"article-heading\"><h1>The History of Obsessive Compulsive Disorder</h1><p class=\"article-inline-credits\">Medically reviewed by <a class=\"article-credit-person\" href=\"https://www.mentalhealth.com/people/shivani-kharod\"><img alt=\"\" height=\"22\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/optimized/d298e1ab0221c766e22a9fce.jpg\" width=\"22\" decoding=\"async\">Shivani Kharod, Ph.D.</a> <span aria-hidden=\"true\" class=\"article-credit-divider\">–</span> Written by <a class=\"article-credit-person\" href=\"https://www.mentalhealth.com/people/megan-eileen-mcdonough\"><img alt=\"\" height=\"22\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/optimized/7297fbed04df9652a253fa2d.jpg\" width=\"22\" decoding=\"async\">Megan Eileen McDonough</a> and <a class=\"article-credit-person\" href=\"https://www.mentalhealth.com/people/janet-singer\"><img alt=\"\" height=\"22\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/optimized/35d59b0d6a28d23fb9c2a239.jpg\" width=\"22\" decoding=\"async\">Janet Singer</a></p><div class=\"article-dates\"><span>Published on <time datetime=\"2025-05-23T10:48:53Z\">May 23, 2025</time></span><span aria-hidden=\"true\"> · </span><span>Updated on <time datetime=\"2026-05-12T12:28:41Z\">May 12, 2026</time></span></div></header><div class=\"article-jumpbar\"></div><div class=\"article-layout\"><div class=\"article-reading\"><article class=\"prose\" id=\"article-content\"><div class=\"article-intro\" data-source-field=\"hero\"><p><a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/obsessive-compulsive-disorder\">Obsessive-compulsive disorder (OCD)</a> is a mental health condition marked by intrusive, unwanted thoughts (obsessions) and repetitive behaviors (compulsions) performed to ease anxiety or prevent perceived harm. These patterns can cause significant distress and disrupt daily life. However, many people hide or downplay these patterns due to shame or stigma.</p></div><p>Though OCD was once seen through a lens of morality, superstition, or religion, it is now recognized by the public as a legitimate and treatable <a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/mental-disorders\">mental disorder</a> within modern clinical practice.</p><figure class=\"article-feature\"><img alt=\"A person in a rust-colored sweater sits with hands clasped in their lap.\" decoding=\"async\" height=\"633\" loading=\"eager\" src=\"https://www.mentalhealth.com/assets/optimized/29876d6cac8c39ce83d7da36.webp\" width=\"1200\" srcset=\"/assets/responsive/999487f07af5a7367a956f34.webp 800w, /assets/optimized/29876d6cac8c39ce83d7da36.webp 1200w\" sizes=\"(max-width: 800px) 100vw, 1200px\"></figure><section aria-labelledby=\"key-takeaways\" class=\"article-takeaways\"><h2 id=\"key-takeaways\">Key takeaways</h2><ul><li>Historical interpretations of OCD often framed intrusive thoughts and rituals as moral or religious problems.</li><li>Psychiatric and psychological models gradually established OCD as a distinct, treatable mental health condition.</li><li>Structured evidence-based treatment and greater public understanding have expanded care and helped challenge stigma.</li></ul></section><h2 id=\"early-observations-and-misunderstandings\">Early Observations and Misunderstandings</h2><p>Before the establishment of formal mental health systems, behaviors now recognized as OCD were often interpreted through religious or moral lenses. In the 14th century, these symptoms were called scrupulosity, a preoccupation with religious or moral purity. While now considered a subtype of OCD tied to religious guilt, scrupulosity once broadly described obsessive thoughts and compulsive behaviors⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/history-of-ocd#history-ocd\" data-reference-link=\"\" aria-label=\"Reference 1: OCD-UK. (n.d.). The history of OCD. Obsessive-compulsive disorder (OCD)-UK. OCD-UK. Accessed October 10 2026.\" data-reference-number=\"1\">[1]</a></sup>.</p><p>By the 17th century, religious leaders used terms like “religious melancholies” to describe similar symptoms. John Moore, the Bishop of Norwich, told Queen Mary II that some worshippers experienced intrusive \"anti-Christian thoughts\" during prayer, despite trying to resist them. <a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/people\">Mental health professionals</a> now recognize these as classic OCD symptoms⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/history-of-ocd#history-ocd\" data-reference-link=\"\" aria-label=\"Reference 1: OCD-UK. (n.d.). The history of OCD. Obsessive-compulsive disorder (OCD)-UK. OCD-UK. Accessed October 10 2026.\" data-reference-number=\"1\">[1]</a></sup>.</p><p>Though not clinically useful today, these historical labels reveal how OCD behaviors were once viewed by society as spiritual afflictions or moral failures. Understanding these misinterpretations helps explain how OCD was eventually distinguished from superstition and brought into the realm of modern <a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/psychiatry\">psychiatry</a>.</p><p>Pre-psychiatric interpretations include:</p><ul class=\"wp-block-list\">\n<li><strong>Scrupulosity:</strong> A fixation on moral or religious perfection, where people obsessively fear committing sins or doing something wrong.</li>\n<li><strong>Divine Punishment:</strong> The belief that intrusive thoughts or compulsive behaviors were a form of punishment from God for sinful actions or thoughts.</li>\n<li><strong>Religious Melancholy:</strong> A deep spiritual despair marked by intrusive doubts about faith or salvation and often interpreted as a soul crisis. </li>\n</ul><ul class=\"wp-block-list\">\n<li><strong>Moral Weakness:</strong> The view that compulsive behavior stems from a lack of self-control or personal discipline rather than a medical condition.</li>\n<li><strong>Melancholia:</strong> A broad, pre-modern term used to describe mental disturbances like anxiety, sadness, or obsessive behavior, without a specific diagnosis.</li>\n</ul><section aria-label=\"Subject matter expert\" class=\"article-expert article-expert-inline\" data-expert-kind=\"related\" data-expert-layout=\"standard\"><p class=\"article-bio-role\">Subject matter expert</p><div class=\"article-expert-identity\"><a href=\"https://www.mentalhealth.com/people/rychel-johnson\" class=\"card-identity-photo\" aria-label=\"Rychel Johnson, LCPC\"><img alt=\"\" height=\"64\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/optimized/9f1bc9f9a0438af8e19c05bb.jpg\" width=\"64\" decoding=\"async\"></a><h2><a href=\"https://www.mentalhealth.com/people/rychel-johnson\">Rychel Johnson, LCPC</a></h2></div><p class=\"article-expert-focus\">Professional counseling and mental health</p><a href=\"https://www.mentalhealth.com/people/rychel-johnson\" class=\"quiet-button\">View profile</a></section><h2 id=\"obsessive-compulsive-disorder-s-entry-into-psychiatry\">Obsessive Compulsive Disorder's Entry Into Psychiatry</h2><p>In the 19th century, psychiatry began to formally recognize OCD as a mental disorder, moving away from earlier moral or religious interpretations.This shift allowed clinicians to build a more structured and clinical understanding of OCD.