The U.S. Food and Drug Administration (FDA) has issued advisories to patients, families, and health professionals to closely watch for warning signs of suicidal behavior in children and adults younger than 25 who take antidepressants. The FDA also advises patients to watch for an increase in anxiety, panic attacks...

All medicines can cause side effects. Many people don't have side effects. And minor side effects sometimes go away after a while. But sometimes side effects can be a problem or can be serious. If you're having problems with side effects, talk to your doctor. Your doctor may be able to lower your dose or change to a...

Traveling while you are on oxygen therapy usually is possible if you plan ahead. Start by seeing your doctor several weeks to months before your travel date. Ask your doctor to: Figure out how much oxygen you will need. Complete the medical forms that are needed for travel. This may include at least one copy of your...

Make sure you know about each of the medicines you take. This includes why you take it, how to take it, what you can expect while you're taking it, and any warnings about the medicine. The information provided here is general. So be sure to read the information that came with your medicine. If you have any questions or...

Discusses how to work with your doctor, how to prepare for different types of appointments, and what to do after appointments. Includes questions to ask about recommended tests and treatments.

Easily find information on many medical conditions and health topics — including colds and flu, chronic conditions, heart health, and sleep problems.

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...

Pain can be caused by many things, such as an injury, a surgery, or a health problem like low back pain or cancer. Long-term pain that isn't controlled can make it harder to enjoy life. But there are ways you can learn to manage pain. And managing pain can have a lot of benefits, like being able to do more activities or...

Provides links to information about drug and alcohol misuse. Includes info on substance misuse in teens and adults and resources for cutting back or stopping drug and alcohol use.

Discusses allergic rhinitis. Covers common immediate and chronic symptoms. Looks at what increases risk. Covers treatment options. Offers prevention and treatment tips.

Use this form for any tests your doctor recommends, such as blood tests, urine tests, or X-rays. General questions What is the name of the test? Why do I need this test? What might happen if the test is delayed or not done? How accurate is the test? Are there other tests that are more accurate? How much does the test...

Provides links that give tips, like making the most of your appointment and getting better care at lower costs. Also includes links on understanding lab results and deciding whether to get a flu vaccine.

Provides links to information about the immune system. Includes info about immunizations, HIV and autoimmune disorders, arthritis, and multiple sclerosis.

Includes links to info on back and neck pain. Also includes links to info on drugs used to treat back and neck pain, and guides to help you decide among treatment options.

Provides links on nosebleeds, rashes, and blisters. Also includes topics addressing more serious first aid emergencies, such as choking rescues and sprained ankles.