Obsessive-Compulsive Disorder

  • Aug 8th 2025
  • Est. 10 minutes read

For those living with obsessive-compulsive disorder (OCD), life can feel like a relentless tug-of-war. Intrusive thoughts arrive uninvited, and unwanted ritual behaviors are needed to cope. But OCD is not a flaw nor a weakness. Instead, it’s a mental health condition involving obsessions and compulsions that can be managed. With informed treatment and support, many people find meaningful relief and a stronger sense of control in their lives.

What is OCD?

OCD is defined by persistent, unwanted thoughts (i.e., obsessions) and repetitive behaviors or mental rituals (i.e., compulsions). Although people with OCD often recognize their thoughts as irrational or exaggerated, that awareness rarely offers relief. Obsessions trigger discomfort, and compulsions are carried out in an attempt to reduce the anxiety or prevent something bad from happening. Over time, this cycle can become deeply ingrained and difficult to interrupt without support [1].

While symptoms vary widely, they’re often time-consuming and distressing, and they can significantly interfere with daily routines, relationships, and emotional well-being. Thus, rather than reflecting a quirky habit or a preference for orderliness, OCD involves a pattern of thoughts and behaviors that can cause ongoing psychological distress and functional impairment. Fortunately, there are effective treatment options to disrupt these patterns [1].

This treatment, then, typically begins with a diagnosis based on specific criteria outlined in the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR). While OCD is a distinct disorder within the DSM-5-TR, it also falls within a group of conditions called obsessive-compulsive and related disorders. Other conditions in this category include body dysmorphic disorder (BDD), hoarding disorder, trichotillomania (hair-pulling disorder), excoriation (skin-picking disorder), and more [2]. Understanding OCD within this broader diagnostic group helps clarify its patterns, differentiate it from similar conditions, and guide effective treatment planning. 

Obsessive OCD Symptoms

Obsessions in OCD are not simply worries or everyday concerns. Instead, they are intrusive, unwanted thoughts, images, or urges that repeatedly enter the mind and cause significant anxiety. These thoughts are often disturbing or irrational, and trying to ignore or suppress them usually only increases distress. In response, a person may engage in compulsive behaviors in an attempt to neutralize the discomfort or prevent imagined harm [3].

Common obsessive symptoms of OCD can include [3] [4]:

  • Fear of contamination from germs, chemicals, or bodily fluids
  • Intense concern with order, symmetry, or exactness
  • Thoughts about harming oneself or others, even without intention
  • Intrusive sexual, religious, or violent thoughts or mental images
  • Excessive doubt and a constant need for reassurance
  • Preoccupation with illness or physical symptoms
  • Fear of losing control or acting inappropriately
  • Distressing thoughts about things being “not quite right”

While many people experience intrusive thoughts from time to time, those with OCD often find these obsessions overwhelming, inescapable, and challenging to manage without compulsive behaviors. 

Compulsive OCD Symptoms

Compulsions are repetitive actions or mental rituals performed in response to an obsession. People don’t perform these behaviors for pleasure or satisfaction; they do them to reduce anxiety or prevent something bad from happening. Compulsions may temporarily relieve distress, but the relief is short-lived, and over time, the rituals often become more time-consuming and difficult to control [3].

Common compulsive symptoms of OCD can include [3] [4]:

  • Excessive handwashing, showering, or cleaning
  • Repeated checking of locks, appliances, or switches
  • Counting, tapping, or repeating words silently or aloud
  • Arranging objects until they feel “just right”
  • Hoarding items with no clear value
  • Repeating actions multiple times, such as going in and out of a doorway
  • Seeking frequent reassurance from others
  • Following rigid routines or rules to prevent imagined consequences

Not everyone with OCD displays visible behaviors. Some compulsions are mental, such as silently repeating phrases or prayers. Regardless of form, compulsions can interfere with daily responsibilities, relationships, and overall well-being [3].

OCD Prevalence Among Adults

OCD affects people of all ages, backgrounds, and genders, though its impact can vary widely from person to person. In the United States, an estimated 1.2% of adults experience OCD in a given year.  At 2.3%, lifetime prevalence among U.S. adults is somewhat higher, reflecting the chronic nature of the disorder [5].

Gender may also play a role in how and when OCD develops. Research suggests that among adults, women are slightly more likely than men to experience OCD. However, men tend to develop symptoms earlier, often in childhood, while women are more likely to have onset during adolescence or young adulthood [6].

