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Mediscanner Symptom Checker

The free Mediscanner symptom checker runs entirely in your browser. Select what you're feeling from the common symptoms below, or type your own — the Mediscanner symptom checker ranks 268 viruses by how closely they match your symptoms, for information only.

This is not a diagnosis. Symptom overlap does not confirm any condition. If you feel seriously unwell, contact a doctor or your local emergency number straight away.

Common symptoms

Tap any that apply — pick as many as you like.

Add another symptom