Unwanted, distressing thoughts about causing harm — to yourself, to someone you love, to a stranger. The thought frightens you precisely because it goes against what you value, which is why it catches. The compulsion is often mental checking, reviewing the thought, seeking reassurance that you would never do it, or avoiding situations where the thought might appear.

Persistent doubt about your sexual orientation, your gender identity, your values, or whether you're a good person. The doubt feels urgent and demands an answer, but no amount of thinking settles it. The compulsion is mental review, comparing yourself to others, testing how you feel, or seeking reassurance. The doubt is loud; the checking is what keeps it alive.

Intrusive doubts about your relationship — whether you love your partner enough, whether they're the right person, whether the relationship is real. The compulsion is checking how you feel, comparing your relationship to others, seeking reassurance, or testing the relationship by creating distance. The doubt is not a verdict on your relationship; it's OCD, and it's treatable.

Every one of these presentations responds to the same gold-standard approach — Exposure and Response Prevention, or ERP. ERP helps you reduce compulsions, build tolerance for uncertainty, and loosen OCD's grip so you can reclaim your time, energy, and peace of mind. You don't have to wait for the thoughts to disappear before you start living the life you want.