January 8, 2026

September 2025

Medicines & Drugs

Sildenafil (Viagra, Revatio) – Uses, Side Effects, and More

Sildenafil is a well-known medication prescribed for erectile dysfunction (ED) and pulmonary arterial hypertension (PAH). Marketed under brand names like Viagra, Revatio, and Liqrev, this medicine belongs to a class of drugs called phosphodiesterase type