</p><p>In 1838, French psychiatrist Jean Esquirol was one of the first to describe OCD-like symptoms within a psychiatric framework. He classified them as a form of monomania. This condition affects a specific area of thought or behavior while leaving the rest of a person's thinking intact. </p><p>Esquirol also introduced the term “obsessions” to describe persistent, unwanted thoughts, marking an essential step in establishing OCD within psychiatric literature⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/history-of-ocd#history-ocd\" data-reference-link=\"\" aria-label=\"Reference 1: OCD-UK. (n.d.). The history of OCD. Obsessive-compulsive disorder (OCD)-UK. OCD-UK. Accessed October 10 2026.\" data-reference-number=\"1\">[1]</a></sup>.</p><p>Later in the century, French psychiatrists expanded on Esquirol’s ideas. By the mid-1800s, there was debate over whether OCD should be seen as “impulsive insanity” or a “disease of the emotions.” Around the same time in Germany, psychiatrist Karl Westphal introduced the term <em>Zwangsvorstellung</em> (compulsive idea), shifting the focus from delusion to problems with cognitive control⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/history-of-ocd#history\" data-reference-link=\"\" aria-label=\"Reference 2: Stanford University School of Medicine. (n.d.). History. Obsessive-Compulsive and Related Disorders. med.stanford.edu. Accessed October 10 2026.\" data-reference-number=\"2\">[2]</a></sup>.</p><p>These developments significantly advanced how obsessive compulsive disorder was understood and classified, laying the foundation for more effective OCD treatment approaches and <a href=\"https://www.mentalhealth.com/library/ocd-symptoms-behaviors\" class=\"article-inline-link\" data-context-link=\"358\">symptom mapping</a>.</p><p>Key moments in OCD’s entry into psychiatry include⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/history-of-ocd#history\" data-reference-link=\"\" aria-label=\"Reference 2: Stanford University School of Medicine. (n.d.). History. Obsessive-Compulsive and Related Disorders. med.stanford.edu. Accessed October 10 2026.\" data-reference-number=\"2\">[2]</a></sup>:</p><ul class=\"wp-block-list\">\n<li><strong>Monomania:</strong> In 1838, Jean Esquirol classified OCD-like symptoms as monomania, disturbances affecting a specific area of thought or behavior.</li>\n</ul><ul class=\"wp-block-list\">\n<li><strong>Obsessions:</strong> Esquirol also introduced the term obsessions to describe persistent, intrusive, and unwanted thoughts in OCD.</li>\n</ul><ul class=\"wp-block-list\">\n<li><strong>Disease of the Emotions:</strong> By the mid-1800s, French psychiatrists debated whether OCD was caused by uncontrollable impulses or emotional disturbances, showing uncertainty about its classification.</li>\n</ul><ul class=\"wp-block-list\">\n<li><strong>Zwangsvorstellung:</strong> In 1877, Karl Westphal coined Zwangsvorstellung (compulsive idea), focusing on impaired cognitive control and internal mental conflict rather than delusions.</li>\n</ul><h2 id=\"how-psychoanalysis-shaped-clinical-views-of-ocd\">How Psychoanalysis Shaped Clinical Views of Obsessive-compulsive disorder (OCD)</h2><p>As <a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/psychology\">psychology</a> evolved, psychoanalytic theory shifted the understanding of OCD from behavior-based labeling to internal psychological dynamics. Sigmund Freud’s work played a key role in moving OCD into psychological territory, focusing on unconscious conflicts rather than external compulsions⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/history-of-ocd#history-ocd\" data-reference-link=\"\" aria-label=\"Reference 1: OCD-UK. (n.d.). The history of OCD. Obsessive-compulsive disorder (OCD)-UK. OCD-UK. Accessed October 10 2026.\" data-reference-number=\"1\">[1]</a></sup>.</p><p>Freud viewed OCD as a conflict between unconscious desires and moral constraints, with compulsions acting as defense mechanisms to manage anxiety⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/history-of-ocd#history-ocd\" data-reference-link=\"\" aria-label=\"Reference 1: OCD-UK. (n.d.). The history of OCD. Obsessive-compulsive disorder (OCD)-UK. OCD-UK. Accessed October 10 2026.\" data-reference-number=\"1\">[1]</a></sup>. He also linked certain OCD traits to unresolved conflicts from the anal stage of psychosexual development, theorizing that fixations during this stage could lead to obsessive traits later in life⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/history-of-ocd#history-ocd\" data-reference-link=\"\" aria-label=\"Reference 1: OCD-UK. (n.d.). The history of OCD. Obsessive-compulsive disorder (OCD)-UK. OCD-UK. Accessed October 10 2026.\" data-reference-number=\"1\">[1]</a></sup>. </p><p>Freud later introduced reaction formation, a <a href=\"https://www.mentalhealth.com/library/defense-mechanisms\" class=\"article-inline-link\" data-context-link=\"359\">defense mechanism</a> where individuals express behaviors opposite to their unconscious fears or desires as a way to manage internal anxiety⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/history-of-ocd#history-ocd\" data-reference-link=\"\" aria-label=\"Reference 1: OCD-UK. (n.d.). The history of OCD. Obsessive-compulsive disorder (OCD)-UK. OCD-UK. Accessed October 10 2026.\" data-reference-number=\"1\">[1]</a></sup>. </p><p>Modern work does not empirically support Freud's model, but his psychoanalytic approach deepened the understanding of OCD and inspired <a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/therapy\">early talk therapy methods</a>.