Oral Medication (PDE5 Inhibitors)
First-line
Sildenafil, tadalafil, vardenafil and avanafil remain the best-studied treatment for erectile dysfunction. Dosed and timed correctly, they work for the majority of men who take them.
- Onset
- 20–60 minutes
- Duration
- 4–36 hours
- Visits required
- One consultation
- Downtime
- None