Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/17/2025

Avanafil Efficacy and Safety for Erectile Dysfunction

Comparative Effectiveness and Safety

  • All FDA-approved PDE5 inhibitors (sildenafil, tadalafil, vardenafil, and avanafil) have similar efficacy in the general ED population, according to the Praxis Medical Insights 1
  • The American College of Physicians recommends that clinicians base the choice of a specific PDE5 inhibitor on individual preferences, ease of use, cost, and adverse effects profile 2
  • Avanafil has the lowest rates of dyspepsia among PDE5 inhibitors, as reported by Praxis Medical Insights 1
  • Like all PDE5 inhibitors, avanafil is contraindicated in patients taking nitrates due to the risk of potentially dangerous hypotension, as stated in Praxis Medical Insights 1

Dosing Considerations and Optimizing Treatment Success

  • Dose titration should be performed to provide optimal efficacy while minimizing side effects, according to Praxis Medical Insights 3
  • For patients with diabetes or post-prostatectomy ED, starting at the higher end of the dosing range may be more effective, as these populations typically require higher doses, as reported by Praxis Medical Insights 3
  • Proper patient education is essential as incorrect use accounts for many treatment failures, emphasizing the need for patient education and follow-up, as stated in Praxis Medical Insights 1, 3