M C31 Pill — BLUE ROUND, 6mm — Carvedilol
| Imprint | M / C31 |
|---|---|
| Colour | BLUE |
| Shape | ROUND |
| Size | 6 |
| Strength | CARVEDILOL 3.125 mg |
| Dosage form | Tablet, Film Coated |
| Manufacturer | Cardinal Health |
| NDC | 55154-5677 |
| Schedule | — |
| Availability | — |
| Ingredients | CARVEDILOL[CARVEDILOL] |
What does this imprint mean?
The imprint "M C31" 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
Carvedilol
Uses and warnings
No boxed warning. Carvedilol is contraindicated in "bronchial asthma or related bronchospastic conditions," "second- or third-degree AV block," "sick sinus syndrome" (without a pacemaker), "severe bradycardia," cardiogenic shock or decompensated heart failure requiring IV inotropic therapy, and "severe hepatic impairment." The label warns against abrupt discontinuation, which can lead to exacerbation of angina, and advises monitoring for worsening heart failure, hypotension (especially with the first dose), and bradycardia, particularly during dose titration.
Carvedilol tablets are indicated for the treatment of: - "Mild-to-severe chronic heart failure of ischemic or cardiomyopathic origin," usually in addition to diuretics, ACE inhibitors, and digitalis - "Left ventricular dysfunction following myocardial infarction" in clinically stable patients with an ejection fraction ≤40% - "Management of essential hypertension," used alone or in combination with other antihypertensive agents
How to identify this pill
- • Check the imprint matches exactly: "M C31".
- • Confirm the colour (BLUE) 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 bc820fb4-36ae-496e-be30-9db8790f2f02.xml