200 mg daily as a single dose or in 2 divided doses or 200 mg bid if necessary. RA
100-200 mg bid. Ankylosing spondylitis
Initially 200 mg daily as a single dose or in 2 divided doses. May be increased to 400 mg daily after 6 wk; consider alternative treatment if no response after further 6 wk. Pain & dysmenorrhea
Initially 400 mg followed by an additional 200 mg if necessary on the 1st day; thereafter 200 mg bid. Adjunctive therapy to reduce the number of adenomatous colorectal polyps in patient w/ familial adenomatous polyposis
400 mg bid.