Headache, tremor, abdominal pain, nausea, constipation, diarrhea, epigastric discomfort, vomiting, leucopenia, hypoglycemia, pruritus, urticaria, allergic dermatitis, mucocutaneous & maculopapular rash, non-acute porphyria, malaise, cholestatic jaundice, toxic hepatitis, agranulocytosis, thrombocytopenia, haemolytic anemia, aplastic anemia, pancytopenia, visual impairment, blurred vision, reduced visual acuity, confusional state, increased AST, blood alkaline phosphatase, blood creatinine, blood LDH & blood urea. Disulfiram-like reactions have been reported w/ sulfonylureas.