What is this pill - with '20 M inside square' imprint? or 30 M inside a square' imprint?
- 20 Aug 2009 by Tink33
- 20 Aug 2009
Found it in a old bottle w/ nothing on the bottle. It looks old so I'm not sure if it has a 20 or 30 on it. And not sure if it is white or white w/ blue spacks. on it. If any one knows let me know. Thank you
M in a square is Mallinckrodt Pharmaceuticals
M 30 Light Blue tab https://www.drugs.com/imprints/m-30-5115.html
M 20 White round tab is Methylphenidate 20mg - looks similar to the above image but with a 20 not 30.
If it is old it is probably not effective any longer anyway.
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