AKT-1829

A 65-year-old gentleman with terminal metastatic breast cancer has been on a syringe driver for four days following a period of vomiting. He is currently taking a total of 30 mg of diamorphine over 24 hours via a syringe driver, but his nausea is now well controlled and he wishes to go back on to oral medication.

What total dose of oral morphine should you prescribe over a 24-hour period?