You are standing on a station platform and your mind offers you, unbidden and in high definition, the image of stepping forward. You are holding a knife and chopping onions and something suggests a use for it that appals you. Nothing about you wants this. The thought arrived anyway, and now you are frightened of your own head. The first thing worth knowing is how ordinary that experience is.
Almost everybody has them
An international study collected reports of unwanted intrusive thoughts from students across six continents and found that the overwhelming majority of people with no mental health condition reported experiencing them, including aggressive, sexual and blasphemous content. [radomsky-2014-continents] The title the authors gave that paper was, roughly, you can run but you cannot hide.
This is not a reassuring platitude. It is the central clinical fact. If nearly everyone has these thoughts and only some people are tormented by them, then the thought cannot be what causes the torment.
What differs is the interpretation. A cognitive account of obsessions that has held up well proposes that ordinary intrusive thoughts become obsessions when they are given catastrophic personal significance, when the person concludes that having the thought reveals something about who they are or what they might do. [rachman-1997-obsessions] The thought is the weather. The distress is what you decide the weather means about you.
A schematic of the appraisal model described in Rachman (1997). Note that the first bar is identical in both views: the thought itself does not change. Illustration, not measured data.
Why pushing them away makes them louder
The instinctive response is to shove the thought out. It is also the response with the best evidence that it backfires.
In the original suppression experiments, people asked not to think about a white bear reported it intruding repeatedly during the attempt, and reported it more often afterwards than people who had never been asked to suppress anything. [wegner-1987-suppression] To check that a thought is absent, you have to hold the thought in mind.
Everything that functions as suppression has the same problem: distracting yourself hard, seeking reassurance that you are not a bad person, mentally reviewing your history for evidence, avoiding the knife drawer. Each one works for a few minutes and teaches your brain that the thought was genuinely dangerous, which guarantees a return visit.
The move: label, feel, carry on
Deliberately unglamorous, and it takes about fifteen seconds.
- Notice it has arrived. Often you will notice the spike of fear before you notice the thought.
- Label it as an event, not a message. “There is that thought again.” Not “I would never” and not “why would I think that”. You are filing it, not answering it.
- Let the fear be there without acting on it. The spike is a physical event with a beginning and an end. It will fall on its own if you do not add to it.
- Do not check, argue or seek reassurance. This is the hard part and the important one. Every reassurance is a small deposit into the belief that the thought mattered.
- Go back to what you were doing. Slowly, with the thought still present if it wants to be. You are not waiting for it to leave before you resume your life.
The reason mindfulness helps here is narrow and worth stating exactly: it trains the ability to have a thought in your awareness without being recruited by it. That is a different skill from thinking better thoughts, and it is the one that applies. The wider practice is covered in our guide to what mindfulness actually is.
Practise letting one pass
Sit for a couple of minutes with your eyes open. Notice whatever turns up, including anything unwelcome, and label each one simply: thinking, planning, worrying, remembering.
1:00
You are not trying to have pleasant thoughts. You are practising the noticing and the not-following. If a thought frightens you, label it and stay put rather than getting up. Nothing here is recorded.
Done. Whatever turned up, you watched it rather than obeyed it. That is the skill.
The clouds analogy, and its limit
Thoughts as clouds passing across the sky is the standard image, and it is useful for one reason: it separates the sky from the weather. You are the awareness in which the thought appears, not the thought.
The limit is that people turn it into a technique for making clouds go away, and then feel they have failed when the sky stays overcast for an hour. Clouds do not leave because you watched them correctly. They leave when they leave. The practice is the watching, not the departure.
Is it a passing thought or a stuck cycle?
Tick anything that has been true in the last month.
0 of 6 ticked
Checking, reassurance-seeking and avoidance are the things that keep intrusive thoughts powerful, and they are also the things that respond well to proper treatment. This is worth taking to a doctor rather than practising harder on your own.
They are worth catching now. Each check or reassurance teaches your brain that the thought was genuinely dangerous. Try dropping the smallest one first and letting the discomfort rise and fall on its own.
When it is more than a passing thought
The line is not about content. It is about what the thought makes you do.
If the thoughts trigger compulsions such as checking, counting, washing, repeated reassurance-seeking or mental reviewing, or if you have reorganised your days around avoiding triggers, that pattern has a name and a well-established treatment. Our guide to the psychological causes of OCD explains the cycle, and the OCD hub covers the wider picture. This is one of the most treatable presentations in mental health, and people commonly wait years before mentioning it because they are afraid of what the thoughts imply about them. They imply nothing.
If what is looping is repetitive rather than intrusive, replaying real events rather than offering alarming hypotheticals, mindfulness for rumination is the better guide. If it is mostly future-facing churn, try mindfulness for overthinking.
A genuine caution
Meditation is usually presented as harmless, and for most people most of the time it is. A mixed-methods study of experienced Western meditators documented a range of difficult meditation-related experiences, including fear, anxiety and re-emerging traumatic material. [lindahl-2017-varieties]
If you have a trauma history, or you find that closing your eyes and turning inward reliably makes things worse, do not push through. Shorter practices with the eyes open and an external anchor are gentler, and a professional is a better guide than an app for that particular terrain.
When to seek help
Speak to a doctor if the thoughts are taking up more than an hour of most days, if you are performing rituals or checking to manage them, if you are avoiding parts of your life, or if the distress has lasted more than a few weeks. Describing them out loud is the hardest part and is usually the point at which things start improving.
If you ever have thoughts of harming yourself, treat that as urgent and contact your local emergency services or a crisis line now. Intrusive thoughts about harm are not the same as intent, and a clinician will know the difference; say them anyway.
The free self-assessment hub has short questionnaires for anxiety, low mood and stress.
How MyFreud can help
MyFreud gives you somewhere to put the thought that is not another round of reassurance. Short guided sessions grounded in CBT-style techniques, a private space to note what turned up without analysing it to death, and daily mood tracking so you can see whether the difficult days cluster around sleep, pressure or particular weeks. It works alongside professional care.
Download MyFreud and start today: App Store or Google Play.