</p><h2 id=\"defining-ocd-in-modern-diagnostics\">Defining Obsessive-compulsive disorder (OCD) in Modern Diagnostics</h2><p>By the 1950s, OCD had gained formal recognition as a distinct mental health disorder. The <a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/dsm-5\"><em>Diagnostic and Statistical Manual of Mental Disorders</em> (DSM)</a> included it as a specific diagnosis, placing it under the broader category of anxiety disorders⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/history-of-ocd#diagnostic-statistical-manual-mental-disorders-5th-ed-text-rev\" data-reference-link=\"\" aria-label=\"Reference 3: American Psychiatric Association. (2022). Diagnostic and statistical manual of mental disorders. (5th ed. text rev.). Diagnostic and statistical manual of mental disorders (5th ed. text rev.).Diagnostic…. PsychiatryOnline. Accessed May 11 2025.\" data-reference-number=\"3\">[3]</a></sup>. Early editions emphasized how compulsions served to reduce the distress caused by obsessive thoughts.</p><p>This classification remained until 2013, when the DSM-5 redefined OCD as part of a new section titled <em>Obsessive-Compulsive and Related Disorders</em>⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/history-of-ocd#obsessive-compulsive-disorder\" data-reference-link=\"\" aria-label=\"Reference 4: Brock, H., Rizvi, A., &amp; Hany, M. (2024). Obsessive-compulsive disorder. StatPearls. National Library of Medicine. National Library of Medicine. Accessed May 11 2025.\" data-reference-number=\"4\">[4]</a></sup>. This shift identified OCD as neurologically distinct from other anxiety disorders, involving different underlying brain mechanisms.</p><p>Beginning in the 1980s, advances in neuroscience and imaging uncovered disruptions in serotonin pathways and dysfunction in specific brain circuits, reinforcing the view of OCD as a neurobiological condition. Alongside these discoveries, clinicians refined their understanding of OCD’s behavioral aspects. </p><p><a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/cognitive-behavioral-therapy\">Cognitive Behavioral Therapy (CBT)</a>, particularly Exposure and Response Prevention (ERP), became a cornerstone of treatment⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/history-of-ocd#obsessive-compulsive-disorder-related-disorders-comprehensive-survey\" data-reference-link=\"\" aria-label=\"Reference 5: Fornaro, M., Gabrielli, F., Albano, C. S., Fornaro, S., Rizzato, S., Mattei, C., Solano, P., Vinciguerra, V., &amp; Fornaro, P. (2009). Obsessive-compulsive disorder and related disorders: A comprehensive survey. Annals of General Psychiatry, 8(1), Article 13. Springer. Accessed October 10 2026.\" data-reference-number=\"5\">[5]</a></sup>. At the same time, selective serotonin reuptake inhibitors (SSRIs), developed in the 1980s and 1990s, provided a reliable pharmacological option for managing symptoms, especially when therapy alone was not enough⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/history-of-ocd#obsessive-compulsive-disorder-related-disorders-comprehensive-survey\" data-reference-link=\"\" aria-label=\"Reference 5: Fornaro, M., Gabrielli, F., Albano, C. S., Fornaro, S., Rizzato, S., Mattei, C., Solano, P., Vinciguerra, V., &amp; Fornaro, P. (2009). Obsessive-compulsive disorder and related disorders: A comprehensive survey. Annals of General Psychiatry, 8(1), Article 13. Springer. Accessed October 10 2026.\" data-reference-number=\"5\">[5]</a></sup>. </p><p>Current clinical guidance describes OCD as a condition involving obsessions, compulsions, or both. Effective treatments include CBT with <a href=\"https://www.mentalhealth.com/library/erp-therapy-for-ocd\" class=\"article-inline-link\" data-context-link=\"358\">exposure and response prevention</a> and medication, reflecting a more specific approach than treating unwanted thoughts as a failure of character or willpower⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/history-of-ocd#obsessive-compulsive-disorder-conceptual-history-france-during-19th-century\" data-reference-link=\"\" aria-label=\"Reference 6: National Institute of Mental Health. (2023). Obsessive-Compulsive Disorder: When Unwanted Thoughts or Repetitive Behaviors Take Over. National Institutes of Health. National Institute of Mental Health. Accessed October 10 2026.\" data-reference-number=\"6\">[6]</a></sup>.</p><h2 id=\"treatment-evolution-and-current-standards\">Treatment Evolution and Current Standards</h2><p>Early OCD treatments, primarily relying on traditional <a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/psychotherapy\">talk therapy</a>, were often ineffective due to the lack of structured methods to address the persistent nature of obsessive-compulsive symptoms. As a result, many individuals found little lasting relief. </p><p>A breakthrough came with the development of Cognitive Behavioral Therapy (CBT), specifically in the form of Exposure and Response Prevention (ERP)⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/history-of-ocd#obsessive-compulsive-disorder-related-disorders-comprehensive-survey\" data-reference-link=\"\" aria-label=\"Reference 5: Fornaro, M., Gabrielli, F., Albano, C. S., Fornaro, S., Rizzato, S., Mattei, C., Solano, P., Vinciguerra, V., &amp; Fornaro, P. (2009). Obsessive-compulsive disorder and related disorders: A comprehensive survey. Annals of General Psychiatry, 8(1), Article 13. Springer. Accessed October 10 2026.\" data-reference-number=\"5\">[5]</a></sup>. ERP helps individuals gradually face triggers while resisting compulsive behaviors, reducing anxiety, and weakening the cycle of obsessions and compulsions especially in combination with SSRIs.</p><p>Today, the most effective treatment approach combines ERP with SSRIs, with additional therapies like mindfulness, neuromodulation, and peer support often included to improve outcomes and support long-term management of OCD⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/history-of-ocd#obsessive-compulsive-disorder-related-disorders-comprehensive-survey\" data-reference-link=\"\" aria-label=\"Reference 5: Fornaro, M., Gabrielli, F., Albano, C. S., Fornaro, S., Rizzato, S., Mattei, C., Solano, P., Vinciguerra, V., &amp; Fornaro, P. (2009). Obsessive-compulsive disorder and related disorders: A comprehensive survey. Annals of General Psychiatry, 8(1), Article 13. Springer. Accessed October 10 2026.\" data-reference-number=\"5\">[5]</a></sup>. </p><p>Key advancements in OCD treatment include: </p><ul class=\"wp-block-list\">\n<li><strong>Talk Therapy:</strong> Early OCD treatments focused on talk therapy, which had limited success due to a lack of structured methods.