M S4 Pill — WHITE ROUND, 6mm — Sumatriptan
| Imprint | M / S4 |
|---|---|
| Colour | WHITE |
| Shape | ROUND |
| Size | 6 |
| Strength | SUMATRIPTAN SUCCINATE 25 mg |
| Dosage form | Tablet, Film Coated |
| Manufacturer | GSMS, Incorporated |
| NDC | 51407-011 |
| Schedule | — |
| Availability | Prescription only |
| Ingredients | SUMATRIPTAN SUCCINATE[SUMATRIPTAN] |
What does this imprint mean?
The imprint "M S4" is a code stamped or printed on the tablet or capsule by the manufacturer, used to identify the drug, its strength and the maker.
Active ingredient
Sumatriptan
Uses and warnings
Drug class"A selective 5-hydroxytryptamine1 (5-HT1) receptor subtype agonist" that activates vascular 5-HT1 receptors, causing cranial vessel vasoconstriction believed to be correlated with relief of migraine.Uses"Indicated f...
Read the full drug profile →How to identify this pill
- • Check the imprint matches exactly: "M S4".
- • Confirm the colour (WHITE) and shape (ROUND).
- • Compare the size (6) against a ruler if possible.
- • When in doubt, confirm with a pharmacist before taking any medication.
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Official references
Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file 7911e447-5d2e-6538-e053-2991aa0a1a32.xml