Free screening · Nathan Peterson, LCSW
Harm OCD Test: Do I Have Harm OCD?
Harm OCD is OCD that's latched onto the fear that you might hurt someone. A thought or image shows up, it horrifies you, and the rest of your day goes to proving you're safe to be around. The knives go in a drawer you don't open. You check that everyone's okay, and you ask someone to tell you again that you'd never do it. I wrote this free screening to help you see whether what you're dealing with follows the OCD pattern, and how heavy it's gotten.
- Intrusive thoughts about hurting someone
- Fear of losing control
- Putting the knives away
- Checking that people are okay
- Asking to be told you're safe
- Avoiding people you love
Not a diagnosis. Your answers are used to show your result. See our Privacy Policy.

I feel responsible for bad things happening if I do not do a certain behavior.
Not at all
Some of the time
Majority of the time
All of the time
How intense are my thoughts about harming myself or others?
Not at all
Somewhat intense
Very intense
Extremely intense
How often do I ask others if they are okay or if I would really cause harm?
Not at all
Some of the time
Most of the time
All of the time
I excessively worry about the safety of others.
Not at all
Some of the time
Most of the time
All of the time
How many hours a day do I spend avoiding things that would risk causing harm to myself or others?
Less an ONE hour
1-3 hours
3-6 hours
More than 6 hours
My harm thoughts affect my daily functioning. (work, family, school, etc)
Not at all
Some of the time
Most of the time
All of the time
I avoid people, objects, knives, the news, or other triggers that would invoke an anxious harm thought or repetitive behavior.
Not at all
Some of the time
Most of the time
All of the time
How distressed do I feel if I do NOT do a behavior to remove the thought or anxiety?
Not at all
Somewhat distressed
Fairly distressed
Extremely distressed
I obsess about harming myself, my loved ones, or innocent strangers.
Not at all
Some of the time
Most of the time
All of the time
One More Step.
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What is harm OCD
What harm OCD is
Harm OCD is OCD that's fixed on the fear of hurting someone. The thoughts show up as questions, images, or urges. They point at the people closest to you, at a stranger on a train platform, and sometimes at yourself. They hit hard because nobody getting hurt is the thing you want most.
It isn't a separate diagnosis. It's OCD with a specific theme, and it runs the same loop as every other theme. The thought shows up, the fear spikes, you do something to make sure you're safe, and the relief lasts until the next thought.
What keeps it going isn't the thought. It's what you do about it, like the knives in the drawer you don't open and the question you keep asking the people who love you.
The difference
Harm OCD and wanting to hurt someone are two different things
This is the difference you need to understand most, and it's one a therapist without OCD training can miss. It isn't in what the thought says. It's in what the thought does to you.
With harm OCD, the thought is unwanted. It brings fear and shame, and you start rearranging your life so it can't come true. Someone who wants to hurt another person doesn't experience the thought that way. It fits what they want, so there's no alarm and no effort to make themselves safer.
I can't give you a guarantee about yourself on this page, and any page that tries is handing you a ritual. What I can tell you is that a thought you're treating with this much fear, and this much effort to prevent, has become an OCD problem. OCD problems have treatment.
Obsessions
What the thoughts look like
Obsessions are the unwanted part, the thoughts, images, or urges that show up on their own and set off fear right away. Some of the forms harm OCD takes:
- "What if I stabbed, hit, or hurt someone I love?"
- Fear of snapping and losing control with no warning
- Violent images that flash in while you're doing something ordinary
- Fear that you hit someone with your car and didn't notice
- Thoughts about harming a baby, a child, or someone who can't protect themselves
- Fear that you already hurt someone and don't remember it
- Thoughts about hurting yourself that you don't want and didn't ask for
- "What if I pushed them?" at the top of the stairs, on a platform, or near a ledge
- Fear that part of you secretly wants this, and that the fear is the proof
The content changes from person to person. The pattern doesn't. A thought shows up, it feels urgent, and something in you insists on settling it right now.
Compulsions
What the safety behaviors look like
Compulsions are what you do to make the fear drop, out loud or in your head. With harm OCD they're almost always about preventing something, or proving you're not dangerous.
- Hiding the knives, scissors, or tools, or handing them to someone else
- Refusing to be alone with your kids, your partner, or an elderly parent
- Asking for reassurance: "You know I'd never hurt you, right?"
- Going back over what you said and did to make sure nobody got hurt
- Texting or calling people to check that they're okay
- Turning the car around to make sure there's nobody on the road
- Staying away from news or movies with violence in case they put an idea in your head
- Confessing the thoughts so someone can tell you what they mean
- Watching your own hands and body for signs you're about to move
- Praying or repeating a phrase in your head to cancel the thought out
Every one of these works for a minute, and that's what keeps you doing them. Each time, your brain learns the thought was worth that much effort, so it sends it back louder and sooner. Pulling away from the people you love doesn't make anyone safer. It makes your world smaller and the thought bigger.
