M 512 with no scoring on either side what is it Maybe a migraine med I am told but no name

Question

I have a pill also described as a pill for migraine but I do not know what it is other than that and I want to know more. On one side it has an M on top and 512 on bottom with no score separating the two, on the other side it has nothing and no score on that side either. All I read about that is close has scoring on one side, this has no scoring at all and the inscription just as told above. Does any one with migrains know what this is??? Thank you so much for your time!

Roy · Accepted Answer

There are two white tablets with similar imprints but are two different drugs.

One is a round pill with M over S12 (could look like 512). That is Sumatriptan 100 mg used for treating migraines (NDC 0378-5632).

M S12 white tablet

From DailyMed:
M S12 Sumatriptan 100 mg

Inactive Ingredients:

- Silicon Dioxide
- Croscarmellose Sodium
- Hypromelloses
- Lactose Monohydrate
- Magnesium Stearate
- Cellulose, Microcrystalline
- Polydextrose
- Polyethylene Glycols
- Povidones
- Sodium Lauryl Sulfate
- Titanium Dioxide
- Triacetin

There is another tablet which is more oblong and has the imprint M512 all on one line. That is Capecitabine 500 mg which is a cancer drug (NDC 0378-2512).

From DailyMed:
M512 white tablet

Inactive Ingredients:

- Anhydrous Lactose
- Croscarmellose Sodium
- Hypromelloses
- Cellulose, Microcrystalline
- Magnesium Stearate
- Polydextrose
- Polyethylene Glycols
- Titanium Dioxide
- Triacetin

M 512 With No Scoring On Either Side What Is It? Maybe A Migraine Med I Am Told But No Name???
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