Symptom checker

Answer a few questions and describe what you are experiencing. You will get a list of possible causes and advice on how urgently to seek care.

First: do any of these apply right now?

Chest pain or pressure, especially spreading to the arm, jaw or backSevere difficulty breathing, or lips or face turning blueSudden face drooping, arm or leg weakness, or trouble speaking or understandingFainting, unresponsiveness, a seizure, or sudden severe confusionHeavy bleeding that does not stop, or vomiting or coughing up bloodSwelling of the face, lips or throat after a sting, food or medicineSudden, extremely severe headache ("worst ever") or a stiff neck with feverThoughts of harming yourself or ending your life

About you

Age

Sex assigned at birth

Symptoms started

Describe your symptoms

Where it hurts, what it feels like, what makes it better or worse, anything else you noticed. Please do not include your name or other identifying details.

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I understand that codiag gives general information, not a medical diagnosis, and does not replace a doctor. I have read the medical disclaimer and the privacy notice .