Source:http://linkedlifedata.com/resource/umls/id/C0722425
MEDLINEPLUS: <p>Pain relievers are medicines that reduce or relieve headaches, sore muscles, arthritis or any number of other aches and <a href='http://www.nlm.nih.gov/medlineplus/pain.html'>pains</a>. There are many different pain medicines, and each one has advantages and risks. Some types of pain respond better to certain medicines than others. Each person may also have a slightly different response to a pain reliever. </p><p><a href='http://www.nlm.nih.gov/medlineplus/overthecountermedicines.html'>Over-the-counter</a> (OTC) medicines are good for many types of pain. There are two main types of OTC pain medications: acetaminophen (Tylenol) and nonsteroidal anti-inflammatory drugs (NSAIDs). Aspirin, naproxen (Aleve) and ibuprofen (Advil, Motrin) are examples of OTC NSAIDs. If OTC medicines don't relieve your pain, your doctor may prescribe something stronger. Many NSAIDs are available at prescription doses. The most powerful pain relievers are narcotics. They are very effective, but they can sometimes have