A computed tomography (CT) scan uses X-rays to make detailed pictures of structures inside of the body. During the test, you lie on a table that is attached to the CT scanner, which is a large doughnut-shaped machine. The CT scanner sends X-ray pulses through the body. Each pulse lasts less than a second and takes a...

Over-the-counter (OTC) medicines are medicines you can buy without a doctor's prescription. This doesn't mean that OTC medicines are harmless. Like prescription medicines, OTCs can be very dangerous for children if not taken the right way. Be sure to read the package instructions on OTC medicines carefully. Talk to your...

Severe dehydration means: Your mouth and eyes may be extremely dry. You may pass little or no urine for 12 or more hours. You may not feel alert or be able to think clearly. You may be too weak or dizzy to stand. You may pass out. Severe dehydration is a medical emergency and requires emergency treatment. Call or other...

Anesthesia is a way to control pain using anesthetic medicine. General anesthesia, which can be injected into a vein or inhaled, affects the entire body and makes the person unconscious. A person under general anesthesia is completely unaware of what is going on and does not feel pain during the surgery or procedure...

Information on type 2 diabetes. Describes how insulin is made and used by the body. Describes symptoms and how type 2 is treated. Provides info on blood sugar (glucose) levels. Discusses obesity's role in type 2 diabetes. Discusses exercise and diet.

Includes tips to comfort a child before a medical test. Offers tips based on age, from newborns through the teen years.

What kinds of development occur in your baby's first month? Amazing changes are happening in your newborn's development. Babies' brains develop quickly, as they begin to think, learn, and remember. Newborns listen to and learn the sounds of language. They can communicate with sounds and facial expressions. Newborns also...

Cold and heat therapies are treatments that use cold or heat to help with pain, soreness, muscle spasms, swelling, and inflammation. There are different ways you can do cold and heat therapies. For example, you might use an ice pack for cold therapy or an electric heating pad for heat therapy. Most people like to use...

Nonsteroidal anti-inflammatory drugs (NSAIDs) are used to relieve pain and fever and to reduce swelling and inflammation caused by injury or diseases such as arthritis. Aspirin, ibuprofen, ketoprofen, and naproxen are commonly used NSAIDs. NSAIDs may cause side effects. The most common are stomach upset, heartburn, and...

Antibodies are proteins made by the body's natural defense system (immune system) to fight foreign substances, such as bacteria. Antibodies attach themselves to the foreign substance, allowing other immune system cells to attack and destroy the substance. The surfaces of viruses, fungi, and bacteria contain markers...

Depression is an illness that makes you feel sad, lose interest in things you used to enjoy, withdraw from others, and have little energy. It's more than normal sadness, grief, or low energy. Most people get better with medicine, counseling, or a combination of the two. After you have had an episode of depression, you...

Hand-washing is more than just running water over your hands. Washing your hands with soap and water is one of the best ways to prevent the spread of infections. It helps prevent diseases, such as colds, flu, and food poisoning. It's easy. It doesn't cost much. And it works. When should you wash your hands? Wash your...

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...

Covers causes and symptoms of asthma in teens and adults. Includes info on avoiding triggers and treating attacks. Looks at treatment with controller medicine. Covers delivery systems that include metered-dose and dry powder inhalers and nebulizers.