Prolonged erection: If an erection lasts longer than 4 hours a rare occurrence , seek immediate medical assistance. The specific process for getting ED pills online depends on your chosen provider. Medical consultations were also taken into consideration, as PDE5 inhibitors require a valid prescription from a licensed medical provider. This allows the smooth muscles in the penis to relax and fill with blood. Depending on your specific circumstances, your doctor may want you to: stop taking one of the medications, change one of the medications to another, change how you are taking one or both of the medications, or leave everything as is.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. Min $ – Max $ 5OFFVIAGRA. $15 OFF – Next Viagra Order. Minimum $ Purchase. CDD15VIAGRA. 5% OFF – Next Viagra Order. No Minimum – Maximum $ Discount. 5SLDCDD. Viagra Coupons. 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.