Adult, PO
Osteoarthritis: 200 mg/day in 1 or 2 divided doses. May increase to 200 mg bid.
Rheumatoid arthritis: 100-200 mg bid.
Ankylosing spondylitis: 200 mg/day in 1 or 2 divided doses.
Dysmenorrhoea, pain relief - Initial: 400 mg followed by 200 mg on the 1st day. Maintenance: 200 mg bid.

Adverse drug reactions: sinusitis, upper resp tract infection, allergy aggravated, insomnia, dizziness, hypertonia, pharyngitis, rhinitis, cough, dyspnoea, vomiting, diarrhea, dyspepsia, abdominal pain, flatulence, dysphagia, rash, pruritus, flu-like symptoms, peripheral oedema/fluid retention, jaundice, liver necrosis.

Adapted from CIMS Drug Information System. Internet. Accessed on January 10, 2016.