Conditions list medically reviewed by George Krucik, MD, MBA
Low blood sodium, or hyponatremia, occurs when water and sodium are out of balance in your body. It can cause weakness, headache, nausea, and muscle cramps.
Heat emergencies are health crises caused by exposure to hot weather and sun. Heat emergencies have three stages: heat cramps, heat exhaustion, and heatstroke.
Infectious mononucleosis, or mono, refers to a group of symptoms usually caused by the Epstein-Barr virus (EBV).
Hypoglycemia, or low blood sugar, is a potentially dangerous condition that's most common in people with diabetes. Learn what causes it and how to prevent it.
Hypopituitarism occurs when your pituitary gland in your brain is not releasing one or more of the eight hormones it should be releasing.
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.
A brain tumor is the growth of abnormal cells in your brain. Whether the growth is cancerous or not, any brain tumor is serious. Symptoms can include both cognitive and…
In end-stage kidney disease, also known as end-stage renal disease (ESRD), the kidneys are functioning below 10 percent of their normal function.
Ebola disease is a rare, often fatal illness. One of its late-stage symptoms is a bleeding rash over the entire body.
Glomerulonephritis is a serious illness that can stop your kidneys from functioning properly. Learn how this condition is diagnosed and treated.
Celiac disease is a digestive disorder caused by an abnormal immune reaction to gluten. Learn about celiac disease systems, diagnosis, and treatment.
Medullary cystic kidney disease is a rare condition that causes cysts to form on kidneys. Kidney failure may result, symptoms of which can include changes in skin color…
Malaria is a life-threatening disease that's typically transmitted through the bite of an infected Anopheles mosquito. Learn more about symptoms, diagnosis, and…
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.