Thoughts about yourself
When the thoughts point at you
Harm OCD can also turn inward. The thought is about jumping or swerving into traffic, and it horrifies you the same way the outward version does. You don't want it and you wouldn't act on it, and you spend the day staying away from windows and medicine cabinets to be sure.
OCD thoughts about self-harm are unwanted and frightening. Wanting to die is a different experience, and it needs different help, right away.
Treatment
How harm OCD is treated
Harm OCD responds to the same treatment as the rest of OCD. The approach with the most research behind it is exposure and response prevention, or ERP, a type of CBT made for OCD. You move toward the thought on purpose, in steps you can handle, and skip the ritual that usually follows. Over time your brain stops treating the thought as an emergency.
In practice it looks smaller than you'd expect, like chopping vegetables while the thought is in the room, or sitting on the couch with your kid and not asking anyone for reassurance afterward. Eventually it means putting the knives back in the block.
I know, that sounds like the most irresponsible thing you could do. It isn't. Hiding the knives is what keeps telling your brain you're dangerous.
The goal isn't proof that you'd never hurt anyone. That proof doesn't exist, for you or for anyone else, and that's the part OCD keeps hiding from you. The goal is carrying the thought and going on with your day. The fear quiets as the compulsions stop, not before.
Working with someone trained in OCD matters here. A therapist without that training might treat an unwanted intrusive thought as a safety risk or start digging for a hidden motive, and both feed the loop. An OCD specialist knows the difference between this theme and real risk. Medication, usually an SSRI, is also an established treatment and is often used alongside therapy.
About this test
What this harm OCD test measures
I'm Nathan Peterson, LCSW, a licensed therapist who specializes in OCD and anxiety, and I wrote this free screening. It looks at four things: the intrusive thoughts, the checking and reassurance, what you're avoiding, and how much of your life it's taking up.
It isn't a diagnosis. Only a licensed professional can give you that. What it can do is show you whether what you're dealing with follows the OCD pattern, and how loud it's gotten. Use it as a place to start, not a verdict.
FAQ
Common questions about harm OCD
Does having these thoughts mean I might hurt someone?
Look at what the thought does to you, not what it says. With harm OCD the thought is unwanted, it brings fear and shame, and it sends you straight into prevention. Someone who intends to hurt a person doesn't experience their thoughts as horrifying and doesn't spend the day trying to make themselves safer. The distress tells you the thought goes against what you want. It doesn't tell you you're dangerous.
Should I tell my therapist about thoughts like this?
Yes, and if you can, tell one who specializes in OCD. A therapist without OCD training might hear an unwanted intrusive thought as a safety risk and respond with safety plans or monitoring, which makes OCD worse. An OCD specialist knows the difference between intrusive thoughts and real risk. Before you book, it's fair to ask "How do you treat harm OCD?" The answer should include exposure and response prevention. If you're worried about what a therapist has to report, you can ask about that up front too.
Is harm OCD the same as wanting to hurt someone?
They're close to opposite. With harm OCD the thought feels foreign and unbearable, and you reorganize your life so it can't happen. Wanting to hurt someone means the thought fits what the person wants, so there's no horror and no effort to prevent it. The words in the thought can be the same. How the person relates to it is completely different.
What is hit-and-run OCD?
It's harm OCD pointed at driving. A bump in the road or a cyclist in your mirror turns into the fear that you hit someone and kept going. The compulsions include checking mirrors, driving the route again, watching the news for accidents, and inspecting the car. The treatment is the same as the rest of harm OCD. Drive the route once, let the doubt ride along, and don't go back.
Why do I feel an urge, like my body might do it?
OCD can latch onto a physical feeling as easily as a thought. Fear puts your body on alert, and once you start watching your hands for evidence, ordinary twitches start to look like intent. The watching is a compulsion, and the feeling gets louder the closer you look. Urges pass on their own. They don't make you act.
Should I put the knives away to be safe?
Hiding them is the compulsion. It brings the fear down for an afternoon and teaches your brain the thought was a warning worth acting on, so the next one hits harder. Treatment goes the other way, at a pace you can handle, until the knife block stops meaning anything.
What is the difference between harm OCD and POCD?
Both are OCD themes built on the fear of harming someone. Harm OCD is broader and covers violence or accidents toward anyone, including yourself. POCD is unwanted sexual thoughts about children. They run the same loop and respond to the same treatment, and some people have both. If that's the theme you're dealing with, the POCD test is a closer fit.
Can harm OCD be treated?
Yes. Exposure and response prevention teaches you to stay with the thought without checking or asking for reassurance, and the fear quiets as your brain stops treating it as a warning. The goal isn't certainty about yourself. It's getting your kitchen and your evenings back.
Keep going
Other free places to start
Ready to work on it?
Master Your OCD walks you through ERP step by step, so you can stop checking and let the thoughts come along while you live your life.
See the course