Health anxiety is when worry about being ill takes over daily life — and it is treatable. If you repeatedly check your body, seek reassurance, or fear a doctor missed something, you are not alone and you are not "imagining it." Cognitive behavioural therapy (CBT) is the first-line treatment with consistent evidence, and self-help steps can reduce checking behaviour within weeks. This guide explains the signs, the red flags that mean it is time to see a doctor, and the practical steps that help. Reviewed 2026.
What health anxiety is
Health anxiety is when you spend so much time worrying that you are ill, or going to become ill, that the worry starts to take over your life. The NHS describes it as closely related to obsessive compulsive disorder (OCD): the core pattern is a loop of worry → checking → temporary relief → more worry.
It is not the same as being careful about your health. Checking a mole once or getting a routine test is normal. Health anxiety is when the checking and reassurance become frequent, time-consuming, and distressing — and when no amount of reassurance settles the worry for long.
An important detail: anxiety itself produces physical symptoms — headaches, a racing heart, tightness in the chest, tingling. People with health anxiety often mistake these normal anxiety symptoms for signs of serious illness, which fuels the loop.
Common signs of health anxiety
You may have health anxiety if you:
- constantly worry about your health, even when tests are normal
- frequently check your body for signs of illness — lumps, tingling, pain, moles
- often ask people for reassurance that you are not ill
- worry that a doctor or medical test may have missed something
- obsessively look at health information online or in the media
- avoid anything to do with serious illness — medical TV programmes, hospitals, news stories
- act as if you were ill, for example avoiding exercise or social plans
These signs are not a diagnosis — they are a pattern to notice. If several of them sound familiar and they are taking up hours of your week, the self-help steps below are a reasonable place to start.
Red flags: when to see a doctor first
Before trying self-help, see a doctor if any of these apply. These are not "health anxiety symptoms" — they are reasons to get a medical opinion:
- you have a new or changing physical symptom that has not been checked — pain, bleeding, a lump, unexplained weight loss, persistent fever
- you have chest pain, shortness of breath, or fainting — these need urgent assessment
- your worries are preventing you from living a normal life — missing work, avoiding leaving the house, unable to sleep
- self-help is not working and the worry is getting worse
- you are having thoughts of harming yourself — contact emergency services or a crisis line immediately
Seeing a doctor about a symptom is always reasonable. The goal of treatment is not to stop you ever seeing a doctor — it is to stop the worry from running your life.
What the evidence says about treatment
The evidence is consistent: CBT is the first-line psychological treatment for health anxiety. A systematic review and meta-analysis of CBT for health anxiety (Behavioural and Cognitive Psychotherapy, 2017) found significant improvement in health anxiety symptoms, and meta-analyses across two decades show moderate-to-large effects for anxiety presentations including health anxiety.
What this means in practice:
- CBT works by breaking the worry → checking → reassurance loop, not by "proving" you are healthy
- therapist-supported treatment is more effective than self-help alone for moderate-to-severe cases
- results typically take weeks, not days — and improvement continues after treatment ends
Evidence boundary: most studies measure symptom reduction over weeks to months. CBT is not a cure for every case, and some people benefit from combining therapy with medication for anxiety. No treatment promises instant or permanent relief.
Practical steps you can start this week
These are the self-help steps recommended by the NHS. They work best when done gradually and consistently — not all at once.
1. Keep a checking diary
For a few days, note how often you check your body, ask for reassurance, or look up health information. Then pick one behaviour and gradually reduce it over a week. The goal is not zero checking — it is fewer, more deliberate checks.
2. Challenge your thoughts with a two-column table
Write your health worry in one column, then a more balanced thought in the other. Example: "I'm worried about these headaches" → "Headaches can often be a sign of stress, and I've had them before without anything serious." The point is balance, not forced positivity.
3. Delay and distract
When you get the urge to check, wait 10 minutes and do something else — go for a walk, call a friend, make tea. The urge usually peaks and fades. Each time you delay, the loop weakens.
4. Return to normal activities
Gradually restart things you have been avoiding because of health worries — exercise, socialising, watching what you want. Avoidance keeps the fear alive; returning to activities teaches your brain the situation is safe.
5. Use breathing exercises for stress
Slow breathing (for example, breathe in for 4 counts, out for 6) can calm the physical symptoms of anxiety that get mistaken for illness. The NHS recommends breathing exercises for stress as a first-line relaxation tool.
What does not help
- Reassurance seeking — asking others "am I okay?" repeatedly. It feels good for minutes, then the worry returns stronger.
- Repeated testing — more scans and tests rarely settle health anxiety and can reinforce the loop.
- Dr. Google — obsessive online searching feeds the worry. If you must look something up, use one trusted source and set a time limit.
- Avoidance — avoiding anything illness-related makes the fear grow.
When to see a doctor and what to expect
See a GP if your worries are preventing a normal life or self-help is not working. You do not need to be "sure" you have health anxiety — describing the pattern is enough.
If a GP diagnoses health anxiety, they may refer you for a talking therapy such as CBT, or offer medicine for anxiety. In many health systems you can refer yourself directly to a talking therapies service without a GP referral. Private therapy is also an option; costs vary, and some charities offer free or low-cost sessions.
Sources
- NHS — Health anxiety: nhs.uk/mental-health/conditions/health-anxiety (page last reviewed 8 November 2023, accessed September 2026)
- NHS — Cognitive behavioural therapy (CBT): nhs.uk/tests-and-treatments/cognitive-behavioural-therapy-cbt
- NHS — Breathing exercises for stress: nhs.uk/mental-health/self-help/guides-tools-and-activities/breathing-exercises-for-stress
- Behavioural and Cognitive Psychotherapy (2017) — Cognitive Behaviour Therapy for Health Anxiety: A Systematic Review and Meta-Analysis, 45(2):110–123
- NHS Scotland Matrix — Health Anxiety evidence summary: matrix.nhs.scot
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