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 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.
There are many types of skull fractures, but only one major cause. Get the facts on fractures and learn about diagnosis and treatment.
Alzheimer's disease (AD), the most common cause of dementia, is a progressive brain disorder. Learn about the causes, signs and research being done about AD.
Chronic fatigue syndrome (CFS) is a debilitating disorder characterized by extreme tiredness that can't be explained by an underlying medical condition.
Concussions can cause serious symptoms that require medical treatment. A concussion is a traumatic brain injury that results in an altered mental state.
A drug allergy is an allergic reaction to a medication. Find out how to know if you have one and what to do about it.
Subarachnoid hemorrhage (SAH) refers to bleeding within the subarachnoid space, which is the area between your brain and the tissues that cover it.
Find out what you need to know about dementia, and learn how it's different from ordinary aging.
Encephalitis is inflammation of the brain tissue. It's most often caused by viral infections. In some cases, bacterial infections can also cause encephalitis.
Alcohol withdrawal syndrome refers to the symptoms experienced when a heavy drinker drastically reduces or stops their alcohol intake.
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.
Learn about carbon monoxide poisoning and what causes it. Find information on carbon monoxide symptoms, diagnosis, treatment, and prevention.
Huntington's disease is a hereditary condition in which your brain's nerve cells gradually break down. It can cause physical and psychological symptoms.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.