Symptom checker

Pick a body area or search your symptom — see what it usually means, the red flags that need a doctor, and who to see.

Chest pain, stroke signs, or heavy bleeding? Get emergency help now — don't use a checker.MORE

Also: severe breathlessness, face drooping or one-sided weakness, sudden severe headache, fainting that doesn't resolve, or a seizure.

1Pick a body area

2Tap the symptoms that apply

This checker is a navigator, not a diagnosis — symptoms overlap between many conditions, and only a clinician who can examine you can tell them apart. If something feels seriously wrong, trust that feeling and get seen. Prefer reading first? Browse all symptom guides A–Z.