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Self-checks

Intrusive thoughts and checking self-check

A short self-check on unwanted intrusive thoughts, repeated checking behavior and mental rituals, based on the past month.

3-5 minutes15 questions

Think back over the past month and answer honestly, including thoughts that felt embarrassing or made no logical sense. Everyone has intrusive thoughts occasionally; this check is about how often they occur and how much time or effort goes into responding to them, not about whether you ever have them at all.

Intrusive thoughtsChecking behaviorMental rituals

This is an original set of questions written for this site. It is not the Y-BOCS or the OCI-R, and it does not produce a clinical score or diagnosis of obsessive-compulsive disorder. Diagnosing OCD requires a structured clinical interview that a screening page cannot replace. If checking, counting or mental rituals are taking up an hour or more of your day, or causing real distress, a doctor or mental health professional can offer an accurate assessment and treatment options.

Intrusive thoughts are common

Most people occasionally have a strange, unwanted or disturbing thought that pops up uninvited. What varies is how much attention and ritual gets attached to it afterward.

Not a diagnostic tool

This page uses original questions rather than a validated clinical instrument, so results describe a pattern to explore, not a diagnosis to accept.

Time is often the clearest signal

How many minutes a day go into checking, counting or mentally reviewing something tends to say more than the content of the thought itself.

The difference between a thought and a ritual

An intrusive thought is the uninvited idea itself, such as wondering whether you left the stove on. A compulsion is what you do in response, physically checking the stove, mentally reviewing the moment you left the kitchen, or asking someone else to confirm it for you. The thought alone rarely causes much disruption; it is the repeated ritual built around trying to feel certain that tends to eat into time and energy.

Certainty-seeking can quietly expand

A single check, like glancing at a locked door once, is ordinary. The pattern worth noticing is when one check is not enough, when you find yourself needing to check three times, or returning home to verify something you already confirmed. This tends to expand gradually, so a month-long window is more useful than a single day for spotting whether it has grown.

Getting an accurate assessment in Vietnam

Because these patterns can overlap with generalized anxiety, health anxiety or perfectionism, an accurate read usually needs a structured conversation with a mental health professional rather than a checklist alone. International clinics and hospital psychiatry departments in Vietnam's larger cities can carry out that kind of assessment, and bringing specific examples of the checking or thoughts you have noticed will make that conversation more useful.

Before you start

Does having intrusive thoughts mean I have OCD?

No. Intrusive thoughts are extremely common and most people experience them without any disorder. What matters clinically is whether the thoughts cause significant distress and whether compulsive behavior in response is taking up meaningful time or interfering with daily life.

Why does this check ask about time spent, not just the thoughts themselves?

Time and interference are central to how OCD is clinically assessed, more so than the specific content of a thought. A rough sense of how many minutes a day go into checking or mental review helps distinguish an occasional habit from a pattern worth discussing with a professional.

What if my checking is only about one specific thing, like locks?

A narrow focus does not rule anything in or out. Some people's checking centers on one area, such as locks or appliances, while others notice it spreading across several. Either pattern is worth describing accurately to a clinician rather than dismissing because it seems narrow.