WF 4 Pill — BLUE ROUND, 8mm — Warfarin

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Imprint	WF / 4
Colour	BLUE
Shape	ROUND
Size	8
Strength	—
Dosage form	Tablet
Manufacturer	Genpharm, L.P.
NDC	15330-267
Schedule	—
Availability	—
Ingredients	—

What does this imprint mean?

The imprint "WF 4" 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

Warfarin

Uses and warnings

BOXED WARNING: "Warfarin sodium can cause major or fatal bleeding. Perform regular monitoring of INR in all treated patients. Drugs, dietary changes, and other factors affect INR levels achieved with warfarin sodium therapy." | Hemorrhage risk, especially within first month; elevated in patients >=65 years, with GI bleeding history, or high INR; tissue necrosis/gangrene possible ("discontinue warfarin sodium therapy if necrosis occurs"); systemic atheroemboli and cholesterol microemboli can occur; do not use as initial therapy in heparin-induced thrombocytopenia (HIT); pregnancy contraindicated except with mechanical heart valves.

Warfarin sodium tablets, USP are indicated for: Prophylaxis and treatment of venous thrombosis and its extension, pulmonary embolism (PE). Prophylaxis and treatment of thromboembolic complications associated with atrial fibrillation (AF) and/or cardiac valve replacement. Reduction in the risk of death, recurrent myocardial infarction (MI), and thromboembolic events such as stroke or systemic embolization after myocardial infarction.

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How to identify this pill

• Check the imprint matches exactly: "WF 4".
• Confirm the colour (BLUE) and shape (ROUND).
• Compare the size (8) against a ruler if possible.
• When in doubt, confirm with a pharmacist before taking any medication.

WF 4 Pill — BLUE ROUND, 8mm — Warfarin

What does this imprint mean?

Active ingredient

Uses and warnings

How to identify this pill

Similar-looking pills

Other pills of Warfarin

Official references