Dyspepsia, nausea, vomiting, abdominal pain, constipation, flatulence, diarrhoea, transitory abnormalities of liver function parameters (eg, raised transaminases or bilirubin), eructation, oesophagitis, gastroduodenal ulcer, occult or macroscopic GI bleeding & perforation, colitis, hepatitis, gastritis; anaemia, blood count disturbances including differential white cell count, leukopenia & thrombocytopenia, cytopenia (in concomitant use w/ MTX); pruritus, skin rash, stomatitis, urticaria, photosensitisation; cough, pharyngitis, upper resp infection, acute asthma; lightheadedness, headache, vertigo, tinnitus, drowsiness, insomnia; oedema, increased BP, palpitations, flush; abnormal renal function parameters (increased serum creatinine &/or urea), acute renal failure; conjunctivitis, visual disturbances including blurred vision; flu-like symptoms. Erythema multiforme, SJS & TEN.