Conditions list medically reviewed by George Krucik, MD, MBA
Shingles is an infection caused by the varicella-zoster virus, which is the same virus that causes chickenpox. Chickenpox can live on in your nervous tissues.
Infectious mononucleosis, or mono, refers to a group of symptoms usually caused by the Epstein-Barr virus (EBV).
Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.