You'll want to take a loading dose of 140mg/Kg of your body weight, then 70mg/Kg every 4 hours for seventeen hours. So if you weigh 80Kg, you must take an First dose of eleven,200mg followed by 5600mg every four hours for seventeen complete hours.Codeine is actually a prodrug metabolized by cytochrome P450 2D6 to morphine which mediates the vast ma