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. People who are taking nitrates cannot, under any circumstances, use ED medication. You can see an in-person provider or speak with a doctor virtually. People taking nitrates like nitroglycerin Nitrostat or isosorbide mononitrate Imdur should not take PDE5 inhibitors, as doing so could result in a dangerous drop in blood pressure. Shipping: Discreet, fast shipping is a must. The good news is that you can take steps to improve your relationship with sex and reduce some of the pressure to perform.If you’re looking for convenience or discretion while shopping for Viagra online, you will first need a prescription. Thankfully several telehealth companies, such as Hims, Roman, . According to price-comparison site , generic Revatio will cost you as little as $ per pill, depending on where you fill your prescription. That’s compared with . Drug Images What is Viagra? Viagra is a brand-name prescription drug that’s approved to treat erectile dysfunction (ED). With ED, you’re unable to have or maintain an erection. .