R 642 Pill — WHITE ROUND, 7mm — Doxazosin

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Imprint	R / 642
Colour	WHITE
Shape	ROUND
Size	7
Strength	—
Dosage form	Tablet
Manufacturer	Actavis Elizabeth LLC
NDC	0228-2642
Schedule	—
Availability	—
Ingredients	—

What does this imprint mean?

The imprint "R 642" 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

Doxazosin

Uses and warnings

No boxed warning. Contraindicated in patients with "hypersensitivity to doxazosin, other quinazolines, or any other ingredient." Key warnings: "postural hypotension with or without syncope may occur," especially with the first dose; risk of "Intraoperative Floppy Iris Syndrome" during cataract surgery in patients on or previously treated with alpha1-blockers; BPH patients should be screened for prostate cancer before starting therapy; alpha1 antagonists "have been associated with priapism (painful penile erection)."

Doxazosin mesylate tablets are indicated for: - Treatment of the "signs and symptoms of Benign Prostatic Hyperplasia (BPH)" - "Treatment of Hypertension," to lower blood pressure and reduce the risk of cardiovascular events.

Read the full drug profile →

How to identify this pill

• Check the imprint matches exactly: "R 642".
• Confirm the colour (WHITE) and shape (ROUND).
• Compare the size (7) against a ruler if possible.
• When in doubt, confirm with a pharmacist before taking any medication.

R 642 Pill — WHITE ROUND, 7mm — Doxazosin

What does this imprint mean?

Active ingredient

Uses and warnings

How to identify this pill

Similar-looking pills

Other pills of Doxazosin

Official references