</li>\n</ul><ul class=\"wp-block-list\">\n<li><strong>Cognitive Behavioral Therapy (CBT):</strong> CBT, particularly Exposure and Response Prevention (ERP), became a breakthrough by exposing individuals to triggers and helping them resist compulsions, reducing anxiety⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/history-of-ocd#obsessive-compulsive-disorder-related-disorders-comprehensive-survey\" data-reference-link=\"\" aria-label=\"Reference 5: Fornaro, M., Gabrielli, F., Albano, C. S., Fornaro, S., Rizzato, S., Mattei, C., Solano, P., Vinciguerra, V., &amp; Fornaro, P. (2009). Obsessive-compulsive disorder and related disorders: A comprehensive survey. Annals of General Psychiatry, 8(1), Article 13. Springer. Accessed October 10 2026.\" data-reference-number=\"5\">[5]</a></sup>.</li>\n</ul><ul class=\"wp-block-list\">\n<li><strong>Selective Serotonin Reuptake Inhibitors (SSRIs):</strong> SSRIs, introduced in the 1980s and 1990s, target serotonin imbalances and provide relief, especially when therapy alone is insufficient.</li>\n</ul><ul class=\"wp-block-list\">\n<li><strong>Modern Integrative Care: </strong>Today, the most effective approach combines ERP with SSRIs, often adding mindfulness, neuromodulation, and peer support for improved long-term outcomes.</li>\n</ul><p>These advances have reduced the <a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/living-with-ocd\">impact of OCD on daily life</a>, while providing greater hope and improved quality of life for those affected.</p><h2 id=\"moving-forward-with-compassion-and-clarity\">Moving Forward with Compassion and Clarity</h2><p>OCD’s history mirrors the broader shift in <a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/mental-health\">mental health</a>, from early misunderstanding and moral judgment to structured, evidence-based treatment. Public awareness has helped reduce stigma, and improved care has led to better treatment outcomes.</p><p>Understanding OCD as a chronic but manageable condition has encouraged more people to seek help and engage in long-term recovery. Today, with a combination of effective therapies and <a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/access\">improved access to care</a>, individuals living with OCD have more tools and support than ever before.</p><p>Public education continues to play a crucial role in reducing stigma and increasing understanding. Ongoing progress in research, treatment access, and awareness efforts are essential for supporting those affected by OCD.</p><p>Individuals who suspect they or a loved one may be struggling with OCD should consult a medical professional. Early evaluation and diagnosis can lead to more effective, personalized treatment plans.</p><h2 id=\"reflecting-on-the-journey-of-understanding-ocd\">Reflecting on the Journey of Understanding Obsessive-compulsive disorder (OCD)</h2><p>Obsessive-compulsive disorder has evolved from a misunderstood condition linked to moral or religious beliefs into a well-recognized and treatable mental health disorder. This shift reflects broader changes in the mental health field, where evidence-based care has improved the way these conditions are understood and managed.</p><p>Today, OCD is classified as its own category in the DSM, recognizing the differences from other anxiety disorders. Evidence-based therapy, medications, and in some cases, holistic approaches to treatment offer effective ways to manage symptoms and support <a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/recovery\">long-term recovery</a>.</p><p>While significant progress has been made, stigma still lingers. Continued education, awareness, and access to care remain essential to helping individuals with OCD manage their condition and lead meaningful lives.</p></article><div class=\"article-endmatter\"><section class=\"article-sources\" data-reference-list=\"\" data-reference-style=\"author-date-title-source\" data-source-references=\"\" id=\"references\"><h2 id=\"references-2\">References</h2><ol><li id=\"history-ocd\" value=\"1\" data-reference-number=\"1\" data-reference-format=\"393\">OCD-UK. (n.d.). <em class=\"reference-title\">The history of OCD.</em> Obsessive-compulsive disorder (OCD)-UK. <a href=\"https://www.ocduk.org/ocd/history-of-ocd/?utm_medium=referral&amp;utm_campaign=libra&amp;utm_content=external_resource&amp;utm_id=site-library-history-of-ocd&amp;utm_source=mentalhealth.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"reference-source\">OCD-UK</a>. Accessed October 10 2026.</li><li id=\"history\" value=\"2\" data-reference-number=\"2\" data-reference-format=\"393\">Stanford University School of Medicine. (n.d.). <em class=\"reference-title\">History.</em> Obsessive-Compulsive and Related Disorders. <a href=\"https://med.stanford.edu/ocd/treatment/history.html?utm_medium=referral&amp;utm_campaign=libra&amp;utm_content=external_resource&amp;utm_id=site-library-history-of-ocd&amp;utm_source=mentalhealth.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"reference-source\">med.stanford.edu</a>. Accessed October 10 2026.</li><li id=\"diagnostic-statistical-manual-mental-disorders-5th-ed-text-rev\" value=\"3\" data-reference-number=\"3\" data-reference-format=\"393\">American Psychiatric Association. (2022). <em class=\"reference-title\">Diagnostic and statistical manual of mental disorders.</em> (5th ed. text rev.). Diagnostic and statistical manual of mental disorders (5th ed. text rev.).Diagnostic…. <a href=\"https://psychiatryonline.org/doi/book/10.1176/appi.books.9780890425787?utm_medium=referral&amp;utm_campaign=libra&amp;utm_content=external_resource&amp;utm_id=site-library-history-of-ocd&amp;utm_source=mentalhealth.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"reference-source\">PsychiatryOnline</a>. Accessed May 11 2025.</li><li id=\"obsessive-compulsive-disorder\" value=\"4\" data-reference-number=\"4\" data-reference-format=\"393\">Brock, H., Rizvi, A., &amp; Hany, M. (2024). <em class=\"reference-title\">Obsessive-compulsive disorder.</em> StatPearls. National Library of Medicine. <a href=\"https://www.ncbi.nlm.nih.gov/books/NBK553162/?utm_medium=referral&amp;utm_campaign=libra&amp;utm_content=external_resource&amp;utm_id=site-library-history-of-ocd&amp;utm_source=mentalhealth.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"reference-source\">National Library of Medicine</a>. Accessed May 11 2025.</li><li id=\"obsessive-compulsive-disorder-related-disorders-comprehensive-survey\" value=\"5\" data-reference-number=\"5\" data-reference-format=\"393\">Fornaro, M., Gabrielli, F., Albano, C. S., Fornaro, S., Rizzato, S., Mattei, C., Solano, P., Vinciguerra, V., &amp; Fornaro, P. (2009). <em class=\"reference-title\">Obsessive-compulsive disorder and related disorders: A comprehensive survey.