how long does morphine take to get out of system
The Butrans and oxycodone will not mask the morphine as the metabolites are different. It depends on how long you used the morphine and was it a long acting product or an immediate release. It usually takes about 3-7 days to clear morphine out of your system depending on, again, your useage and how quick your metabolism is. It will also depend on what type of test they use. Some tests are more sensitive than others.