Successful Self Penile Injection Hints, Questions and Answers

4. Papaverine plus phentolamine plus Alprostadil (Trimix) is the most potent but requires refrigeration and has the same side effects as Papaverine and Alprostadil. Q6. How do these medications work to produce an erection? A6. These drugs create an erection by relaxing the smooth muscles and widening the blood vessels in the penis. ................
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