</em> Annals of General Psychiatry, 8(1), Article 13. <a href=\"https://link.springer.com/article/10.1186/1744-859X-8-13?utm_medium=referral&amp;utm_campaign=libra&amp;utm_content=external_resource&amp;utm_id=site-library-history-of-ocd&amp;utm_source=mentalhealth.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"reference-source\">Springer</a>. Accessed October 10 2026.</li><li id=\"obsessive-compulsive-disorder-conceptual-history-france-during-19th-century\" value=\"6\" data-reference-number=\"6\" data-reference-format=\"393\">National Institute of Mental Health. (2023). <em class=\"reference-title\">Obsessive-Compulsive Disorder: When Unwanted Thoughts or Repetitive Behaviors Take Over.</em> National Institutes of Health. <a href=\"https://www.nimh.nih.gov/health/publications/obsessive-compulsive-disorder-when-unwanted-thoughts-or-repetitive-behaviors-take-over?utm_medium=referral&amp;utm_campaign=libra&amp;utm_content=external_resource&amp;utm_id=site-library-history-of-ocd&amp;utm_source=mentalhealth.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"reference-source\">National Institute of Mental Health</a>. Accessed October 10 2026.</li></ol></section><section class=\"article-medical article-panel\"><h2 id=\"medical-content\">Medical Content</h2><p><a href=\"https://www.mentalhealth.com/clinical-affairs\">The Clinical Affairs Team</a> at MentalHealth.com is a dedicated group of medical professionals with diverse and extensive clinical experience. They actively contribute to the development of content, products, and services, and meticulously review all medical material before publication to ensure accuracy and alignment with current research and conversations in mental health. For more information, please visit the <a href=\"https://www.mentalhealth.com/publishing/editorial-policy\">Editorial Policy</a>.</p></section><section class=\"article-about article-panel\"><h2 id=\"about-mentalhealth-com\">About MentalHealth.com</h2><p>MentalHealth.com helps people understand themselves, build healthier relationships, and access the right care. We bring together mental health education, diagnostics, and care management to support well-being throughout every phase of life.</p><div class=\"article-contributors\"><section class=\"article-bio\"><a href=\"https://www.mentalhealth.com/people/megan-eileen-mcdonough\" class=\"card-identity-photo\" aria-label=\"Megan Eileen McDonough, B.Sc.\"><img alt=\"\" height=\"64\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/optimized/7297fbed04df9652a253fa2d.jpg\" width=\"64\" decoding=\"async\"></a><div><p class=\"article-bio-role\">Author</p><h3 id=\"megan-eileen-mcdonough\"><a href=\"https://www.mentalhealth.com/people/megan-eileen-mcdonough\">Megan Eileen McDonough, B.Sc.</a></h3><p class=\"article-bio-credentials\">BSc, BA</p><p>Megan Eileen McDonough is a health and wellness writer with 10+ years of experience in mental health, women’s health, postpartum care, and adolescent health. </p><dl><div><dt>Published</dt><dd><time datetime=\"2025-05-23T10:48:53Z\">May 23, 2025</time></dd></div><div><dt>Updated</dt><dd><time datetime=\"2026-05-12T12:28:41Z\">May 12, 2026</time></dd></div></dl></div></section><section class=\"article-bio\"><a href=\"https://www.mentalhealth.com/people/janet-singer\" class=\"card-identity-photo\" aria-label=\"Janet Singer\"><img alt=\"\" height=\"64\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/optimized/35d59b0d6a28d23fb9c2a239.jpg\" width=\"64\" decoding=\"async\"></a><div><p class=\"article-bio-role\">Co-author</p><h3 id=\"janet-singer\"><a href=\"https://www.mentalhealth.com/people/janet-singer\">Janet Singer</a></h3><p class=\"article-bio-credentials\">Writer</p><p>Janet Singer is a blog writer, writing about obsessive-compulsive disorder, particularly from her experience as a mother with a son affected by this condition.</p><dl><div><dt>Published</dt><dd><time datetime=\"2025-05-23T10:48:53Z\">May 23, 2025</time></dd></div><div><dt>Updated</dt><dd><time datetime=\"2026-05-12T12:28:41Z\">May 12, 2026</time></dd></div></dl></div></section><section class=\"article-bio\"><a href=\"https://www.mentalhealth.com/people/shivani-kharod\" class=\"card-identity-photo\" aria-label=\"Shivani Kharod, Ph.D.\"><img alt=\"\" height=\"64\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/optimized/d298e1ab0221c766e22a9fce.jpg\" width=\"64\" decoding=\"async\"></a><div><p class=\"article-bio-role\">Medical Reviewer</p><h3 id=\"shivani-kharod-ph-d\"><a href=\"https://www.mentalhealth.com/people/shivani-kharod\">Shivani Kharod, Ph.D.</a></h3><p class=\"article-bio-credentials\">Ph.D.</p><p>Shivani Kharod, Ph.D. is a medical reviewer with over 10 years of experience in delivering scientifically accurate health content.</p><dl><div><dt>Reviewed</dt><dd><time datetime=\"2025-05-23\">May 23, 2025</time></dd></div></dl></div></section></div></section><section aria-label=\"Related community\" class=\"article-topic-community article-topic-community-end\"><a href=\"https://www.mentalhealth.com/community/obsessive-compulsive-disorder\" class=\"card-identity-photo\" aria-label=\"Obsessive-Compulsive Disorder\"><img alt=\"\" class=\"topic-community-banner\" height=\"1536\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/optimized/2f9e9d1a0710aab4fb0058aa.webp\" width=\"1024\" decoding=\"async\"></a><p class=\"topic-community-label\">Related community</p><h2><a href=\"https://www.mentalhealth.com/community/obsessive-compulsive-disorder\">Obsessive-Compulsive Disorder</a></h2><p>Connect around experiences with OCD, uncertainty, and everyday life.</p></section></div></div><aside aria-label=\"Article navigation and related information\" class=\"article-sidebar\" data-bounded-rail=\"\" tabindex=\"0\"><details class=\"article-contents\" data-expanded=\"false\" data-scrolled-past=\"false\" data-section-preview=\"3\" open=\"\"><summary><strong>Table of contents</strong><span aria-hidden=\"true\"></span><small data-current-section=\"\">Choose a section</small></summary><nav aria-label=\"Article contents\"><ol id=\"article-section-list\"><li><a href=\"https://www.mentalhealth.com/library/history-of-ocd#early-observations-and-misunderstandings\" aria-label=\"Early Observations and Misunderstandings\" title=\"Early Observations and Misunderstandings\">Early Observations and Misunderstandings</a></li><li><a href=\"https://www.mentalhealth.com/library/history-of-ocd#obsessive-compulsive-disorder-s-entry-into-psychiatry\" aria-label=\"Obsessive Compulsive Disorder's Entry Into Psychiatry\" title=\"Obsessive Compulsive Disorder's Entry Into Psychiatry\">Obsessive Compulsive Disorder's Entry Into Psychiatry</a></li><li><a