Diarrhea, nausea, vomiting, maculopapular rash, urticaria, eosinophilia, fever, reversible neutropenia, direct +ve result in Coomb's test. Reduced Hb or hematocrit. Temporary eosinophilia & thrombocytopenia, hypoprothrombinemia. Haemolytic anemia. Headache, fever, pain at inj site, trembling. Temporary increase of SGOT, SGPT, alkaline phosphatase, bilirubin. Local reactions eg, phlebitis. Hypersensitivity reactions.