Adult Usual dose: 500 mg IM 4-6 hrly or slow IV inj over 3-5 min or by infusion. Serious infections eg, meningitisAdult 150-300 mg/kg daily in divided doses. Childn 100-400 mg/kg daily in divided doses.
Contraindications
Hypersensitivity to penicillin. Glandular fever of lymphatic leukemia.