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. Insurance can help you save even more on consultations and medications. Both options require valid medical documentation, but some online services only require a health questionnaire to be filled out and reviewed for approval—meaning no face-to-face video interaction is needed. The benefit of Cialis is that you only have to take one and it stays active for up to 36 hours other ED drugs average about 4 or 5 hours. Other warning signs of an unsafe online pharmacy include outdated medication, no customer service, or suspiciously low prices. Stendra is an on-demand treatment that starts to work from 15 minutes after you take it. Most erectile dysfunction medications belong to the drug class known as PDE5 inhibitors , which help relax the muscles and increase blood flow to allow for a full erection.Many types of drugs are used to treat erectile dysfunction (ED). Learn about your options so that you and your doctor can choose the one that’s best for you. Health Conditions. AdGet Harder Erections Instantly! 30 Day Risk-Free test1.ruts: Enhancement Pills, Enlargement Pumps, Replacement Parts and more. AdTake Charge of Your Sexual Health with Our Top-Rated Male Enhancement Products! Reviews and Comparisons Of The Best Male Enhancement Products. See Which Products WorkK+ visitors in the past month.