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Liltle white round pill with an m on one side them a 4 on the other?

Answers (1)

Anonymous 29 Mar 2011

Hello,

Pill imprint M 4 has been identified as Hydromorphone hydrochloride 4 mg.

Click on the link to view an image of the pill and read more about this medication:

https://www.drugs.com/imprints/m-4-489.html

Take care.-

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