M C28 Pill — WHITE OVAL, 19mm — Clopidogrel
| Imprint | M / C28 |
|---|---|
| Colour | WHITE |
| Shape | OVAL |
| Size | 19 |
| Strength | CLOPIDOGREL BISULFATE 300 mg |
| Dosage form | Tablet, Film Coated |
| Manufacturer | Mylan Institutional Inc. |
| NDC | 51079-558 |
| Schedule | — |
| Availability | — |
| Ingredients | CLOPIDOGREL BISULFATE[CLOPIDOGREL] |
What does this imprint mean?
The imprint "M C28" 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
Clopidogrel
Uses and warnings
BOXED WARNING: "Effectiveness of clopidogrel tablets depends on conversion to an active metabolite by the cytochrome P450 (CYP) system, principally CYP2C19." Patients who are CYP2C19 poor metabolizers have diminished antiplatelet effect. Consider alternative P2Y12 inhibitors for identified poor metabolizers. Key Warnings: - Bleeding Risk: Increases risk of bleeding; avoid omeprazole/esomeprazole (CYP2C19 inhibitors) - Discontinuation: Premature discontinuation increases cardiovascular event risk; interrupt 5 days before elective surgery - Thrombotic Thrombocytopenic Purpura (TTP): Serious, sometimes fatal condition; requires urgent plasmapheresis - Cross-Reactivity: Hypersensitivity reactions possible in patients with prior thienopyridine reactions
Clopidogrel is indicated to reduce cardiovascular events in patients with: - Acute Coronary Syndrome (ACS): Non-ST-segment elevation ACS (unstable angina/NSTEMI) and ST-elevation MI, administered with aspirin - Secondary Prevention: Recent MI, recent stroke, or established peripheral arterial disease
How to identify this pill
- • Check the imprint matches exactly: "M C28".
- • Confirm the colour (WHITE) and shape (OVAL).
- • Compare the size (19) 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 7df4a376-157d-655e-e053-2991aa0aff28.xml