The degree of impairment caused by OCD can range from mild to severe, but for many, symptoms interfere with work, school, relationships, and daily activities. Specifically, 50.6% of adults with OCD report severe impairment, and almost 35% experience moderate functional disruption [5]. These figures reveal not only how common OCD is but also how deeply it can affect a person’s ability to function. 

Causes and Risk Factors for OCD

The causes of OCD are complex and involve a combination of genetic, neurological, and environmental factors. Although no single factor explains why someone develops OCD, research continues to uncover patterns that help explain how the disorder takes hold [1]. Understanding these patterns and influences can improve approaches to treatment and support.

Genetic Vulnerability

Genetics plays a significant role in OCD risk. Studies show that people with a first-degree relative, such as a parent or sibling, who has OCD are at a higher risk themselves. While no specific gene causes OCD, a combination of genes likely contributes to increased vulnerability [1].

Brain Structure and Function

Differences in specific brain circuits, particularly those involved in decision-making, error detection, and emotional regulation, may contribute to the repetitive thoughts and behaviors characteristic of the disorder. Additionally, other conditions such as epilepsy, Parkinson’s disease, and Tourette Syndrome impact the same areas of the brain, which suggests a potential link between these disorders and OCD [1].

Environmental and Psychological Links

Childhood traumas such as abuse or neglect have also been associated with OCD [1]. Along with these stressful life events, it appears that other mental health disorders, such as substance use disorder, anxiety, depression, and tic disorders, are also risk factors for OCD [3].

Biological connections are also probable, as infections have been associated with the sudden onset of OCD symptoms. Specifically, OCD is among a group of conditions, aka pediatric autoimmune neuropsychiatric disorders associated with streptococcal infections (PANDAS), that can arise following strep infections [1].

OCD and Co-Occurring Conditions

Co-occurring disorders, i.e., when mental health disorders occur concurrently, are prevalent among those with OCD. In fact, a remarkable 90% of people with OCD also have at least one other mental health disorder. Mood disorders (e.g., depressive disorder and bipolar disorder), anxiety disorders (e.g., panic disorder, social anxiety disorder), and impulse-control disorders (e.g., conduct disorder and kleptomania) are the most prevalent co-occurring disorders among those with OCD [7].

Another important area of concern is the connection between OCD and substance use. In some cases, people turn to alcohol or drugs to self-medicate, hoping to quiet obsessive thoughts or reduce the stress caused by compulsions. While this may offer short-term relief, substance use can worsen OCD symptoms over time and introduce a new set of health risks. In fact, mental health conditions like OCD may increase vulnerability to addiction, and the two conditions can reinforce each other in harmful ways [8].

When OCD and another disorder are both present, an integrated treatment approach is essential. That is, treating both conditions together, as opposed to in isolation, offers the best chance for lasting improvement [8].

OCD Treatment Options 

Whether OCD occurs on its own or alongside another mental health or substance use condition, treatment can make a meaningful difference. A variety of evidence-based OCD treatment approaches are available to help reduce symptoms, break the cycle of obsessions and compulsions, and support long-term recovery. Keep in mind, however, that treatment is not a one-size-fits-all solution. A collaborative approach that adjusts over time is often the most effective way to support long-term recovery.

Cognitive Behavioral Therapy

Cognitive behavioral therapy (CBT), particularly a form called exposure and response prevention (ERP), is considered the gold standard for OCD treatment. ERP works by gradually exposing a person to their obsessive fears while helping them resist the urge to engage in compulsive behaviors. Over time, this process reduces anxiety and weakens the link between obsessions and compulsions [4].

Pharmaceutical Options

Medication can also play a key role, especially when symptoms are moderate to severe. Selective serotonin reuptake inhibitors (SSRIs) are often the first-line pharmacological option. These medications help regulate serotonin levels in the brain and may reduce the frequency or intensity of both obsessions and compulsions [9].

Brain Stimulation and Ablation

In treatment-resistant cases, additional strategies may be considered. These can include brain-related techniques such as transcranial magnetic stimulation (which uses magnetic fields to stimulate nerve cells), stereotactic ablation (a type of surgery to disrupt overactive brain circuits involved in OCD), and deep brain stimulation (which involves implanting electrodes to adjust abnormal brain activity) [7].

