Medically reviewed by Dr Richard Bowskill, consultant psychiatrist
Published: 7 August 2026 · Last reviewed: 7 August 2026
Health anxiety is a persistent, distressing preoccupation with the fear that you have, or are about to develop, a serious illness, out of proportion to any real medical risk. It is a recognised and very common form of anxiety, closely related to obsessive compulsive disorder, and it is highly treatable. If worry about your health is taking over your days, you are not being dramatic, and you are not alone.
The engine is a cycle. A normal bodily sensation, a skipped heartbeat, a headache, a new patch of skin, triggers a frightening thought, which fuels anxiety. Anxiety then produces more physical sensations through the body’s stress response, and those seem to confirm the fear. Checking, googling and asking for reassurance calm the fear for a few minutes, then feed it.
The most useful first step is to notice how often you check your body, look up symptoms, or ask other people for reassurance, and to begin gently reducing it rather than adding more. If health worries are affecting your sleep, work or relationships, it is worth talking to a professional. The most effective treatment is a talking therapy, cognitive behavioural therapy, not another round of tests.
Below, we explain why the symptoms feel so real, why reassurance backfires, whether health anxiety can be cured, how it overlaps with OCD, and when to seek help.
Are the physical symptoms of health anxiety real?
Yes. Health anxiety produces genuine physical symptoms through the body’s stress response. They are not imagined, even though they are not caused by disease.
When you feel under threat, your body releases adrenaline and shifts into a state of high alert. That can cause a racing or pounding heart, chest tightness, dizziness, breathlessness, stomach upset, muscle tension and tingling. The NHS notes that anxiety itself can cause symptoms such as a fast heartbeat, which you may then mistake for a sign of illness. Health anxiety also makes you hypervigilant, so you notice ordinary sensations most people filter out, and read them as danger. The symptoms are real; the interpretation is what has gone awry.
Why do checking and googling make health anxiety worse?
Because reassurance only lasts minutes. Every check, search or question lowers your anxiety briefly, then teaches your brain that it needed doing, so the urge comes back stronger.
Body-checking, repeatedly searching symptoms online, and asking family, friends or doctors for reassurance all feel like sensible responses. In the short term they bring relief, which is exactly why they are so hard to resist. The problem is that they train your brain to treat uncertainty as an emergency, so the cycle tightens and your world narrows around your health. This is the single most important thing to understand about health anxiety, and it is the part most quick-fix advice leaves out. Breaking the loop means learning to sit with uncertainty rather than chasing certainty that never quite arrives.
Can health anxiety be cured?
Health anxiety may not vanish overnight, but it is highly treatable, and most people gain substantial, lasting relief, usually through therapy rather than more medical tests.
It helps to reframe what recovery means. The goal is not to reach absolute certainty that you are well, because no test can promise that. The goal is to change your relationship with uncertainty so health worries no longer run your days. Cognitive behavioural therapy is the most effective approach, and it works by targeting the very patterns that keep health anxiety going, the catastrophic interpretations, the hypervigilance, and the checking and avoidance. Where anxiety is severe or tangled up with low mood, a consultant psychiatrist can assess the fuller picture and help shape a plan alongside therapy.
Health anxiety and OCD: what is the link?
Health anxiety shares the same engine as obsessive compulsive disorder, intrusive fears followed by compulsive checking or reassurance, which is why the NHS describes it as related to OCD.
In OCD the feared outcome varies widely; in health anxiety it is specifically illness. The mechanism, though, is strikingly similar: a distressing thought, rising anxiety, and a compulsion that relieves it briefly while strengthening it over time. This overlap matters because the treatment overlaps too, so an approach that reduces checking and reassurance-seeking helps in both.
When should you get help for health anxiety?
Seek help when health worries dominate your thinking, drive repeated checking or appointments, or interfere with daily life. You do not have to wait until it feels severe.
If you recognise the cycle in yourself, that is reason enough to talk to someone. Our private counselling and talking therapies can help you understand what is keeping the anxiety going and build practical ways out of it, and if you are unsure where to start, our guide to preparing for your first counselling session may help. If your distress ever feels overwhelming, you do not need to wait for an appointment: contact your GP, call NHS 111, or call the Samaritans free on 116 123.
Common questions
Yes. Health anxiety is a recognised anxiety condition, closely related to obsessive compulsive disorder. It is common, it is not a sign of weakness, and it responds well to the right treatment, most often cognitive behavioural therapy.
Yes. Anxiety triggers the body’s stress response, which can cause a racing heart, dizziness, chest tightness, stomach upset and tingling. These sensations are genuine, they are simply produced by anxiety rather than by the illness you fear.
Most people gain substantial and lasting relief, usually through cognitive behavioural therapy. The aim is not to remove all uncertainty but to change how you respond to it, so that health worries no longer control your days.
They are closely related and share the same cycle of intrusive fear and compulsive checking or reassurance. Health anxiety focuses specifically on illness, and the NHS describes it as related to obsessive compulsive disorder.
Start by tracking how often you check, search or seek reassurance, then reduce it gradually rather than stopping all at once. This tends to feel harder before it feels easier, and a CBT therapist can guide the process safely.
About the reviewer
This article was medically reviewed by Dr Richard Bowskill, a consultant psychiatrist and co-founder of Flint Healthcare, GMC-registered and a member of the Royal College of Psychiatrists, with many years of experience assessing and treating mood and anxiety conditions in Brighton and online.
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