FLI 21 Pill — WHITE;GREEN CAPSULE, 14mm — Memantine

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Imprint	FLI / 21
Colour	WHITE;GREEN
Shape	CAPSULE
Size	14
Strength	memantine hydrochloride 21 mg
Dosage form	Capsule, Extended Release
Manufacturer	Allergan, Inc.
NDC	0456-3400
Schedule	—
Availability	—
Ingredients	memantine hydrochloride[memantine]

What does this imprint mean?

The imprint "FLI 21" 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

Memantine

Uses and warnings

No boxed warning. The label's key caution is that "conditions that raise urine pH may decrease the urinary elimination of memantine, resulting in increased plasma levels" (e.g., carbonic anhydrase inhibitors, sodium bicarbonate), requiring careful monitoring. It also notes that "combined use of memantine hydrochloride with other NMDA antagonists...has not been systematically evaluated and such use should be approached with caution."

Indicated for the treatment of moderate to severe dementia of the Alzheimer's type.

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How to identify this pill

• Check the imprint matches exactly: "FLI 21".
• Confirm the colour (WHITE;GREEN) and shape (CAPSULE).
• Compare the size (14) against a ruler if possible.
• When in doubt, confirm with a pharmacist before taking any medication.

FLI 21 Pill — WHITE;GREEN CAPSULE, 14mm — Memantine

What does this imprint mean?

Active ingredient

Uses and warnings

How to identify this pill

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Official references