href=\"https://www.mentalhealth.com/library/history-of-ocd#how-psychoanalysis-shaped-clinical-views-of-ocd\" aria-label=\"How Psychoanalysis Shaped Clinical Views of Obsessive-compulsive disorder (OCD)\" title=\"How Psychoanalysis Shaped Clinical Views of Obsessive-compulsive disorder (OCD)\">How Psychoanalysis Shaped Clinical Views of Obsessive-compulsive disorder (OCD)</a></li><li><a href=\"https://www.mentalhealth.com/library/history-of-ocd#defining-ocd-in-modern-diagnostics\" aria-label=\"Defining Obsessive-compulsive disorder (OCD) in Modern Diagnostics\" title=\"Defining Obsessive-compulsive disorder (OCD) in Modern Diagnostics\">Defining Obsessive-compulsive disorder (OCD) in Modern Diagnostics</a></li><li><a href=\"https://www.mentalhealth.com/library/history-of-ocd#treatment-evolution-and-current-standards\" aria-label=\"Treatment Evolution and Current Standards\" title=\"Treatment Evolution and Current Standards\">Treatment Evolution and Current Standards</a></li><li><a href=\"https://www.mentalhealth.com/library/history-of-ocd#moving-forward-with-compassion-and-clarity\" aria-label=\"Moving Forward with Compassion and Clarity\" title=\"Moving Forward with Compassion and Clarity\">Moving Forward with Compassion and Clarity</a></li><li><a href=\"https://www.mentalhealth.com/library/history-of-ocd#reflecting-on-the-journey-of-understanding-ocd\" aria-label=\"Reflecting on the Journey of Understanding Obsessive-compulsive disorder (OCD)\" title=\"Reflecting on the Journey of Understanding Obsessive-compulsive disorder (OCD)\">Reflecting on the Journey of Understanding Obsessive-compulsive disorder (OCD)</a></li></ol><button aria-controls=\"article-section-list\" aria-expanded=\"false\" class=\"article-sections-toggle\" data-sections-toggle=\"\" type=\"button\">View more</button></nav></details></aside></div></div></div>","text":"Home Library Obsessive-Compulsive Disorder The History of Obsessive Compulsive Disorder The History of Obsessive Compulsive Disorder Medically reviewed by Shivani Kharod, Ph.D. – Written by Megan Eileen McDonough and Janet Singer Published on May 23, 2025 · Updated on May 12, 2026 Obsessive-compulsive disorder (OCD) is a mental health condition marked by intrusive, unwanted thoughts (obsessions) and repetitive behaviors (compulsions) performed to ease anxiety or prevent perceived harm. These patterns can cause significant distress and disrupt daily life. However, many people hide or downplay these patterns due to shame or stigma. Though OCD was once seen through a lens of morality, superstition, or religion, it is now recognized by the public as a legitimate and treatable mental disorder within modern clinical practice. Key takeaways Historical interpretations of OCD often framed intrusive thoughts and rituals as moral or religious problems. Psychiatric and psychological models gradually established OCD as a distinct, treatable mental health condition. Structured evidence-based treatment and greater public understanding have expanded care and helped challenge stigma. Early Observations and Misunderstandings Before the establishment of formal mental health systems, behaviors now recognized as OCD were often interpreted through religious or moral lenses. In the 14th century, these symptoms were called scrupulosity, a preoccupation with religious or moral purity. While now considered a subtype of OCD tied to religious guilt, scrupulosity once broadly described obsessive thoughts and compulsive behaviors⁠[1]. By the 17th century, religious leaders used terms like “religious melancholies” to describe similar symptoms. John Moore, the Bishop of Norwich, told Queen Mary II that some worshippers experienced intrusive \"anti-Christian thoughts\" during prayer, despite trying to resist them. Mental health professionals now recognize these as classic OCD symptoms⁠[1]. Though not clinically useful today, these historical labels reveal how OCD behaviors were once viewed by society as spiritual afflictions or moral failures. Understanding these misinterpretations helps explain how OCD was eventually distinguished from superstition and brought into the realm of modern psychiatry. Pre-psychiatric interpretations include: Scrupulosity: A fixation on moral or religious perfection, where people obsessively fear committing sins or doing something wrong. Divine Punishment: The belief that intrusive thoughts or compulsive behaviors were a form of punishment from God for sinful actions or thoughts. Religious Melancholy: A deep spiritual despair marked by intrusive doubts about faith or salvation and often interpreted as a soul crisis. Moral Weakness: The view that compulsive behavior stems from a lack of self-control or personal discipline rather than a medical condition. Melancholia: A broad, pre-modern term used to describe mental disturbances like anxiety, sadness, or obsessive behavior, without a specific diagnosis. Subject matter expert Rychel Johnson, LCPC Professional counseling and mental health View profile Obsessive Compulsive Disorder's Entry Into Psychiatry In the 19th century, psychiatry began to formally recognize OCD as a mental disorder, moving away from earlier moral or religious interpretations.This shift allowed clinicians to build a more structured and clinical understanding of OCD. In 1838, French psychiatrist Jean Esquirol was one of the first to describe OCD-like symptoms within a psychiatric framework. He classified them as a form of monomania. This condition affects a specific area of thought or behavior while leaving the rest of a person's thinking intact. Esquirol also introduced the term “obsessions” to describe persistent, unwanted thoughts, marking an essential step in establishing OCD within psychiatric literature⁠[1]. Later in the century, French psychiatrists expanded on Esquirol’s ideas. By the mid-1800s, there was debate over whether OCD should be seen as “impulsive insanity” or a “disease of the emotions.” Around the same time in Germany, psychiatrist Karl Westphal introduced the term Zwangsvorstellung (compulsive idea), shifting the focus from delusion to problems with cognitive control⁠[2]. These developments significantly advanced how obsessive compulsive disorder was understood and classified, laying the foundation for more effective OCD treatment approaches and symptom mapping. Key moments in OCD’s entry into psychiatry include⁠[2]: Monomania: In 1838, Jean Esquirol classified OCD-like symptoms as monomania, disturbances affecting a specific area of thought or behavior. Obsessions: Esquirol also introduced the term obsessions to describe persistent, intrusive, and unwanted thoughts in OCD. Disease of the