Abnormal blood count, leukopenia, thrombocytopenia, anaemia, anaphylactic reaction, anaphylactoid reaction, confusional state, disorientation, altered mood, dizziness, somnolence, headache, visual disturbance eg, blurred vision, conjunctivitis, vertigo, tinnitus, palpitations, increased BP, flushing, asthma (allergic to aspirin/NSAIDs), GI bleeding, gastroduodenal ulcer, colitis, gastritis, oesophagitis, stomatitis, abdominal pain, dyspepsia, diarrhoea, nausea, vomiting, constipation, flatulence, eructation, hepatitis, toxic epidermal necrolysis, Stevens-Johnson syndrome, angioedema, bullous dermatitis, erythema multiforme, rash, urticaria, photosensitivity reaction, pruritus, acute renal failure, micturition disorders, oedema.