hello doctor, thankingyou for reply for my previous question, sir as i told you that i have been suffering sleep related erection for last ten years .sir as soon as i sleep i have a erection which remains continue during my sleep,yet it was not painful so i was not bother about it but as years passed this problem cause a new problem this is disformation of my penis ,because of erection of 6-8 hours daily in sleep my penis gradually shinked and became too small and loose, i went to urologist they asked me for blood test, hormones test[ testestrone level] ultra sond of penis and scotrum, all reportes are found to be normal. so doctor gave me estrogen tablets and ketaconazole tablets to block the activity of hormones for prevent excessive noctural erections, but it is only partially working. so doctor pls told me what are the other effective medicines or sugery is possible to prevent excessive prolonged noctural erection, so that i could save my penis for further damages.