Understanding Health Anxiety
A plain-language explainer on what health anxiety is, why it happens, and how scanning the body and seeking reassurance keep the worry going.
Written by Tarun Vermani, Trainee Clinical Psychologist Last reviewed
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Understanding Health Anxiety
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What health anxiety is
Health anxiety is a persistent worry about having, or going on to develop, a serious illness, when the actual risk is low. It is more than sensibly looking after your health. The worry can take up a great deal of time and energy, and it often sticks around even after tests come back clear or a doctor offers reassurance. Health anxiety is very common, it is not a sign of weakness or of being silly, and it responds well to treatment.
Common experiences
Health anxiety shows up in different ways. Tick any that you have noticed in yourself. There are no right or wrong answers, and this is just a way to build a picture together.
Why it happens
Our bodies produce harmless sensations all the time: aches, twinges, flutters, and changes we usually never notice. Health anxiety happens when these everyday sensations get read as a sign of danger. A normal headache becomes a fear of something serious. This is fuelled by two things working together: turning your attention onto your body so you notice far more, and finding uncertainty about your health very hard to sit with. Once a sensation feels like a threat, it is natural to want to check it, watch it, or seek reassurance.
The vigilance trap
Here is the catch. The more closely you scan your body, the more sensations you will find, because there are always some there to notice. So checking actually gives you more to worry about, not less. Asking for reassurance, or searching online, can bring a moment of relief, but the doubt soon creeps back and the urge to check returns, often stronger. The very things that are meant to settle the worry end up feeding it.
What helps
Health anxiety responds well to CBT. A big part of it is learning to reinterpret bodily sensations as the harmless, ordinary things they usually are, rather than as signs of danger. Another part is gradually cutting back on body-checking, googling, and reassurance-seeking, so the worry has nothing left to feed on. None of this means ignoring your health. Do see your GP about symptoms that are genuinely new or that persist. The skill is noticing the difference between sensible health care and the reassurance trap.
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When to use ‘Understanding Health Anxiety’
‘Understanding Health Anxiety’ is an interactive cognitive behavioural therapy (CBT) worksheet, most often used in CBT for health anxiety.
It is designed to be used within therapy rather than as a standalone self-help tool: a therapist introduces it, works through it collaboratively, and helps make sense of what it surfaces. You can preview the full worksheet above, then assign it digitally for clients to complete between sessions on any device — or download it as a print-ready PDF.
How it works
Most people work through it in around 8 minutes. It moves through six short steps:
- What health anxiety is — Health anxiety is a persistent worry about having, or going on to develop, a serious illness, when the actual risk is low. It is more than…
- Common experiences — Health anxiety shows up in different ways. Tick any that you have noticed in yourself. There are no right or wrong answers, and this is…
- Why it happens — Our bodies produce harmless sensations all the time: aches, twinges, flutters, and changes we usually never notice. Health anxiety happens…
- The vigilance trap — Here is the catch. The more closely you scan your body, the more sensations you will find, because there are always some there to notice.…
- What helps — Health anxiety responds well to CBT. A big part of it is learning to reinterpret bodily sensations as the harmless, ordinary things they…
- Over to you
Completed on the Formulate platform, your client's answers are saved automatically and shared straight back to you, so you can review them before the next session rather than waiting for a paper copy to come back.
The CBT approach behind it
In common with other CBT methods, ‘Understanding Health Anxiety’ works by noticing the links between situations, thoughts, feelings, physical sensations and behaviour — and finding practical ways to change unhelpful patterns. The aim is not positive thinking but a clearer, shared understanding of what keeps a difficulty going — and practical, testable ways to change it.
Because it is a CBT tool it stays focused on the here-and-now links between thoughts, feelings, the body and behaviour, and it works best as one part of a wider course of therapy rather than as advice or a diagnosis.
Evidence & sources
This worksheet is grounded in established cognitive behavioural therapy theory and practice. Key sources include:
- Warwick, H.M.C. & Salkovskis, P.M. (1990). Hypochondriasis. Behaviour Research and Therapy, 28(2), 105-117. doi:10.1016/0005-7967(90)90023-C
- Salkovskis, P.M. & Warwick, H.M.C. (2001). Making sense of hypochondriasis: A cognitive model of health anxiety. In G.J.G. Asmundson et al. (Eds.), Health Anxiety. Chichester: Wiley.
For use alongside professional support
Formulate provides educational CBT resources for use with a qualified therapist. They are not a substitute for professional assessment, diagnosis, or crisis care.
If you need urgent help now:
- Emergency services: 999 — if you or someone else is in immediate danger
- Samaritans: 116 123 — free, day or night, 365 days a year
- SANEline: 0800 689 5555 — 4:30pm–10:30pm, every day
More Health Anxiety worksheets
View all Health Anxiety worksheets →Health Anxiety
Health Anxiety Formulation (Salkovskis & Warwick)
A formulation based on the cognitive-behavioural model of health anxiety — mapping the vicious cycle of misinterpretation, anxiety, checking, and temporary reassurance.
Health Anxiety
Health Anxiety Monitoring Diary
Track health anxiety episodes — the trigger, misinterpretation, anxiety level, safety behaviour used, and the actual outcome.
Health Anxiety
Reassurance-Seeking Reduction Record
Track urges to seek reassurance, whether you resisted, and what happened — building evidence that you can tolerate uncertainty without reassurance.
Health Anxiety
Body Vigilance Experiment
Test how attention to the body creates and amplifies sensations — demonstrating that body scanning is part of the problem, not the solution.
Health Anxiety
Health Behaviour Cost-Benefit Analysis
Weigh up the costs and benefits of specific health anxiety behaviours — checking, Googling, reassurance-seeking — to build motivation for change.
Health Anxiety
Health Checking Reduction Diary
Track gradual reduction in body checking behaviours — setting targets, monitoring frequency, and recording what happens when you check less.
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