Find help / Adult guide · ages 18 to 64
Adult guide · ages 18 to 64
Understand what's happening, and what actually helps.
OCD can take hours out of your day and a lot out of your life, often in ways no one else can see. Here's the full picture, written plainly and reviewed by clinicians.
The forms OCD takes
Harm OCD
Unwanted thoughts or images of hurting someone, often someone you love, or of losing control. People with harm OCD are horrified by these thoughts precisely because they go against who they are. They often avoid knives, driving, or being alone with others, and check their memory for proof they did nothing wrong.
Relationship OCD
Constant doubt about whether you love your partner enough, whether they're "the one," or whether you're attracted to them. Rituals include comparing, testing your feelings, and seeking reassurance from friends or online.
"Pure O" and mental rituals
When the compulsions happen in your head: reviewing, analyzing, neutralizing a thought with a "good" one, praying, or trying to reach certainty. They're invisible, so people often don't realize they're compulsions at all. ERP treats them too.
Contamination
Fear of germs, illness, chemicals, or feeling "dirty." Sometimes the feeling comes from a person, a place, or even a thought. Washing, cleaning, and avoidance are the usual rituals.
Unwanted sexual and taboo thoughts
Intrusive thoughts about sexuality, orientation, or taboo acts are among the most common OCD themes, and the least discussed. They cause intense shame. They say nothing about your desires or your character.
Perinatal OCD
Intrusive thoughts during pregnancy or after birth, often about the baby being harmed. They're more common than people say and very treatable. Talk to your doctor, midwife, or nurse. Having these thoughts doesn't make you a danger to your child.
Getting diagnosed
A doctor or psychologist can assess whether it's OCD. They'll ask what thoughts bother you, what you do to calm them, how much time it takes, and how it affects your life. Some use a standard questionnaire.
Bring notes. It's normal to find some thoughts hard to say out loud. Professionals who know OCD have heard it all, and it won't shock them.
How ERP works
With a therapist, you list situations that trigger your OCD, from mild to hard. Then you face them one by one, without doing the ritual.
Example, for checking: lock the door once and leave. Next time, lock it and don't look back. Later, leave without checking the stove. Each step feels hard at first, then gets easier as your brain learns the doubt can pass on its own.
About medication
Doctors often prescribe a type of antidepressant called an SSRI for OCD. It can take several weeks to feel the effect, and the doses used for OCD are sometimes higher than for depression.
Medication is a decision to make with your doctor. Never stop or change it on your own.
Paying for treatment
Psychologists in private practice usually aren't covered by provincial health plans. Workplace insurance, employee assistance programs, and student plans often cover part of it. Public services exist too, sometimes with a wait.
Ask your doctor and your employer's HR or insurer what's available to you.
At work
You don't have to tell your employer. If you do, you can ask for reasonable accommodations, like flexible deadlines or time off for appointments.
In relationships
OCD affects the people you live with. Our family guide helps partners support you without getting pulled into the rituals.
Steps to get careOCD explained
Reviewed by the nuanse clinical committee · September 2026. This page is education, not a diagnosis.