Conditions list medically reviewed by George Krucik, MD, MBA
Common colds and influenza are contagious infections that affect the respiratory system. Both are airborne illnesses, spread through coughing and sneezing. Shared…
There are two main types of lung cancer: non-small cell and small-cell. Learn about how these lung cancers are caused, your treatment options, and more.
Dermatomyositis is a rare inflammatory disease. It's an inflammatory myopathy, which is a condition that occurs when your muscles become inflamed.
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.
Swine flu, or H1N1, is highly contagious and can spread quickly from person to person. A simple sneeze may cause thousands of germs to spread through the air.
Polymyalgia rheumatica is an inflammatory disorder that causes muscle pain and stiffness. Learn about its symptoms, diagnosis, and treatment.
Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.
Poliomyelitis, or polio, is a highly contagious disease that is caused by a virus that attacks the body's nervous system.
Non-small cell lung cancer (NSCLC) is the most common type of lung cancer. Learn more about it.
Infectious mononucleosis, or mono, refers to a group of symptoms usually caused by the Epstein-Barr virus (EBV).
Pulmonary fibrosis is a condition that causes lung scarring, and stiffness. Learn about the causes, symptoms, and treatment options.
Histoplasmosis is a type of lung infection. It is caused by inhaling fungal spores. Spores are found in soil and in the droppings of bats and birds.
Aspergillosis is an infection, allergic reaction, or fungal growth caused by the Aspergillus fungus.
Red blood cells are normally shaped like discs, which allows them to travel through blood vessels. Sickle cell disease causes red blood cells to be sickle-shaped. Read…
Myocarditis is inflammation of the heart muscle. It is a rare condition that can be caused by any number of autoimmune diseases, viral, bacterial, or fungal infections…
Legionnaires' disease is a severe type of pneumonia, or lung infection. Learn about its symptoms, causes, treatment, and prevention.
Valley fever is an infection caused by the Coccidioides fungus. Learn about valley fever symptoms, causes, treatment, prevention, and more.
Vasculitis is inflammation of blood vessels. It can damage blood vessels by thickening, scarring, and weakening the cell walls.
Systemic sclerosis (SS) is an autoimmune disorder in which the body's immune system attacks the body.
Lupus is an autoimmune disease. Learn about the symptoms, causes, and treatment options.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.