Emotions: By the mid-1800s, French psychiatrists debated whether OCD was caused by uncontrollable impulses or emotional disturbances, showing uncertainty about its classification. Zwangsvorstellung: In 1877, Karl Westphal coined Zwangsvorstellung (compulsive idea), focusing on impaired cognitive control and internal mental conflict rather than delusions. How Psychoanalysis Shaped Clinical Views of Obsessive-compulsive disorder (OCD) As psychology evolved, psychoanalytic theory shifted the understanding of OCD from behavior-based labeling to internal psychological dynamics. Sigmund Freud’s work played a key role in moving OCD into psychological territory, focusing on unconscious conflicts rather than external compulsions⁠[1]. Freud viewed OCD as a conflict between unconscious desires and moral constraints, with compulsions acting as defense mechanisms to manage anxiety⁠[1]. He also linked certain OCD traits to unresolved conflicts from the anal stage of psychosexual development, theorizing that fixations during this stage could lead to obsessive traits later in life⁠[1]. Freud later introduced reaction formation, a defense mechanism where individuals express behaviors opposite to their unconscious fears or desires as a way to manage internal anxiety⁠[1]. Modern work does not empirically support Freud's model, but his psychoanalytic approach deepened the understanding of OCD and inspired early talk therapy methods. Defining Obsessive-compulsive disorder (OCD) in Modern Diagnostics By the 1950s, OCD had gained formal recognition as a distinct mental health disorder. The Diagnostic and Statistical Manual of Mental Disorders (DSM) included it as a specific diagnosis, placing it under the broader category of anxiety disorders⁠[3]. Early editions emphasized how compulsions served to reduce the distress caused by obsessive thoughts. This classification remained until 2013, when the DSM-5 redefined OCD as part of a new section titled Obsessive-Compulsive and Related Disorders⁠[4]. This shift identified OCD as neurologically distinct from other anxiety disorders, involving different underlying brain mechanisms. Beginning in the 1980s, advances in neuroscience and imaging uncovered disruptions in serotonin pathways and dysfunction in specific brain circuits, reinforcing the view of OCD as a neurobiological condition. Alongside these discoveries, clinicians refined their understanding of OCD’s behavioral aspects. Cognitive Behavioral Therapy (CBT), particularly Exposure and Response Prevention (ERP), became a cornerstone of treatment⁠[5]. At the same time, selective serotonin reuptake inhibitors (SSRIs), developed in the 1980s and 1990s, provided a reliable pharmacological option for managing symptoms, especially when therapy alone was not enough⁠[5]. Current clinical guidance describes OCD as a condition involving obsessions, compulsions, or both. Effective treatments include CBT with exposure and response prevention and medication, reflecting a more specific approach than treating unwanted thoughts as a failure of character or willpower⁠[6]. Treatment Evolution and Current Standards Early OCD treatments, primarily relying on traditional talk therapy, were often ineffective due to the lack of structured methods to address the persistent nature of obsessive-compulsive symptoms. As a result, many individuals found little lasting relief. A breakthrough came with the development of Cognitive Behavioral Therapy (CBT), specifically in the form of Exposure and Response Prevention (ERP)⁠[5]. ERP helps individuals gradually face triggers while resisting compulsive behaviors, reducing anxiety, and weakening the cycle of obsessions and compulsions especially in combination with SSRIs. Today, the most effective treatment approach combines ERP with SSRIs, with additional therapies like mindfulness, neuromodulation, and peer support often included to improve outcomes and support long-term management of OCD⁠[5]. Key advancements in OCD treatment include: Talk Therapy: Early OCD treatments focused on talk therapy, which had limited success due to a lack of structured methods. Cognitive Behavioral Therapy (CBT): CBT, particularly Exposure and Response Prevention (ERP), became a breakthrough by exposing individuals to triggers and helping them resist compulsions, reducing anxiety⁠[5]. Selective Serotonin Reuptake Inhibitors (SSRIs): SSRIs, introduced in the 1980s and 1990s, target serotonin imbalances and provide relief, especially when therapy alone is insufficient. Modern Integrative Care: Today, the most effective approach combines ERP with SSRIs, often adding mindfulness, neuromodulation, and peer support for improved long-term outcomes. These advances have reduced the impact of OCD on daily life, while providing greater hope and improved quality of life for those affected. Moving Forward with Compassion and Clarity OCD’s history mirrors the broader shift in mental health, from early misunderstanding and moral judgment to structured, evidence-based treatment. Public awareness has helped reduce stigma, and improved care has led to better treatment outcomes. Understanding OCD as a chronic but manageable condition has encouraged more people to seek help and engage in long-term recovery. Today, with a combination of effective therapies and improved access to care, individuals living with OCD have more tools and support than ever before. Public education continues to play a crucial role in reducing stigma and increasing understanding. Ongoing progress in research, treatment access, and awareness efforts are essential for supporting those affected by OCD. Individuals who suspect they or a loved one may be struggling with OCD should consult a medical professional. Early evaluation and diagnosis can lead to more effective, personalized treatment plans. Reflecting on the Journey of Understanding Obsessive-compulsive disorder (OCD) Obsessive-compulsive disorder has evolved from a misunderstood condition linked to moral or religious beliefs into a well-recognized and treatable mental health disorder. This shift reflects broader changes in the mental health field, where evidence-based care has improved the way these conditions are understood and managed. Today, OCD is classified as its own category in the DSM, recognizing the differences from other anxiety disorders. Evidence-based therapy, medications, and in some cases, holistic approaches to treatment offer effective ways to manage symptoms and support long-term recovery. While significant progress has been made, stigma still lingers. Continued education, awareness, and access to care