The immediate-release morphine formulation takes about 30 minutes to reach the central nervous system, it takes for morphine sulfate to get to steady state.
Morphine is an opiod pain reliever naturally present in the dark brown epoxy of poppies. It can be taken orally, sublingually, inhaled, transdermally, inter-anally, or intravenously both subcutaneously and more commonly intravenously.
Thus, The immediate-release morphine formulation takes about 30 minutes.
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