§ Telehealth Basics
Sildenafil
A PDE5 inhibitor (Viagra) for erectile dysfunction — the prototype of the class. Compounded sildenafil is available online at a fraction of brand-name cost.
Fact-checked 12 May 2026Plain-English Reference
Sildenafil's 4-5 hour half-life makes it well suited for on-demand use. Generic sildenafil is widely available at low cost. It is contraindicated with nitrates and should be used cautiously with alpha-blockers.
§ Where Sildenafil Comes Up
- Medication GuideBuy Sildenafil Online in 2026: Verified Providers
- CategoryErectile Dysfunction
- ListicleBest ED Treatments You Can Get Online in 2026