Morphine: Depends on what type of morphine. The injectable form start acting in few minutes. The immediate acting tablets may take 15 minutes and sustained release tablets may take upto 1 hour.
Answered 1/10/2019
4.3k views
30-45 min: Usually this is the time frame for taking a pain medication to start providing relief if taken orally.
Answered 3/18/2014
4.3k views
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