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 .That depends on the online pharmacy and is changing. If it is not treated right away, priapism can permanently damage your penis sudden vision loss in one or both eyes. This site is intended only for U. Most online pharmacies do not prescribe or refill controlled substances, like Adderall, Xanax, or oxycodone. In some patients, the use of VIAGRA with alpha-blockers can lead to a drop in blood pressure or to fainting medicines called HIV protease inhibitors, such as ritonavir Norvir , indinavir sulfate Crixivan , saquinavir Fortovase or Invirase , or atazanavir sulfate Reyataz some types of oral antifungal medicines, such as ketoconazole Nizoral and itraconazole Sporanox some types of antibiotics, such as clarithromycin Biaxin , telithromycin Ketek , or erythromycin other medicines that treat high blood pressure other medicines or treatments for ED VIAGRA contains sildenafil, which is the same medicine found in another drug called REVATIO.Your prescription may have been filled with a generic version instead of brand-name VIAGRA. Follow the steps below to help ensure you receive the brand name your doctor . Online pharmacies allow you to fill prescription medications from the comfort of your home using a pharmacy site or an app rather than having to fill them in person. An online . 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 .Levitra vardenafil : This medication is taken one hour before sex and can last up to 24 hours. If approved, the provider will issue a prescription. Finally, we checked customer reviews to better understand user experiences with each platform. What Are the Symptoms of Erectile Dysfunction? Your health information should remain between your provider and yourself. They have the same benefits and risks as their brand-name counterparts.