External penile support devices

Have you tried a very simple Durex constriction ring or similar from Lovehoney or Anne Summers. They can seriously help you achieve that extra 15 to 20 %.

Good luck

There are a number of practical steps you can take:-

- your post suggests to me that you are not under the care of an ED nurse? Have you asked whether there is an ED clinic / andrology service in your area and if so, ask the GP to refer you

- are you taking the sildenafil on an empty stomach and leaving sufficient time for it to work? In our house, John would have to take the Sildenafil in the afternoon to have intercourse in the evening, or at bed time for sex the next morning.

- is there a possibility that anxiety is preventing the tablets from working?

- are you actually randy at the right time - the tablets don't work without desire

- if the two work but not well enough, it is worth trying levitra - we have found it more effective than either of the others and it works slightly quicker (although John still needs to take it a couple of hours before the planned 'deed')

As CJ has suggested, a cock ring can improve a partial erection, and if you haven't already got one, you could ask the GP / ED nurse about a prescription for a vacuum pump. Then there is the range of creams / pellets / injections (although the cream / pellets don't seem to work for many men) - lots of things still to try!

Good luck

Others have already made the key point - put the ring on anytime, and the force with which blood flows in is greater than the outflow. If you can get to 70 or 80% you can get a ring to work.

What I can add, as somebody working my way through this at the moment, is that I have been surprised how tight the ring needs to be for penetrative sex. 

My experience is with a pump, and it comes with an array of ring sizes. Just for rehab, the largest ring works fine.

When masturbating, even a relatively large ring (one size smaller than the rehab ring) is enough to just slow down the outflow of blood and so build up a hard erection. However when I take that same ring into a partnered sex situation, there is simply too much movement going on, and the erection fades quickly.

I have to use a ring that is two sizes smaller to have a hope of keeping the erection long enough for ongoing penetrative sex. When I look at the ring it's almost scary - so much smaller than my normal erect girth. 

Wishing you good luck and hoping your way forward is hard....