Reading room · 9 min
Hypochondria, in plain English.
The word does a lot of damage. It sounds like a character flaw — someone who "makes things up." It isn't. Hypochondria is an old name for what clinicians now call illness anxiety disorder: a recognised, treatable pattern in which the brain's threat system keeps flagging ordinary body sensations as evidence of something serious.
The clinical picture
In the DSM-5, two diagnoses replaced the old hypochondriasis category: illness anxiety disorder (preoccupation with having an illness, few or no actual symptoms) and somatic symptom disorder (real physical symptoms plus disproportionate worry about them). ICD-10 still uses the name hypochondriasis. The label matters less than the pattern: persistent, distressing, life-narrowing worry about health that doesn't respond to medical reassurance.
How the loop works
A sensation appears — a twinge in the chest, a new mole, a headache that feels different. Attention narrows onto it. The brain hunts for an explanation. Google suggests one. The body responds to the threat interpretation with more adrenaline, more muscle tension, more sensation. The new sensation feels like confirmation. You check, search, ask, repeat. The relief from reassurance lasts minutes. The loop tightens.
What actually helps
- CBT for health anxiety — the strongest evidence. Typically 6–16 sessions.
- Self-guided CBT — apps and workbooks help mild-to-moderate cases.
- SSRIs — useful where anxiety is severe or co-occurs with depression.
- Reducing reassurance behaviours — less Googling and fewer "is this normal?" texts lowers anxiety over weeks.
What doesn't help
- More tests, when the previous tests were clear.
- Searching the symptom one more time, just to be sure.
- Being told to "stop worrying."
- Avoidance — skipping the GP, the news, the dentist.
Frequently asked
What is a hypochondriac?
Someone preoccupied with the fear they have, or will develop, a serious illness — despite medical reassurance. Clinically: illness anxiety disorder (DSM-5) or hypochondriasis (ICD-10).
Is hypochondria a mental illness?
Yes. It's classified as an anxiety-related disorder. It is not attention-seeking and not under voluntary control. It responds well to CBT.
What's the difference between hypochondria and health anxiety?
They overlap. Health anxiety is the everyday term; hypochondriasis / illness anxiety disorder is the formal clinical label when worry is persistent and life-interfering for six months or more.
What causes hypochondria?
No single cause. Common contributors: an early experience of illness, an anxious temperament, intolerance of uncertainty, a habit of symptom-searching, and a nervous system that reads ordinary sensations as threats.
Can hypochondria be cured?
CBT for health anxiety has the strongest evidence — most people see a substantial drop in symptoms within 6–16 sessions. SSRIs can help when anxiety is severe.
Take the 2-minute self-check
A short reflection based on the Health Anxiety Inventory used in NHS Talking Therapies. Private, on-device.
Reviewed against NICE guidance on generalised and health anxiety. Not a substitute for medical care. If you're in crisis, call Samaritans on 116 123 (UK, 24/7).