The most common side effects involved the gastrointestinal (GI) tract such as abdominal pain, diarrhea, nausea with or without vomiting, GI bleeding and ulceration. Other side effects that may occur: agranulocytosis, anemia, aplastic anemia, hemolytic anemia, leukopenia, thrombocytopenia, cardiac failure, myocardial infarction, angina pectoris, tinnitus, vertigo, visual disturbance, abdominal distension, Crohn's disease, colitis, constipation, dyspepsia, flatulence, gastrointestinal perforation, hematemesis, melena, mouth ulceration, edema, swelling, peripheral edema, liver disorder, hepatic function abnormal, hepatitis, jaundice, hypersensitivity, anaphylactic reaction, meningitis, aseptic meningitis, hematocrit and hemoglobin decreased, dizziness, headache, cerebrovascular accident, nervousness, hematuria, interstitial nephritis, renal failure, nephrotic syndrome, proteinuria, renal papillary necrosis, asthma, bronchospasm, dyspnea, wheezing, angioneurotic edema, dermatitis bullous, toxic epidermal necrolysis, erythema multiforme, face edema, rash, rash maculo-papular, pruritus, purpura, Stevens-Johnson Syndrome, urticaria and hypertension.