That depends on the online pharmacy and is changing. There are many safe, reliable online services offering ED prescriptions. Other conditions that may disqualify you from an ED prescription include a history of stroke, kidney or liver disease, cancer, diabetes, or a bleeding disorder. The most common symptoms of erectile dysfunction include difficulty achieving or maintaining an erection and reduced sexual desire. When taking ED medication, it’s important to follow dispensing directions if you want the drugs to work as designed.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 Missing: amazon. Transfer your prescription for Sildenafil (Generic for Viagra, Oral Tablet) on Amazon Pharmacy. FREE SHIPPING for Prime test1.ru Account Returns & Orders. Our 12 Picks for Online Pharmacies of If you need medication delivered here are the best online pharmacies—and how to choose the right one for you By Natalie Rahhal Updated on April 21, Medically reviewed by Chris Vincent, MD Fact checked by James Lacy Print We independently evaluate all recommended products and services.