Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) that is used to relieve pain, fever, and inflammation. [7] This includes painful menstrual periods, migraines, and rheumatoid arthritis. [7] It can be taken orally (by mouth) or intravenously. [7] It typically begins working within an hour. [7] Common side effects include heartburn, nausea, indigestion, and abdominal pain. [7. Motrin IB is used to reduce fever and treat pain or inflammation caused by headache, toothaches, back pain etc. Learn about side effects, interactions and indications. Key Takeaways 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. Typical adult doses range from 200 mg to 800 mg per dose, with a maximum daily limit of 3200 mg. Child. 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. 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. Motrin IB is a nonsteroidal anti-inflammatory drug (NSAID) that helps temporarily target pain at the source of inflammation. A fever reducer and a fast-acting pain reliever, it takes on minor muscle aches, headaches, backaches and toothaches. Motrin IB Ibuprofen Caplets provide temporarily relief of minor aches and pains due to headache, minor pain of arthritis, backache, menstrual cramps, muscular aches, toothache, and the common cold. Find pain relief from muscle aches, period pain, minor arthritis pain, toothaches and headaches, and reduce fever with MOTRIN® IB tablets with ibuprofen 200mg. Find patient medical information for Ibuprofen (Advil, Caldolor, Motrin) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings.