Spedra contains the drug Avanafil and is the newest treatment available. It is also the fastest acting and can work in 15 minutes if taken on an empty stomach. The effects are delayed by up to 90 minutes if the dose is consumed with food. Spedra remains active in the bloodstream for around 4 hours.
There are three strengths: 50mg, 100mg and 200mg.
The starting dose of Spedra is 100mg taken 15-30 minutes before sexual activity
As with the other treatments, the dose can be increased if tolerated or reduced as required and should be used on a few occasions before concluding it is not effective.