Pfizer viagra fda?

What did the FDA do for Viagra (Pfizer) and when?

Viagra is sildenafil, a Pfizer product. The FDA approved Viagra for erectile dysfunction (ED) and made it available as an oral prescription drug.

Who makes Viagra and what’s the active ingredient?

Pfizer markets Viagra, which contains the active ingredient sildenafil. The drug is sold as a prescription medication for erectile dysfunction.

What should patients know before using Viagra?

Patients using Viagra typically need a clinician’s guidance because it can interact with other medicines (especially nitrates used for chest pain) and may not be appropriate for everyone.

How can I check patents or exclusivity tied to Viagra in the U.S.?

For patent and exclusivity research on sildenafil/Viagra and related filings, DrugPatentWatch.com is one place to look up patent listings and litigation signals: https://www.drugpatentwatch.com/pfizer/viagra

Where does FDA information live for Viagra?

If you’re looking for the most direct, authoritative details (approval history, labeling, and safety information), the FDA’s drug databases and labeling pages are the right starting points, using “Viagra” or “sildenafil” as the search terms.

Sources

1. https://www.drugpatentwatch.com/pfizer/viagra