GPT and Thrombophlebitis: In general, adverse effects were mild in intensity and included marginal (benign) elevation of liver enzymes (SGOT and SGPT) to less than 140 IU per ml in 24 patients, flatulence in 1 patient, diarrhoea in 2 patients, vomiting in 3 patients, nausea in 5 patients, thrombophlebitis in 1 patient.