TweetGood info BigPapa. I was under the impression this drug could and is used on an as needed basis like viagra only not to cause an erection but to enhance sexual desire and intensify orgasms, as well as speed up recovery time between orgasms. I was going to buy a box of 8 tabs and take prior to having sex (a few hours) but not on a regular basis. Would this be a waste? Is there a certain amount of time you have to be on the drug ( .25-.5 mgs every 4 days) before it works or can I just take as needed?