off taking half a 50mg tablet . It certainly worked but I felt it was just a bit too much. I now cut tablet into http://forum.waterkant.net/viewtopic.php?pid=667990#p667990 4 and find a quarter of a tablet makes all the difference and barely gives me any side effects. The half tablet dose was too much for me. It gave a very strong erection but reduced the sensations and gave me a slight headache . So I reckon it's worth experimenting to find