Health anxiety: when tests help and when they don't

Health anxiety is persistent worry about having a serious illness that continues even after normal examinations and tests. Tests help when a symptom is new, lasting or comes with warning signs. When they are used only to calm the fear, the relief is short and the worry returns. Cognitive behavioural therapy is the treatment with the best evidence.

This guide, by Dr. Pedro Yelamo Vera, a GP licensed in Spain, explains how health anxiety works and how to tell when a test is worth doing.

What does health anxiety feel like?

• Frequent worry that a normal body sensation is a sign of cancer, heart disease or another serious illness.
• Checking your body often: pulse, lumps, skin, moles.
• Searching symptoms online for long periods.
• Asking for repeated tests or second opinions, or avoiding doctors altogether.
• Relief after a normal result that fades within days.

Many people also have physical anxiety symptoms, such as a racing heart, tight chest, tingling or stomach upset, which then seem to confirm the fear.

Why do more tests often make it worse?

Each test brings short relief, and that relief rewards the checking. Over time the brain learns that safety only comes from another test. Tests can also find small, harmless changes that create new worries. This is why doctors and patients agree a plan instead of testing every new fear.

When is a test really needed?

A test is useful when the symptom itself justifies it:

• It is new and lasts more than a few weeks, or keeps getting worse.
• It comes with warning signs: unexplained weight loss, bleeding, fever, a lump that grows, or night sweats.
• It fits a pattern a doctor recognises from the examination.

A test is less likely to help when the same symptom has already been checked, nothing has changed and the main driver is fear.

What helps?

• Cognitive behavioural therapy: it helps you notice anxious thoughts, reduce checking and tolerate uncertainty. It has the strongest evidence.
• One regular doctor: planned follow-up visits, instead of urgent visits for each new worry.
• Limits on checking and searching, agreed in advance.
• Treating anxiety or depression if they are present, sometimes with medicine.

How can an online GP help?

Dr. Pedro Yelamo Vera can review your symptoms and earlier results in English or Spanish, explain what they mean and agree when a test is or is not needed. He can also help you find psychological support. Book a video visit or ask by eConsult. Related: anxiety and depression follow-up in Spain and the PHQ-9 depression test. Related: anxiety care.

If anxiety becomes unbearable or you have thoughts of harming yourself, call 024 in Spain, free and available 24 hours, or 112 in an emergency.

This article is general information and does not replace an individual medical assessment. Written by Dr. Pedro Yelamo Vera, GP licensed in Spain (Colegiado No. 484814280).

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