Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) used to treat mild to moderate pain, and helps to relieve symptoms of arthritis (osteoarthritis, rheumatoid arthritis, or juvenile arthritis), such as inflammation, swelling, stiffness, and joint pain. Ibuprofen 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. It’s common to take ibuprofen every 4 to 6 hours. The maximum dose for OTC ibuprofen is 1,200 mg per day. The maximum dose for prescription ibuprofen is up to 3,200 mg per day, depending on what you’re taking it for. Talk to your healthcare team before taking ibuprofen to make sure it’s safe for you. NHS information about ibuprofen for adults, including what it's used for, who can use it, how to use it and side effects. CVS™ Ibuprofen is a pain reliever and fever reducer. Temporarily relieves minor aches and pains due to headache, muscular aches, minor pain of arthritis, toothache, backache, the common cold and menstrual cramps. Amazon Basic Care Ibuprofen Tablets, 200 mg, Pain Reliever and Fever Reducer, For Headache, Muscular Aches, Arthritis, Backache, Menstrual Pain, 100 Count (Pack of 1) 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.