Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

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

Last Updated: 12/5/2025

Avanafil Treatment Guidelines for Erectile Dysfunction

Special Considerations

  • In patients with mild to moderate hepatic or renal impairment, use with caution at lower doses initially 1, 2

Efficacy Profile

  • Avanafil has similar efficacy to other PDE5 inhibitors in the general ED population 1, 3, 4
  • Men with diabetes and post-prostatectomy patients have more severe ED at baseline and may respond less robustly to avanafil and other PDE5 inhibitors 1, 3
  • Combining testosterone therapy with avanafil may improve efficacy in men with both ED and testosterone deficiency 1, 2

Safety Profile and Adverse Effects

  • Most common adverse events include headache, flushing, nasal congestion, nasopharyngitis, and back pain 1, 3
  • Avanafil has the lowest rates of dyspepsia among PDE5 inhibitors 1, 5
  • Like tadalafil, avanafil has lower rates of myalgia compared to other PDE5 inhibitors 1, 6

Optimizing Treatment Success

  • Proper patient education is essential, as incorrect use accounts for many treatment failures 1, 2
  • Patients should be instructed that sexual stimulation is necessary for the medication to work 1, 2
  • Dose titration should be performed to balance efficacy and minimize adverse effects 1, 2
  • For patients who fail initial therapy, ensure an adequate trial was conducted before considering alternative treatments 7

Cardiovascular Considerations

  • Cardiovascular risk should be assessed for all men with ED before prescribing avanafil 7, 6
  • Sexual activity is considered equivalent to walking 1 mile in 20 minutes or climbing 2 flights of stairs in 20 seconds 7
  • Men unable to perform this level of exercise without symptoms should be referred to a cardiologist before treatment 7

Avanafil 200 mg: Efficacy and Safety Profile

Serious Side Effects

  • Non-arteritic anterior ischemic optic neuropathy (NAION) has been reported with PDE5 inhibitors, though causality remains uncertain, according to the Annals of Internal Medicine 8

Avanafil 200 mg Safety and Efficacy

Introduction to Avanafil

  • The American Urological Association recommends that all three doses of avanafil (50, 100, 200 mg) showed similar efficacy to other PDE5 inhibitors in the general ED population 9

Efficacy Data

  • Avanafil 200 mg demonstrated 64-71% successful intercourse attempts within 15 minutes of dosing compared to 27% with placebo, with efficacy maintained >6 hours post-dosing 9

Special Populations

  • For patients with diabetes or post-prostatectomy, response may be less robust due to more severe baseline ED, according to The Journal of Urology 9

REFERENCES

1

erectile dysfunction: aua guideline. [LINK]

The Journal of urology, 2018

2

erectile dysfunction: aua guideline. [LINK]

The Journal of urology, 2018

3

erectile dysfunction: aua guideline. [LINK]

The Journal of urology, 2018

4

erectile dysfunction: aua guideline. [LINK]

The Journal of urology, 2018

5

Avanafil Efficacy and Safety for Erectile Dysfunction [LINK]

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025

6

Conditions That Respond Best to PDE5 Inhibitors for Erectile Dysfunction [LINK]

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025

7

survivorship: sexual dysfunction (male), version 1.2013. [LINK]

Journal of the National Comprehensive Cancer Network : JNCCN, 2014

9

erectile dysfunction: aua guideline. [LINK]

The Journal of urology, 2018