Discusses ischemic stroke, hemorrhagic stroke, and TIA (transient ischemic attack). Describes stroke symptoms and importance of acting fast if symptoms develop. Covers stroke treatment and prevention.

Briefly discusses common causes of burns, such as heat, chemicals, and friction, and the seriousness of burn depth and size. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Briefly discusses the common causes of nausea and vomiting in children, including stomach illnesses and infections. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Briefly discusses the symptoms that can occur from insect or spider bites. Covers skin reactions, allergic reactions, and toxic reactions. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Briefly discusses symptoms and possible causes of abdominal pain, such as peptic ulcer disease, indigestion, appendicitis, and stomach flu. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

What is teen substance use? Many teens try substances like alcohol or drugs. Some try them only a few times and stop. Teens who keep using substances may form a strong need for them. This can lead to substance use disorder. Substances teens may try include tobacco, alcohol, marijuana or other drugs, household products...

Briefly discusses possible causes of mouth, tongue, or lip problems, including infections, sores, and health conditions. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Briefly discusses common allergies, including ones to food, medicine, insect stings, latex, and animals. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

What are colds? Colds are the most common infection of the nose, sinuses, or throat (upper respiratory infection). Colds are caused by viruses. They're spread by coughs, sneezes, and close contact. You can catch a cold at any time of year, but they're more common in late winter and early spring. There's no cure for...

Briefly discusses diarrhea in older children and adults. Covers causes and symptoms such as abdominal pain and black or bloody stools. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Briefly discusses the common causes of nausea and vomiting, including stomach illnesses, infections, health conditions, and medicines. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Discusses hyperthyroidism and what happens to the body's metabolism if the thyroid gland is overactive. Explains how Graves' disease usually causes an overactive thyroid. Describes symptoms. Covers exams and tests to diagnose it. Provides info on treatment.

Covers causes and symptoms of high blood pressure. Explains systolic and diastolic pressure numbers. Looks at treatment and prevention steps. Includes risks of untreated high blood pressure such as heart attack, stroke, and kidney failure.

Covers type 1 diabetes in children. Includes info on managing diabetes. Discusses using glucose monitors for blood glucose testing. Includes links to info on dealing with diabetes in school. Includes info on hypoglycemia and hyperglycemia.

Briefly discusses common causes that make a young baby or child cry. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

An allergic reaction is an overreaction of the immune system to a substance called an allergen. Allergens include chemicals, foods, medicines, mold, plants, and pollen. Symptoms of an allergic reaction can range from mild and annoying to severe and life-threatening. Allergens can affect different tissues in the body...

Diabetes is a condition in which sugar (glucose) remains in the blood rather than entering the body's cells to be used for energy. This results in high blood sugar. Over time, high blood sugar can damage many body systems. Symptoms of diabetes include increased thirst and frequent urination (especially at night)...

Briefly discusses common skin changes and possible causes including infection, health conditions, and medicines. Includes info on skin cancer. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Discusses causes of dementia, which include strokes, tumors, and Alzheimer's disease. Covers symptoms like memory loss and forgetfulness. Covers how dementia is diagnosed. Looks at treatment options. Covers issues for caregivers.

Covers birth control methods, including the pill, skin patch, Depo-Provera shot, condoms, cervical cap, and diaphragm. Provides questions to help you decide the right birth control method for you. Covers emergency contraception (the morning-after pill).

What is Down syndrome? Down syndrome is a genetic condition. It affects childhood growth and development. People who have it may share similar features and health issues. They may learn to talk later than other children and have some intellectual disability. But every person's experience is different. And everyone with...

Describes sickle cell disease. Covers causes and symptoms. Discusses how it is diagnosed. Covers treatment as the disease progresses, including with surgery or medicines like hydroxyurea. Offers home treatment tips.

Briefly discusses causes of facial problems, including skin conditions and infections, and health conditions with facial symptoms. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

Briefly discusses types of cold temperature exposure and related symptoms. Offers interactive tool to help decide when to seek care. Also offers home treatment tips.

A computed tomography (CT) scan uses X-rays to make pictures of the head and face. During the test, you will lie on a table that is attached to the CT scanner, which is a large doughnut-shaped machine. Your head will be positioned inside the scanner.