Everyone is going to have a different answer. I think the key is to start low, & titrate up SLOWLY. My advice (based on a common formula of: Papaverine 30mg/mL, Phentolamine Mesylate 1mg/mL, Prostaglandin E1 10mcg/mL) I would start at .03 ml & go up from there.
For example, last night I did my...