Health Information Library

Learn about the causes, symptoms and treatments of this itchy rash that most often begins before age 5, is persistent, and has periods of clearing and relapse.

A sprained ankle usually can be treated with at-home care and exercises to get you back on your feet.

When your memory suddenly disappears, it can be frightening — but transient global amnesia is typically temporary and harmless.

People who get up and walk around while sleeping may not need treatment. But if it happens often, it could be a sleep disorder that needs treatment.

Nightmare disorder involves disturbing or scary dreams that awaken you, causing distress or preventing adequate sleep.

These are times of screaming or crying, intense fear, and sometimes waving arms and legs during sleep. The person often sits up in bed, looking scared.

Find out what happens when the immune system reacts to proteins in milk, causing allergic signs and symptoms such as hives and wheezing.

A severe bacterial infection or lack of blood flow can cause body tissue to die. Know the warning signs and symptoms of this life-threatening condition.

This condition is due to missing part of chromosome 22. It may cause heart issues, thyroid problems, cleft palate, lower immunity and other health problems.

This potentially serious condition can occur with few or no symptoms. Know the risk factors.

Contact with certain substances, such as poison ivy, skin lotions and detergents, can cause an itchy rash. Here's how to manage this common form of dermatitis.

Frequent infections could mean that you have an immune system disorder. The conditions in this category are usually caused by genetic changes.

Most strains of this bacteria are harmless, but some can cause serious symptoms. Learn about symptoms and treatment of this common foodborne illness.

Male menopause is a catchy phrase, but it isn't accurate. Here's why.

Overcome negative self-talk and low self-esteem by using techniques from mental health counseling.