Conditions list medically reviewed by George Krucik, MD, MBA
Epilepsy is a chronic disorder that causes unprovoked, recurrent seizures. Find out what causes it, who's at risk, how it's diagnosed, and more.
Malignant hypertension is a rare and severe condition in which blood pressure is dangerously high. Learn more about symptoms and treatments.
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.
There are many types of skull fractures, but only one major cause. Get the facts on fractures and learn about diagnosis and treatment.
Encephalitis is inflammation of the brain tissue. It's most often caused by viral infections. In some cases, bacterial infections can also cause encephalitis.
Subarachnoid hemorrhage (SAH) refers to bleeding within the subarachnoid space, which is the area between your brain and the tissues that cover it.
An epidural hematoma happens when a mass of blood forms between your skull and brain. Learn how to prevent and treat this life-threatening condition.
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…
A subdural hematoma occurs when blood collects on your brain's surface beneath the skull. They usually result from a head injury.
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…
The recommended amount of caffeine is usually 400 mg per day for healthy adults. Caffeine overdose may occur if you ingest more than this amount.
Chronic kidney disease (CKD) is progressive and irreversible damage to the kidneys. The most common causes of CKD are high blood pressure and diabetes.
Learn about carbon monoxide poisoning and what causes it. Find information on carbon monoxide symptoms, diagnosis, treatment, and prevention.
Toxic shock syndrome is a rare but serious condition caused by a bacterial infection. Read more about its causes and symptoms and when to see a doctor.
Shaken baby syndrome is caused by forcefully and violently shaking a baby. Learn about shaken baby syndrome symptoms, diagnosis, and treatment.
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.
Ebola disease is a rare, often fatal illness. One of its late-stage symptoms is a bleeding rash over the entire body.
An adrenergic bronchodilators overdose is when you take too much of a certain kind of asthma medication.
Taking too much acetaminophen can cause liver damage. Learn about overdose causes, treatment, prevention, and more.
In end-stage kidney disease, also known as end-stage renal disease (ESRD), the kidneys are functioning below 10 percent of their normal function.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.