Symptoms A-Z

Browse comprehensive, doctor-reviewed information on 4 health symptoms. Find possible causes, when to see a doctor, and recommended tests.

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Shortness of Breath

Shortness of breath (dyspnea) is the feeling that you can't get enough air. It can be caused by heart conditions, lung d...

Skin Rash

A skin rash is a change in the color or texture of the skin. Rashes can be caused by allergies, infections, autoimmune c...

Sore Throat

A sore throat is pain, scratchiness, or irritation of the throat that often worsens when swallowing. The most common cau...

Swelling

Swelling (edema) is the enlargement of organs, skin, or other body parts caused by a buildup of fluid in the tissues. It...