: a nonsteroidal anti-inflammatory drug C13H18O2 used in over-the-counter preparations to relieve pain and fever and in prescription strength especially to relieve the symptoms of rheumatoid arthritis and degenerative arthritis—see advil, motrin
Analgesic, one of the NSAIDs, especially effective against minor pain, fever, and inflammation. It works by inhibiting prostaglandin synthesis. It may irritate the gastrointestinal tract and should not be taken by anyone who has an allergy to aspirin or takes anticoagulants. Brand names include Advil, Motrin, and Nuprin. See alsoacetaminophen.