i read in the bioavailability thread that morphine oral has around a ~30% BA and rectal is around the same. in my experience with liquid morphine i can say that rectally taking liquid morphine is at least twice as strong as oral. i just started getting mscontin pills and plugging them is not as good as plugging liquid morphine for whatever reason but it is still much better than taking them orally. does anyone know the true BA for rectal morphine? i'd have to guess its around 50-60% if not higher. you get a rush and a much stronger high than snorting or taking morphine orally. anyone have similar experiences?
that is the BA chart i'd guess is the most accurate. i dont think plugging is only 5% higher BA than oral.