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...

Magnetic resonance imaging (MRI) is a test that uses a magnetic field and pulses of radio wave energy to make pictures of organs and structures inside the body. In many cases, MRI gives different information about structures in the body than can be seen with an X-ray, ultrasound, or computed tomography (CT) scan. MRI...

What are immunizations? Immunizations help keep you and your child from getting certain diseases that can be spread to other people (infectious diseases). They also help reduce the spread of disease to others and prevent epidemics. Immunizations are also called vaccines or vaccinations. If you get a vaccine, it may not...

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...

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.

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.

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...

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.

When you're dealing with everyday problems, stress, or health issues, it's important to have people in your life who can give you support. You may need a shoulder to cry on or someone to talk to. It's also important to have social support when you're dealing with major life events or managing a serious health condition...

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...

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...

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...

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