Motrin (ibuprofen) is used to treat mild to moderate pain. Learn side effects, dosage, drug interactions, warnings, patient labeling, reviews, and more. Ibuprofen (Advil, Motrin) treats minor aches and pains caused by the common cold, headaches, toothaches, back or muscle aches. Overview: Ibuprofen is used to reduce fever, pain, and swelling. It works by blocking certain substances in the body that cause pain, inflammation, and fever. Common side effects include stomach. For relief from muscle aches, fevers, cramps, & more, MOTRIN® is pain relief you can count on. Learn how MOTRIN® can help relieve pain for you & your child. Ibuprofen (also known as Motrin and Advil) is a medicine used to reduce fever and pain. It is an over-the-counter medicine, meaning that you can get it without a doctor's prescription. Motrin IB is a nonsteroidal anti-inflammatory drug (NSAID). Ibuprofen works by reducing hormones that cause inflammation and pain in the body. Motrin IB is used to reduce fever and treat pain or inflammation caused by many conditions such as headache, toothache, back pain, arthritis, menstrual cramps, or minor injury. Motrin products are commonly used to treat fever and pain, including headaches, as well as inflammation. The main active ingredient in most products is ibuprofen. Find pain relief from muscle aches, period pain, minor arthritis pain, toothaches and headaches, and reduce fever with MOTRIN® IB tablets with ibuprofen 200mg. Discover MOTRIN® Dual Action with TYLENOL®, a dual-action pain reliever medicine that combines Ibuprofen & Acetaminophen together to help treat minor aches & pains. Motrin (ibuprofen) is a widely used over-the-counter pain reliever and anti-inflammatory medication. Dosage varies by age, weight, and medical condition, with specific guidelines for adults and children.