These headaches are sudden and severe, and can warn of a life-threatening condition — so seek immediate medical attention.
A blocked intestine needs prompt medical care. Learn about symptoms and the wide range of causes for this serious but treatable digestive disorder.
Living wills and other advance directives describe your treatment preferences in end-of-life situations when you can't speak for yourself.
Find out about symptoms and treatment for toxic hepatitis — liver inflammation caused by exposure to certain substances, such as alcohol or medications.
A torn blood vessel in the heart can cause a heart attack. Learn how doctors diagnose and treat this medical emergency.
Headaches in children aren't usually serious, and can often be managed with medications and healthy habits.
Learn more about female sexual difficulties — what causes them and possible treatments, including medications.
This rapid heart rate can be a life-threatening medical emergency. Know the warning signs and how it's treated.
Watch for these heart attack symptoms.
Turner syndrome affects only females as the result of a missing or partially missing X chromosome, causing a variety of medical and developmental problems.