Sildenafil

FDA-Approved moleculeCompounded form not FDA-approved

Also known as: Viagra, PDE5 inhibitor

Phosphodiesterase type 5 (PDE5) inhibitor

How it works: Blocks the PDE5 enzyme, increasing blood flow in erectile tissue in response to sexual stimulation.
Known risks: Headache, flushing, nasal congestion, visual changes; rare priapism; sudden vision or hearing changes warrant urgent evaluation.
Contraindications: Concurrent nitrate therapy; certain cardiovascular conditions where sexual activity is inadvisable.
Drug interactions: Dangerous drop in blood pressure with nitrates and some alpha-blockers; levels affected by CYP3A4 inhibitors.

Citations

Oral sildenafil in the treatment of erectile dysfunction (1998) · PMID 9580646

This information is educational only and is not medical advice. A licensed provider makes all clinical decisions. Diadara provides no dosing, reconstitution, or administration guidance.

Start an assessment