Conditions list medically reviewed by George Krucik, MD, MBA
Food poisoning occurs when you consume foods contaminated with bacteria, viruses, or parasites. Symptoms are usually uncomfortable but not severe.
Menstruation occurs when the uterus sheds its lining once a month. The lining passes through a small opening in the cervix and out through the vaginal canal.
Premenstrual syndrome causes a wide variety of emotional and physical symptoms. Learn more about it.
Endometriosis is a disorder in which the tissue that forms the lining of your uterus grows outside of your uterine cavity. The lining is called the endometrium.
Giardiasis is an infection in your small intestine caused by microscopic parasites called giardia. Read on to learn more about it.
Learn about what causes allergies, the different types of allergies, and how they're treated.
Shigellosis is a bacterial infection that affects the digestive system. The Shigella bacterium is spread through contact with contaminated feces.
Infectious mononucleosis, or mono, refers to a group of symptoms usually caused by the Epstein-Barr virus (EBV).
Hepatitis A is inflammation of the liver caused by the hepatitis A virus. This is an acute (short-term) type of hepatitis, which usually requires no treatment.
An Addisonian crisis occurs when levels of cortisol suddenly drop. Learn more about an Addisonian crisis, including symptoms, risk factors, and treatment.
Learn about the causes and symptoms of the West Nile virus.
Diabetic ketoacidosis (DKA) is a serious complication of type 1 diabetes, though it can also rarely be seen in people with type 2 diabetes.
HELLP syndrome is a group of symptoms that can develop in pregnant women. Learn about HELLP syndrome, risk factors, diagnosis, and treatment.
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.
Ebola disease is a rare, often fatal illness. One of its late-stage symptoms is a bleeding rash over the entire body.
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.
Preeclampsia is when you have high blood pressure and protein in your urine during pregnancy. It can be dangerous for both you and your baby. Learn about its symptoms…
Yellow fever is a serious, potentially deadly flu-like disease spread by mosquitoes. It's characterized by a high fever and jaundice. It isn't curable.
Q fever is an infection caused by the bacteria Coxiella burnetii. The bacteria are most commonly found in cattle, sheep, and goats.
A transfusion reaction is when your body has an adverse response to a blood transfusion. Learn how transfusion reactions occur and how to minimize your risk.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.