Conditions list medically reviewed by George Krucik, MD, MBA
Learn about what causes allergies, the different types of allergies, and how they're treated.
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.
Scarlet fever is an infection that can develop in people who have strep throat. Learn about the symptoms, treatment, complications, and prevention of scarlet fever.
MRSA is an infection caused by a type of staph bacteria that's resistant to many different antibiotics. Learn about its symptoms, causes, and treatment.
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.
Also known as varicella, chickenpox is a virus that often affects children. It is characterized by itchy red blisters that appear all over the body.
Hand, foot, and mouth disease is a viral infection that's common in children. Learn about symptoms, causes, treatment, and prevention.
Systemic lupus erythematosus, the most common form of lupus, is a chronic autoimmune disease that can cause severe fatigue and joint pain. Learn more about it.
German measles, also known as rubella, is a viral infection. Learn about German measles symptoms, causes, diagnosis, treatment, and prevention.
Infectious mononucleosis, or mono, refers to a group of symptoms usually caused by the Epstein-Barr virus (EBV).
Are your cold symptoms lasting longer than a week? Do you have walking pneumonia? Learn how to treat and prevent this condition.
Find information about chemical burns and how to prevent them. Learn about the causes, symptoms, and treatment of chemical burns.
Lyme disease is an infectious disease that's transmitted to humans through tick bites. Learn how Lyme disease is diagnosed and treated, and learn how to prevent tick…
An Addisonian crisis occurs when levels of cortisol suddenly drop. Learn more about an Addisonian crisis, including symptoms, risk factors, and treatment.
Leukemia is a cancer of the blood cells. Get the statistics on survival rates, find out the most common symptoms, diagnostic options, and treatments.
Weil's disease is a severe form of the bacterial infection leptospirosis. Learn how to lower your risk of getting this potentially life-threatening illness.
Learn about the causes and symptoms of the West Nile virus.
Ebola disease is a rare, often fatal illness. One of its late-stage symptoms is a bleeding rash over the entire body.
Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.
Severe acute respiratory syndrome (SARS) is a serious form of viral pneumonia. The virus that causes SARS was first identified in 2003.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.