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.
A stroke is a medical emergency that requires immediate medical care. Learn about the signs of a stroke and what to do.
A head injury is an injury to your brain, skull, or scalp. All head injuries should be treated seriously and assessed by a doctor. Get the facts about 6 major types.
Find out what you need to know about orthostatic hypotension - the sudden drop in blood pressure when you stand up that can make you feel faint.
High blood pressure is often associated with few or no symptoms. Many people have it for years without knowing it.
Digitalis toxicity occurs when you take too much digitalis, a medication used to treat heart conditions.
A transient ischemic attack (TIA) occurs when there's a sudden lack of blood flow to your brain. Learn about TIA symptoms, treatment, and prevention.
Subarachnoid hemorrhage (SAH) refers to bleeding within the subarachnoid space, which is the area between your brain and the tissues that cover 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…
Primary cerebral lymphoma, or brain lymphoma, is a rare cancer that starts in the lymph tissues of the brain or spinal cord.
Wernicke-Korsakoff syndrome is a brain disorder caused by a lack of vitamin B-1. The syndrome is two separate conditions that can occur at the same time.
Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.
Creutzfeldt-Jakob disease is an infectious disease that causes the brain to degenerate. Learn about causes, symptoms, and its connection to "mad cow disease."
Reye's syndrome is a rare condition that strikes without warning. It most often affects children ages 4 to 12 who are recovering from a viral infection.
Malignant hypertension is a rare and severe condition in which blood pressure is dangerously high. Learn more about symptoms and treatments.
A bite from a venomous snake should always be treated as a medical emergency. Even a bite from a harmless snake can lead to an allergic reaction or infection.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.