Helping Those with OCD

Supporting someone with OCD can significantly impact their recovery journey. Recognizing the subtle signs, like repeated behaviors, sudden changes in routine, or heightened anxiety, can be the first step toward offering meaningful help. Instead of seeing these as personality quirks, viewing them as part of the disorder opens the door to connection and collaboration, not frustration or distance. 

Additionally, it’s crucial to educate oneself about OCD, its symptoms, and its treatment. Understanding the disorder helps families respond with empathy rather than frustration, and it can reduce misunderstandings that may arise from the behaviors associated with OCD.

Progress doesn’t happen overnight, and comparing day-to-day ups and downs can be discouraging. Adjusting expectations and celebrating even the most minor victories can make a huge difference. Encouraging steady growth, setting clear boundaries around compulsions, and maintaining simple, supportive communication all build a stronger foundation for healing. Additionally, creating a balanced family environment where routines stay steady, OCD doesn’t dominate conversations, and everyone gets space to breathe helps reduce stress, which in turn can aid OCD symptoms [10].

Finally, seeking professional guidance from mental health professionals and organizations such as the International OCD Foundation empowers both those with OCD and their families. Together, they can reclaim control, manage symptoms, and move toward a life less ruled by OCD.

Transforming Challenges into Change

Living with OCD presents many challenges, but it also offers significant opportunities for growth and recovery. Through evidence-based treatments like CBT and medication, many people find lasting relief from distressing symptoms that once dominated their lives. Additionally, supportive relationships and education about the disorder play an important role in strengthening resilience and facilitating the healing process.

Recovery is often a gradual journey that involves learning to live with uncertainty and discomfort, rather than trying to avoid or control them. This critical shift can open doors to richer experiences and deeper personal insight, turning difficult challenges into opportunities for lasting change and improved well-being.

References
  1. Cleveland Clinic. (2022, December 14). Obsessive-compulsive disorder (OCD). https://my.clevelandclinic.org/health/diseases/9490-ocd-obsessive-compulsive-disorder.
  2. American Psychiatric Association. (2022). Diagnostic and statistical manual of mental disorders (5th ed. text rev.). https://www.psychiatry.org/psychiatrists/practice/dsm
  3. Mayo Clinic. (2023, December 21). Obsessive-compulsive disorder (OCD): Symptoms and causes. Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/obsessive-compulsive-disorder/symptoms-causes/syc-20354432.
  4. American Psychiatric Association. (2024, September). What are obsessive-compulsive and related disorders? https://www.psychiatry.org/patients-families/obsessive-compulsive-disorder/what-is-obsessive-compulsive-disorder
  5. National Institute of Mental Health. (n.d.). Obsessive-compulsive disorder (OCD). National Institute of Mental Health. https://www.nimh.nih.gov/health/statistics/obsessive-compulsive-disorder-ocd
  6. Rosenberg, D. (2023, November 28). Obsessive-compulsive disorder in children and adolescents: Treatment overview. UpToDate. Wolters Kluwer. https://www.uptodate.com/contents/obsessive-compulsive-disorder-in-children-and-adolescents-epidemiology-pathogenesis-clinical-manifestations-course-assessment-and-diagnosis
  7. Brock H., Rizvi A., & Hany M. (2024, February 24). Obsessive-Compulsive Disorder. In StatPearls. StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK553162.  
  8. National Institute on Drug Abuse. (2024, September). Co-occurring disorders and health conditions. National Institute on Drug Abuse. https://nida.nih.gov/research-topics/co-occurring-disorders-health-conditions
  9. Mayo Clinic. (2023, December 21). Obsessive-compulsive disorder (OCD): Diagnosis and treatment. Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/obsessive-compulsive-disorder/diagnosis-treatment/drc-20354438.
  10. Van Noppen, B., Pato, M. (2009). Living with someone who has OCD: Guidelines for family members. International OCD Foundation. https://iocdf.org/expert-opinions/expert-opinion-family-guidelines.
Author Linda Armstrong Writer

Linda Armstrong is an award-winning writer and editor with over 20 years of experience across print and digital media.

Published: Aug 8th 2025, Last updated: Aug 8th 2025

Medical Reviewer Dr. Holly Schiff, Psy.D. Psy.D.

Dr. Holly Schiff, PsyD, is a licensed clinical psychologist specializing in the treatment of children, young adults, and their families.

Content reviewed by a medical professional. Last reviewed: Aug 8th 2025
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