Symptoms
What a symptom can mean, and which ones need seeing about today.
4 pages
Chest Pain
What chest pain can mean, which features suggest a heart cause, and when to call 911.
Headache
The common headache types, and the specific features that mean a headache needs urgent care.
Persistent Cough
How long a cough should last, when a lingering cough needs a doctor, and which features need urgent care.
Persistent Fatigue
The common medical causes of ongoing tiredness, the blood tests usually done, and when it needs urgent care.