F 21 Pill — WHITE OVAL, 13mm — Alendronate

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Imprint	F / 21
Colour	WHITE
Shape	OVAL
Size	13
Strength	ALENDRONATE SODIUM 70 mg
Dosage form	Tablet
Manufacturer	A-S Medication Solutions
NDC	50090-3126
Schedule	—
Availability	Prescription only
Ingredients	ALENDRONATE SODIUM[ALENDRONIC ACID]

What does this imprint mean?

The imprint "F 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

Alendronate

Uses and warnings

No boxed warning. Key warnings: "Upper gastrointestinal adverse reactions can occur" - patients must follow strict dosing instructions (full glass of water, remain upright at least 30 minutes); "hypocalcemia" must be corrected before starting therapy; "severe bone, joint, or muscle pain" may occur, with discontinuation considered if severe; "osteonecrosis of the jaw has been reported," generally in cancer patients or those with risk factors; and "atypical fractures, including femoral fractures," have been reported with long-term bisphosphonate use.

Indicated for "treatment and prevention of osteoporosis in postmenopausal women," to "increase bone mass in men with osteoporosis," for "treatment of glucocorticoid-induced osteoporosis," and for "treatment of Paget's disease of bone." The label notes that for patients at low risk of fracture, clinicians should "consider drug discontinuation after 3 to 5 years of use."

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How to identify this pill

• Check the imprint matches exactly: "F 21".
• Confirm the colour (WHITE) and shape (OVAL).
• Compare the size (13) against a ruler if possible.
• When in doubt, confirm with a pharmacist before taking any medication.

F 21 Pill — WHITE OVAL, 13mm — Alendronate

What does this imprint mean?

Active ingredient

Uses and warnings

How to identify this pill

Similar-looking pills

Other pills of Alendronate

Official references