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What's the differents beween Hyoscyamine SR & Hyoscyamine ER?

Responses (1)

suzanne66 30 Aug 2009

Virtually nothing. SR stands for sustained release and ER stands for extended release. They are both formulated in such a way so that once swallowed, a controlled small amount of the drug, is released from the tablet into the body continually, over a period of time.

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