Conditions list medically reviewed by George Krucik, MD, MBA
Rheumatic fever is a complication of strep throat. If it's left untreated, it can cause permanent damage to your heart. Find out about symptoms and treatment.
Polyarteritis nodosa (PAN) is a serious but rare disease of the blood vessels caused by an immune system malfunction.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.