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Abdominal Pain

Your abdomen extends from below your chest to your groin. Some people call it the stomach, but your abdomen contains many other important organs. Pain…

Accutane

Accutane is a form of vitamin A. It reduces the amount of oil released by oil glands in your skin, and helps your skin renew…

Acetaminophen

Paracetamol, also known as acetaminophen or APAP, is a widely used over-the-counter pain medication and medication to reduce fever.[8][9] It is commonly used to help…

Acupuncture

Acupuncture has been practiced in China and other Asian countries for thousands of years. Acupuncture involves stimulating specific points on the body. This is most…

Advil

What is Advil? Advil (ibuprofen) is a nonsteroidal anti-inflammatory drug (NSAID). Ibuprofen works by reducing hormones that cause inflammation and pain in the body. Advil…

Alcohol

For most adults, moderate alcohol use is probably not harmful. However, about 18 million adult Americans have an alcohol use disorder. This means that their…

Aleve

What is Aleve? Aleve (naproxen) is a nonsteroidal anti-inflammatory drug (NSAID). Naproxen works by reducing hormones that cause inflammation and pain in the body. Aleve…

Alkaloid

Alkaloids are a group of naturally occurring chemical compounds that contain mostly basic nitrogen atoms. This group also includes some related compounds with neutral and even…

Allergy

An allergy is a reaction by your immune system to something that does not bother most other people. People who have allergies often are sensitive…

Anabolic Steroids

Anabolic steroids are man-made substances related to male sex hormones. Doctors use anabolic steroids to treat some hormone problems in men, delayed puberty, and muscle…

Analgesic

An analgesic or painkiller is any member of the group of drugs used to achieve analgesia, relief from pain.  Analgesic drugs act in various ways…

Anesthesia

If you are having surgery, your doctor will give you medicine called an anesthetic. Anesthetics reduce or prevent pain. There are three main types: Local…

Anesthetic

An anesthetic (anaesthetic or anæsthetic in British English) is a drug that causes anesthesia, which is a reversible loss of sensation. Anesthetics contrast with analgesics…

Angina

Angina is chest pain or discomfort you feel when there is not enough blood flow to your heart muscle. Your heart muscle needs the oxygen…

Ankle Injuries and Disorders

Your ankle bone and the ends of your two lower leg bones make up the ankle joint. Your ligaments, which connect bones to one another,…

Ankylosing Spondylitis

Ankylosing spondylitis is a type of arthritis of the spine. It causes inflammation between your vertebrae, which are the bones that make up your spine,…

Antidepressants

Antidepressants are medicines that treat depression. Your doctor can prescribe them for you. They work to balance some of the natural chemicals in our brains.…

Antioxidants

Antioxidants are man-made or natural substances that may prevent or delay some types of cell damage. Antioxidants are found in many foods, including fruits and…

Anxiety

Fear and anxiety are part of life. You may feel anxious before you take a test or walk down a dark street. This kind of…