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What is morphine sulfate SR?

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18 Jun 2011

Hey bluecopy,

Morphine sulfate SR stands for an opiate analgesic (pain killer) that is a sustained release (SR) formula giving around the clock pain relief.

Hope this helps,


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20 Jun 2011

As Laurie said, it is just a form of morphine that is a long acting preparation. It has a time release component when swallowed whole so it can act on pain for 8-12 hours as opposed to the 4-6 hours you get with immediate release preparations.

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