M A2 Pill — WHITE ROUND, 6mm — Atenolol

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Imprint	M / A2
Colour	WHITE
Shape	ROUND
Size	6
Strength	ATENOLOL 25 mg
Dosage form	Tablet
Manufacturer	Cardinal Health
NDC	55154-5511
Schedule	—
Availability	Prescription only
Ingredients	ATENOLOL[ATENOLOL]

What does this imprint mean?

The imprint "M A2" 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

Atenolol

Uses and warnings

No boxed warning. Contraindications: "sinus bradycardia, heart block greater than first degree, cardiogenic shock, and overt cardiac failure," and known hypersensitivity. Key warnings: beta-blockers can precipitate cardiac failure because "sympathetic stimulation is necessary in supporting circulatory function"; abrupt cessation has caused "severe exacerbation of angina and occurrence of myocardial infarction and ventricular arrhythmias"; "PATIENTS WITH BRONCHOSPASTIC DISEASE SHOULD, IN GENERAL, NOT RECEIVE BETA-BLOCKERS"; may mask hypoglycemia warning signs such as tachycardia; and "atenolol can cause fetal harm when administered to a pregnant woman."

Atenolol tablets are indicated for: - Treatment of hypertension, "to lower blood pressure" and reduce the risk of fatal and nonfatal cardiovascular events such as strokes and myocardial infarctions - Long-term management of patients with angina pectoris - Management of hemodynamically stable patients with definite or suspected acute myocardial infarction, "to reduce cardiovascular mortality."

Read the full drug profile →

How to identify this pill

• Check the imprint matches exactly: "M A2".
• 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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