Rheumafen is used to treat rheumatoid arthritis, osteoarthritis, a disease characterized by pain and weakness in the joints, ankylosing spondylitis, dysmenorrhea, mild to moderate pain.
Rheumafen is used to treat mild to moderate pain associated with muscle spasms, back pain, neck pain, headache, tendonitis, and migraine attacks, which are headaches that cause severe pain usually on one side of the head.