Tab/Granules: Abdominal pain, diarrhea, flatulence, nausea, vomiting; headache, dizziness. Tab: Peripheral neuropathy; renal impairment including acute & chronic interstitial nephritis & renal insufficiency; exanthema, drug fever, bronchospasm, pericarditis & myocarditis, pancreatitis, allergic & fibrotic lung reactions (including dyspnoea, cough, alveolitis, pulmonary eosinophilia, lung infiltration, pneumonitis), butterfly rash (lupus erythematosus syndrome), pancolitis; myalgia, arthralgia; aplastic anaemia, agranulocytosis, pancytopenia, neutropenia, leucopenia, thrombocytopenia; raised transaminase & parameters of cholestasis, hepatitis, cholestatic hepatitis; alopecia; reversible oligospermia. Enema: Allergic exanthema, drug fever; bronchospasm; lupus erythematosus-like syndrome. Granules: Pericarditis. Supp: Allergic skin rash, fever, breathing difficulty.