Uncomplicated premature labour
Adult: Start oral therapy 30-60 mins before termination of IV infusion at 10 mg every 2 hr for 24 hr. Subsequently, 10-20 mg every 4-6 hr according to patient's response. Max oral dose 120 mg daily.
Parenteral
Uncomplicated premature labour
Adult: Given as IV infusion, initially 0.05 mg/min. Increase by 0.05 mg/min every 10 min until patient responds. Usual rate: 0.15-0.35 mg/min. As IM inj: 10 mg every 3-8 hr. Maintain for 12-48 hr after the contractions have stopped.