remain essential to helping individuals with OCD manage their condition and lead meaningful lives. References OCD-UK. (n.d.). The history of OCD. Obsessive-compulsive disorder (OCD)-UK. OCD-UK. Accessed October 10 2026. Stanford University School of Medicine. (n.d.). History. Obsessive-Compulsive and Related Disorders. med.stanford.edu. Accessed October 10 2026. American Psychiatric Association. (2022). Diagnostic and statistical manual of mental disorders. (5th ed. text rev.). Diagnostic and statistical manual of mental disorders (5th ed. text rev.).Diagnostic…. PsychiatryOnline. Accessed May 11 2025. Brock, H., Rizvi, A., & Hany, M. (2024). Obsessive-compulsive disorder. StatPearls. National Library of Medicine. National Library of Medicine. Accessed May 11 2025. Fornaro, M., Gabrielli, F., Albano, C. S., Fornaro, S., Rizzato, S., Mattei, C., Solano, P., Vinciguerra, V., & Fornaro, P. (2009). Obsessive-compulsive disorder and related disorders: A comprehensive survey. Annals of General Psychiatry, 8(1), Article 13. Springer. Accessed October 10 2026. National Institute of Mental Health. (2023). Obsessive-Compulsive Disorder: When Unwanted Thoughts or Repetitive Behaviors Take Over. National Institutes of Health. National Institute of Mental Health. Accessed October 10 2026. Medical Content The Clinical Affairs Team at MentalHealth.com is a dedicated group of medical professionals with diverse and extensive clinical experience. They actively contribute to the development of content, products, and services, and meticulously review all medical material before publication to ensure accuracy and alignment with current research and conversations in mental health. For more information, please visit the Editorial Policy. About MentalHealth.com MentalHealth.com helps people understand themselves, build healthier relationships, and access the right care. We bring together mental health education, diagnostics, and care management to support well-being throughout every phase of life. Author Megan Eileen McDonough, B.Sc. BSc, BA Megan Eileen McDonough is a health and wellness writer with 10+ years of experience in mental health, women’s health, postpartum care, and adolescent health. Published May 23, 2025 Updated May 12, 2026 Co-author Janet Singer Writer Janet Singer is a blog writer, writing about obsessive-compulsive disorder, particularly from her experience as a mother with a son affected by this condition. Published May 23, 2025 Updated May 12, 2026 Medical Reviewer Shivani Kharod, Ph.D. Ph.D. Shivani Kharod, Ph.D. is a medical reviewer with over 10 years of experience in delivering scientifically accurate health content. Reviewed May 23, 2025 Related community Obsessive-Compulsive Disorder Connect around experiences with OCD, uncertainty, and everyday life. Table of contentsChoose a section Early Observations and Misunderstandings Obsessive Compulsive Disorder's Entry Into Psychiatry How Psychoanalysis Shaped Clinical Views of Obsessive-compulsive disorder (OCD) Defining Obsessive-compulsive disorder (OCD) in Modern Diagnostics Treatment Evolution and Current Standards Moving Forward with Compassion and Clarity Reflecting on the Journey of Understanding Obsessive-compulsive disorder (OCD) View more","wordCount":2009},"schema":{"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://www.mentalhealth.com/#organization","name":"MentalHealth.com","url":"https://www.mentalhealth.com/","publishingPrinciples":"https://www.mentalhealth.com/publishing/editorial-policy"},{"@type":"WebSite","@id":"https://www.mentalhealth.com/#website","url":"https://www.mentalhealth.com/","name":"MentalHealth.com","inLanguage":"en-US","publisher":{"@id":"https://www.mentalhealth.com/#organization"}},{"@type":"BreadcrumbList","@id":"https://www.mentalhealth.com/library/history-of-ocd#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://www.mentalhealth.com/"},{"@type":"ListItem","position":2,"name":"Library","item":"https://www.mentalhealth.com/library"},{"@type":"ListItem","position":3,"name":"Obsessive-Compulsive Disorder","item":"https://www.mentalhealth.com/library/obsessive-compulsive-disorder"},{"@type":"ListItem","position":4,"name":"The History of Obsessive Compulsive Disorder","item":"https://www.mentalhealth.com/library/history-of-ocd"}]},{"@type":"ImageObject","@id":"https://www.mentalhealth.com/library/history-of-ocd#primaryimage","url":"https://www.mentalhealth.com/assets/optimized/29876d6cac8c39ce83d7da36.webp","contentUrl":"https://www.mentalhealth.com/assets/optimized/29876d6cac8c39ce83d7da36.webp","width":1200,"height":633,"encodingFormat":"image/webp","caption":"A person in a rust-colored sweater sits with hands clasped in their lap."},{"@type":"Person","@id":"https://www.mentalhealth.com/people/megan-eileen-mcdonough#person","name":"Megan Eileen McDonough","url":"https://www.mentalhealth.com/people/megan-eileen-mcdonough","jobTitle":"BSc, BA","image":"https://www.mentalhealth.com/assets/optimized/7297fbed04df9652a253fa2d.jpg","sameAs":["https://www.linkedin.com/in/meganeileen/"],"memberOf":[{"@id":"https://www.mentalhealth.com/publishing#department"}]},{"@type":"Person","@id":"https://www.mentalhealth.com/people/janet-singer#person","name":"Janet Singer","url":"https://www.mentalhealth.com/people/janet-singer","jobTitle":"Writer","image":"https://www.mentalhealth.com/assets/optimized/35d59b0d6a28d23fb9c2a239.jpg","sameAs":["https://www.linkedin.com/in/janet-singer-05b5666a/"],"memberOf":[{"@id":"https://www.mentalhealth.com/publishing#department"}]},{"@type":"Person","@id":"https://www.mentalhealth.com/people/shivani-kharod#person","name":"Shivani Kharod, Ph.D.","url":"https://www.mentalhealth.com/people/shivani-kharod","jobTitle":"Ph.D.","image":"https://www.mentalhealth.com/assets/optimized/d298e1ab0221c766e22a9fce.jpg","sameAs":["https://www.linkedin.com/in/shivanikharod"],"memberOf":[{"@id":"https://www.mentalhealth.com/clinical-affairs#department"}]},{"@type":"Article","@id":"https://www.mentalhealth.com/library/history-of-ocd#article","url":"https://www.mentalhealth.com/library/history-of-ocd","headline":"The History of Obsessive Compulsive Disorder","description":"Uncover the origins of obsessive-compulsive disorder and trace how its understanding and treatment have evolved over time.","wordCount":1545,"mainEntityOfPage":{"@id":"https://www.mentalhealth.com/library/history-of-ocd#webpage"},"publisher":{"@id":"https://www.mentalhealth.com/#organization"},"articleSection":"Obsessive-Compulsive Disorder","citation":[{"@type":"CreativeWork","name":"OCD-UK. 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