2 doctors weighed in:

How long does morphine stay in your system?

2 doctors weighed in
Dr. David Rosenfeld
Pain Management
1 doctor agrees

In brief: See below

It depends on the formulation and delivery system but immediate release morphine gas a half time of 2-4 hours.
Like all drugs it take 4 half lives to be eliminated so 8-16 hours.

In brief: See below

It depends on the formulation and delivery system but immediate release morphine gas a half time of 2-4 hours.
Like all drugs it take 4 half lives to be eliminated so 8-16 hours.
Dr. David Rosenfeld
Dr. David Rosenfeld
Thank
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