This article was published on: 10/5/26 5:32 PM
Written by Bella M. Napolitano, Undergraduate Intern, Spring 2026
Intrusive thoughts are often associated with symptoms of obsessive-compulsive disorder (OCD); however, intrusive thoughts alone are not abnormal or indicative of a disorder. What is meaningful is how an individual reacts to these thought intrusions. A problem may arise when upsetting thoughts become the focus of an obsession and are eventually followed by a compulsion (Valentiner & Smith, 2008).
When unwanted thoughts cause significant distress, evidence-based treatments, such as exposure and response prevention (ERP), can significantly reduce symptoms.
What Are Intrusive Thoughts?
An intrusive thought is characterized as an involuntary and unsettling thought or image that appears in the mind (Clark, 2005). These thoughts often directly oppose an individual’s true desires and wishes, making them deeply uncomfortable to experience.
Treatment for frequent or recurring intrusive thoughts can be difficult to seek because thoughts involving taboo subjects may cause shame or embarrassment (Olofsdotter Lauri, 2024). This discomfort can make it frightening for some individuals to disclose their experiences because they may fear that their thoughts will reflect negatively on their character. In reality, unwanted thoughts are not an indicator of an individual’s moral character, true self, or potential danger to others.
How Do Intrusive Thoughts Differ in People With OCD?
Although individuals with OCD can become plagued by fears of committing violence, people with OCD are not more likely to be violent at all (Fernandez et al., 2022). Among individuals with and without OCD, the content of intrusive thoughts can be similar. Individuals with OCD differ primarily in the level of distress caused by these thoughts and the frequency with which they occur (Olofsdotter Lauri, 2024).
For example, it is not unusual for an individual to experience a thought about committing a violent act (Fernandez et al., 2022). However, if the individual begins to ruminate on the violent thought and becomes continuously worried that they will commit the violent act they imagined, their experience aligns consistently with OCD. People with OCD are the polar opposite of people who commit violent acts and these thoughts are totally against their nature and character.
When Should You Seek Help for Intrusive Thoughts?
Suffering from recurrent intrusive thoughts that cause significant distress can become overwhelming, frightening, and exhausting. At times, these symptoms can significantly interfere with areas of life such as social relationships, work productivity, and self-care.
For individuals with OCD, simply learning that intrusive thoughts do not reflect their morality can be helpful, however, it is not sufficient to reduce distress long-term. When professional treatment is needed, exposure and response prevention (ERP) is a strong evidence-based approach for treating obsessive-compulsive symptoms.
How Does ERP Help With OCD and Intrusive Thoughts?
ERP is considered an effective treatment for OCD and unwanted intrusive thoughts (Zemestani et al., 2020). Within ERP treatment, the patient is exposed to a feared stimulus—either real or imagined—while learning to respond differently to the resulting distress (Abramowitz, 2017).
A study conducted in Iran examined the effects of ERP on OCD symptoms among adults taking an SSRI (Zemestani et al., 2020). The findings indicated that, compared with medication alone, patients experienced a significant reduction in symptom severity after engaging in ERP. The study also provided evidence suggesting that ERP can be effective across cultures, particularly when treatment adaptations, such as using culturally relevant metaphors, are incorporated.
Experiencing intrusive thoughts can become debilitating and may feel like evidence that danger exists in a person’s life. However, evidence-based treatments have demonstrated efficacy across cultures, and symptoms can improve with appropriate treatment.
References
Abramowitz, J. S. (2017). The nature and treatment of obsessions and compulsions. Treatments for Psychological Problems and Syndromes, 74–88. https://doi.org/10.1002/9781118877142.ch6
Clark, D. A. (2005). Chapter 1. Intrusive thoughts in clinical disorders: Theory, research, and treatment. In Intrusive Thoughts in Clinical Disorders: Theory, Research, and Treatment. Guilford Press.
Fernandez, S. J., Daffern, M., Moulding, R., & Nedeljkovic, M. (2022). Exploring predictors of aggressive intrusive thoughts and aggressive scripts: Similarities and differences in phenomenology. Aggressive Behavior, 49(2), 141–153. https://doi.org/10.1002/ab.22061
Olofsdotter Lauri, K. (2024). Am I mad, bad or dangerous? A novel intervention approach for unwanted intrusive thoughts. Institute for Clinical Neuroscience, Department of Clinical Neuroscience.
Valentiner, D. P., & Smith, S. A. (2008). Believing that intrusive thoughts can be immoral moderates the relationship between obsessions and compulsions for shame-prone individuals. Cognitive Therapy and Research, 32(5), 714–720. https://doi.org/10.1007/s10608007-9179-1
Zemestani, M., Salavati, M., Seyedolshohadayi, A., Petersen, J. M., Ong, C. W., Twohig, M. P., & Ghaderi, E. (2020). A preliminary examination of acceptance and commitment therapy versus exposure and response prevention for patients with obsessive-compulsive disorder on an optimal dose of SSRIs: A randomized controlled trial in Iran. Behavior Modification, 46(3), 553– 580. https://doi.org/10.1177/0145445520982977
The Maryland Anxiety Center was founded by Andrea G. Batton, LCPC with a vision of creating a practice where clinicians and staff work cohesively and collaboratively with patients to provide optimal psychological care. The Maryland Anxiety Center specializes in the treatment of anxiety and related disorders from a cognitive behavioral perspective, the gold-standard and most effective treatment for such conditions.