M AA4 Pill — WHITE OVAL, 9mm — Amlodipine

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Imprint	M / AA4
Colour	WHITE
Shape	OVAL
Size	9
Strength	AMLODIPINE BESYLATE 5 mg;ATORVASTATIN CALCIUM TRIHYDRATE 10 mg
Dosage form	Tablet, Film Coated
Manufacturer	Mylan Pharmaceuticals Inc.
NDC	0378-4513
Schedule	—
Availability	Prescription only
Ingredients	AMLODIPINE BESYLATE[AMLODIPINE];ATORVASTATIN CALCIUM TRIHYDRATE[ATORVASTATIN]

What does this imprint mean?

The imprint "M AA4" 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

Amlodipine

Uses and warnings

Key warnings include symptomatic hypotension risk, particularly in severe aortic stenosis patients. "Worsening angina and acute myocardial infarction can develop after starting or increasing the dose," especially in severe obstructive coronary artery disease cases. Hepatic impairment requires slower titration due to extended elimination half-life (56 hours).

Amlodipine besylate treats hypertension and coronary artery disease conditions. For high blood pressure, it "lower[s] blood pressure" to reduce cardiovascular event risk. For heart disease, it addresses chronic stable angina, vasospastic angina, and documented CAD in patients without heart failure or ejection fraction below 40%. The medication may be used alone or combined with other agents.

Read the full drug profile →

How to identify this pill

• Check the imprint matches exactly: "M AA4".
• Confirm the colour (WHITE) and shape (OVAL).
• Compare the size (9) against a ruler if possible.
• When in doubt, confirm with a pharmacist before taking any medication.

M AA4 Pill — WHITE OVAL, 9mm — Amlodipine

What does this imprint mean?

Active ingredient

Uses and warnings

How to identify this pill

Similar-looking pills

Other pills of Amlodipine

Official references