Wondering what type of OCD you have? Learn about the most common OCD themes, including contamination, harm, checking, relationship OCD, false memory OCD, health OCD, and more, and see how they all follow the same underlying pattern.

The harder people try to push intrusive thoughts away, the more attention those thoughts often receive. Learn why unwanted thoughts can become more persistent and how OCD can keep the cycle going.

Many people with OCD experience periods when symptoms improve, only to become alarmed when anxiety suddenly returns. Learn what backdoor spikes are, why they happen, and how OCD can turn recovery itself into a new source of doubt.

Hit-and-run OCD involves persistent fears about accidentally injuring or killing someone while driving and not realizing it. Although the fear centers on driving, the core issue is often a need for certainty and repeated attempts to determine whether harm occurred.

Rumination is a common mental compulsion in OCD that can feel like problem-solving but often keeps people trapped in cycles of doubt, uncertainty, and overanalysis. Learn how rumination works and why it can be so difficult to stop.

False memory OCD is a form of Obsessive-Compulsive Disorder involving obsessive doubt about past events, actions, or memories.

The person becomes preoccupied with the possibility that they forgot something terrible, misremembered events, caused harm unknowingly, behaved immorally, or committed a serious mistake without realizing it. The fears often feel vivid and emotionally convincing, even when objective evidence is limited or absent.

Supporting someone with OCD can be challenging. Learn how reassurance, accommodation, and participation in compulsions can affect OCD, and how to provide support without reinforcing the disorder.

POCD is a form of Obsessive-Compulsive Disorder related to the possibility of being sexually attracted to children, becoming a danger to children, or having hidden desires that the person finds horrifying.

The core problem in OCD isn’t the presence of the thoughts themselves, but the compulsive attempts to achieve certainty, eliminate fear, or prove something with absolute confidence.

People with POCD often become trapped in cycles of fear, hypervigilance, mental checking, reassurance-seeking, avoidance, self-monitoring, and compulsive analysis. The experience is often emotionally consuming and profoundly isolating.

Everyone experiences intrusive thoughts from time to time. The difference between normal intrusive thoughts and OCD often isn’t the thought itself, but the meaning attached to it and the compulsive attempts to eliminate uncertainty, distress, or risk.

Contamination OCD involves intrusive fears about contamination and compulsive attempts to eliminate uncertainty about safety. Although many people associate Contamination OCD with germs and cleanliness, the core issue is often persistent doubt about contamination, illness, exposure, or harm.

Many people with obsessive-compulsive disorder (OCD) experience intrusive thoughts about harming themselves or other people.

These thoughts are often deeply unwanted, frightening, and emotionally devastating. People may become terrified that the thoughts mean something dangerous about who they are or what they might do.

This presentation is commonly referred to as harm OCD.

Living with obsessive-compulsive disorder (OCD) is no walk in the park. As a clinical psychologist based in Arlington, Virginia, I specialize in Exposure and Response Prevention (ERP) Therapy, an evidence-based treatment for OCD that helps people reclaim their lives from endless cycles of obsessions and...