C89 Pill — WHITE ROUND, 7mm — Sildenafil

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Imprint	C89
Colour	WHITE
Shape	ROUND
Size	7
Strength	SILDENAFIL CITRATE 20 mg
Dosage form	Tablet, Film Coated
Manufacturer	CALVIN, SCOTT AND COMPANY, INCORPORATED
NDC	17224-460
Schedule	—
Availability	—
Ingredients	SILDENAFIL CITRATE[SILDENAFIL]

What does this imprint mean?

The imprint "C89" 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

Sildenafil

Uses and warnings

Critical Contraindications: "Administration of VIAGRA to patients using nitric oxide donors, such as organic nitrates or organic nitrites in any form" is contraindicated due to severe hypotensive effects. Cannot be used with guanylate cyclase stimulators like riociguat. Contraindicated in patients with known hypersensitivity to sildenafil. Major Warnings: Vision Loss - "Stop use of all PDE5 inhibitors...and seek medical attention in the event of a sudden loss of vision" (risk of NAION). Priapism - erection persisting longer than 4 hours requires immediate medical attention. Hearing Loss - sudden decrease or loss of hearing reported post-marketing. Cardiovascular Risk - sexual activity may pose cardiac risk in patients with preexisting cardiovascular disease.

"VIAGRA is indicated for the treatment of erectile dysfunction." A phosphodiesterase-5 (PDE5) inhibitor used to help men achieve and maintain erections during sexual activity.

Read the full drug profile →

How to identify this pill

• Check the imprint matches exactly: "C89".
• 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.

C89 Pill — WHITE ROUND, 7mm — Sildenafil

What does this imprint mean?

Active ingredient

Uses and warnings

How to identify this pill

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Official references