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6 clinically reviewed articles, written and peer-reviewed by the HealthRX Medical Team.
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Showing 6 of 6 clinical reviews.
A clinical guide to the legal status of compounded sildenafil (Viagra), including FDA regulations, 503A and 503B exemptions, patent history, and what the current rules mean for patients and prescribers.
Read clinical reviewA side-by-side comparison of FDA and EMA regulatory approaches to Viagra (sildenafil), covering approval timelines, label differences, OTC reclassification, post-market safety surveillance, and what these divergent paths mean for prescribers and patients.
Read clinical reviewA comprehensive review of sildenafil (Viagra) regulatory status worldwide, including FDA approval history, EMA authorization, OTC reclassification in the UK, and ongoing post-market surveillance data.
Read clinical reviewA detailed timeline of every FDA label change to Viagra (sildenafil) from 2020 through 2026, covering safety warnings, drug interactions, contraindications, and post-market surveillance findings.
Read clinical reviewA detailed look at every major legal battle, patent dispute, and regulatory milestone in sildenafil's history, from FDA approval in 1998 through generic entry and beyond.
Read clinical reviewA clinical review of sildenafil's regulatory history, current FDA label, post-market safety data, and the next-generation PDE5 inhibitor pipeline for erectile dysfunction.
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