An erection results from an increase in blood flow to the penis. Now, the Drug Enforcement Agency DEA has proposed new rules that will require an in-person visit for anything more than a day supply of controlled substances to be filled by an online pharmacy. It may be difficult to remain firm despite wanting to have sex. Medicines that block an enzyme called CYP3A4. A newer form of the medicine that dissolves on the tongue might work faster than the pill that you swallow. What Are the Symptoms of Erectile Dysfunction?1 day ago · If you’re interested in buying Viagra online, five of the best options available are Hims, Roman, Lemonaid, Optum Store, and REX MD. Read on for full details on the process and pricing. A quick. Can you get Viagra without a prescription? You cannot legally get Viagra in the United. Generic Viagra (sildenafil) is an alternative to the branded Viagra drug that can be used for treating erectile dysfunction (ED). It’s now sold by many manufacturers, including online.