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.
A stroke is a medical emergency that requires immediate medical care. Learn about the signs of a stroke and what to do.
Subarachnoid hemorrhage (SAH) refers to bleeding within the subarachnoid space, which is the area between your brain and the tissues that cover it.
Learn about migraine types, symptoms, triggers, and treatments as well as how they are different from regular headaches.
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.
An aneurysm in the brain is a weak area in an artery in the brain that bulges out and fills with blood. It can be unpredictable and life-threatening, and can cause…
Temporal arteritis occurs when the temporal arteries, which supply blood to the head and brain, become inflamed or damaged.
Vertebrobasilar circulatory disorders are a group of diseases in which not enough blood is supplied to the back of the brain. Read about the symptoms.
Intracerebral hemorrhage (ICH) is when blood suddenly bursts into brain tissue, causing damage to the brain. Symptoms usually appear suddenly during ICH.
Eclampsia is a rare but serious condition that causes seizures during pregnancy. You can develop eclampsia even if you don't have a history of seizures.
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.
Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.
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.
High blood pressure can damage the retina's blood vessels and limit the retina's function. It can also put pressure on the optic nerve.
The pituitary gland is a pea-size gland important to the functioning of the human body. Cancer, although rare, can develop in this gland.
If you have an injured eye or a foreign object in your eye, you'll likely need to seek medical attention right away. Here's what to look out for in eye emergencies.
Gigantism is a rare condition that causes abnormal growth in children. It occurs when your child's body produces far too much growth hormone.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.