Checking compulsions: why you keep checking the lock and how to ease it
CareOps editorial team · · 5 min read
Mental wellness information and service guidance published by CareOps.
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Read our full editorial standards →Many people walk out the door, go back up to rattle the handle, and then return once more from the elevator. The stove, the hair iron, the message just sent: the list of things to check can keep growing. Here is why checking doesn't bring peace of mind, and how to loosen that loop.
At a glance
- Checking compulsions are repeatedly checking the same thing to calm anxiety: locks, the stove, sent messages, even “did I hurt someone?”
- Paradoxically, experiments show that repeated checking lowers confidence in your own memory, so checking ends up feeding the doubt.
- The key is delaying and reducing checks so you learn the anxiety settles on its own, the core idea of exposure and response prevention.
What are checking compulsions?
“Checking OCD” is an everyday term for the form of obsessive-compulsive disorder in which checking stands out. A thought (an obsession) like “if the door is open someone will break in” or “if there's a fire it's my fault” stirs anxiety, and checking (a compulsion) is done to ease it. For the meaning of OCD and its other types, see OCD test and symptoms.
What do checking symptoms look like?
- Checking the lock, gas valve or plugs several times, sometimes taking photos.
- Reopening sent messages or emails again and again to look for mistakes.
- Driving back after a trip to make sure you didn't hit anyone.
- Replaying the scene in your head over and over when you can't check in person.
- Repeatedly asking family, “Did I really lock it?”
Why does checking make the doubt worse?
Checking brings relief in the moment. But in one experiment, healthy participants who repeatedly checked a virtual gas stove kept the same memory accuracy, yet their memories grew less vivid and their confidence that they had turned it off dropped (van den Hout & Kindt, 2003). The explanation: looking at the same thing again and again makes it so familiar that the scene isn't stored clearly. Checking in your head had the same effect (Radomsky & Alcolado, 2010).
So the loop runs like this: doubt appears → anxiety → checking → brief relief → a hazier memory and more doubt. Another explanation is that the stronger the sense of responsibility (“if I don't prevent it, it's on me”), the more checking grows (Rachman, 2002). For unwanted thoughts that keep popping up, see intrusive thoughts.
How is it different from being careful?
| Being careful | Checking compulsion | |
|---|---|---|
| How often | Once or twice is enough | It never feels like enough |
| Afterward | You feel settled | Doubt soon returns |
| Time | A moment | Long enough to make you late |
| If you try to stop | It's easy | Anxiety surges |
If checking takes more than an hour a day, gets in the way of work, study or relationships, or you want to stop but can't, it's worth treating it as more than carefulness.
How can I check less?
The best-supported psychological approach for OCD is cognitive behavioral work, at the heart of which is exposure and response prevention (ERP). By staying in an anxious situation step by step without checking, you learn firsthand that the anxiety settles even when you don't check. A meta-analysis of 37 randomized trials found a very large effect compared with waiting-list groups (Öst et al., 2015). Here are small steps you can try on your own.
1. Delay the check by five minutes
When the urge to check comes, put it off for just five minutes. Watch how the anxiety rises and falls in the meantime, and you may find it eases sooner than expected. As it gets easier, stretch it to ten minutes, then thirty.
2. Check once, slowly and attentively
When you lock the door, keep your mind on it and say to yourself, “I've locked it, I heard the click,” then check just once and walk away. Skip the photo and the trip back. You can also set a number of checks and lower it one at a time.
3. Name the doubt
When “the door might be open” pops up, label it: “There's that checking thought again.” Don't argue with it or try to erase it; let it come and go. If you tend to chew over the same thoughts, also see when you overthink.
Try a self-assessment without signing inOCI-R · Obsessive-compulsive experiencesIf you keep re-checking the lock and the same thoughts keep coming backStart the check →When to talk with a professional
If delaying on your own doesn't cut back the checking, or checking has made it hard to leave home or get to work, it helps to plan the steps with a professional. Exposure and response prevention works best with a safe, gradual practice plan. Diagnosis and medication are decided in psychiatric care, and you can talk with a counselor alongside it.
The urge to check rises fast, and it's often hard to look at the responsibility and fear underneath on your own. CareOps Maeumi is an AI counseling app that runs sessions with established approaches such as cognitive behavioral (CBT) and acceptance and commitment (ACT) methods, and remembers past sessions so the next one picks up where you left off. You can set your delay steps together and look back on how each one went. Get the app
Frequently asked questions
- Is checking the lock over and over a sign of OCD?
- Checking once or twice is something everyone does. But if no amount of checking settles you, and it takes a lot of time or disrupts daily life, it may be a checking symptom of OCD, so talking with a professional is a good idea.
- What causes checking compulsions?
- There's no single cause. But the stronger the sense of responsibility and the larger the perceived danger, the more checking grows, and repeated checking lowers confidence in memory, which keeps the loop going.
- Can checking compulsions get better?
- Yes, many people improve. The key is exposure and response prevention: delaying and reducing checks to learn that the anxiety settles on its own. If it's hard alone, you can plan and practice the steps together in counseling.
Sources
- van den Hout & Kindt (2003), Repeated checking causes memory distrust, Behav. Res. Ther.
- Radomsky & Alcolado (2010), Don't even think about checking: mental checking causes memory distrust, J. Behav. Ther. Exp. Psychiatry
- Rachman (2002), A cognitive theory of compulsive checking, Behav. Res. Ther.
- Öst, Havnen, Hansen & Kvale (2015), Cognitive behavioral treatments of obsessive–compulsive disorder. A systematic review and meta-analysis of studies published 1993–2014, Clinical Psychology Review
- Foa, Huppert, Leiberg et al. (2002), The Obsessive-Compulsive Inventory: Development and validation of a short version, Psychological Assessment
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