Ibuprofen is a non-steroidal anti-inflammatory medicine, which is used to relieve pain in conditions such as osteoarthritis, rheumatoid arthritis, menstrual cramps (dysmenorrhea), muscle aches, headache, back pain, dental pain, etc. It is also used to treat mild-to-moderate fever. Do not take this medicine if you have any bleeding disorder or asthma or a known allergy to this medicine. This medicine is not recommended for use in children less than 6 months of age.