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Conditions list medically reviewed by George Krucik, MD, MBA
A cold is a common viral infection of the upper respiratory tract–namely, your nose and throat. A runny or stuffy nose, sneezing, coughing, and sore throat are common…
Common colds and influenza are contagious infections that affect the respiratory system. Both are airborne illnesses, spread through coughing and sneezing. Shared…
A sinus infection, or sinusitis, is a common condition that affects 30 million people in the United States each year, according to the National Institute of Allergy and…
Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.
Fifth disease is common in children. It causes a red rash on the arms, legs, and cheeks, and a virus called parvovirus B19 causes it.
Agammaglobulinemia is an inherited immune system disorder in which the body is unable to produce antibodies.
Leishmaniasis is a parasitic disease caused by the Leishmania parasite found in sand flies.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.