Conditions list medically reviewed by George Krucik, MD, MBA
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.
High blood pressure is often associated with few or no symptoms. Many people have it for years without knowing it.
Migraine is a disorder characterized by repeated attacks of severe headache. Symptoms include throbbing or pulsating pain, usually on only one side of the head, and can…
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.
Temporal arteritis occurs when the temporal arteries, which supply blood to the head and brain, become inflamed or damaged.
Hypopituitarism occurs when your pituitary gland in your brain is not releasing one or more of the eight hormones it should be releasing.
Leukemia is a cancer of the blood cells. Get the statistics on survival rates, find out the most common symptoms, diagnostic options, and treatments.
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…
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…
Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.
Hypovolemic shock (hemorrhagic shock) is a life-threatening condition that results when you lose more than 20 percent of your body's blood or fluid supply, preventing…
Malignant hypertension is a rare and severe condition in which blood pressure is dangerously high. Learn more about symptoms and treatments.
Polycythemia vera is a bone marrow disorder in which the body produces too many red blood cells. Here's what you need to know about this rare condition.
If left untreated, HIV can lead to AIDS. AIDS weakens your immune system to the point where it can no longer fight off disease and infection. Learn more.
The pituitary gland is a pea-size gland important to the functioning of the human body. Cancer, although rare, can develop in this gland.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.