Sildenafil (brand name Viagra) is a phosphodiesterase 5 (PDE5) inhibitor. It is one of the Top 250 Drugs (similar to the Top 200 Drugs or Top 300 Drugs) in ClinCalc.com's RxHero mobile app, FlashRX mobile app and The Top 250 Drugs online educational video course.
Become an RxHero by rapidly learning the most common outpatient medications in this gamified educational app.
To test yourself on the top 250 drugs, download our adaptive-learning flashcard and quiz mobile app for iPhone/iPad called FlashRX.
Do you wish you could review the top 250 drugs from beginning to end? Sign up for our stellar online video series, The Top 250 Drugs. This course uses 60+ succinct, high-yield videos and brief comprehension quizzes to help you develop a rock-solid understanding of the top 250 medications.
Top 250 Drugs online video course - succinct videos for healthcare professionals and students to develop a rock-solid understanding of the top 250 medications
Show AMA citation