Generic vs. Just log in to your Treated account and send them a message. Here are some key factors to consider when deciding: Pricing: Know how much your monthly supply will cost with shipping and tax. Yes, ED pills can cause side effects. However, others work on a cash-pay basis and don’t partner with insurance companies. 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. You should also call your insurance company to see if they cover erectile dysfunction medications.Availability Available See GoodRx coupons warning Are you looking for information on sildenafil (Revatio) instead? What is Sildenafil (Viagra)? Drug Facts . CHOOSE BRAND-NAME VIAGRA. The original little blue pill prescribed by doctors for over 20 years. Clinically proven to treat men with erectile dysfunction (ED) Ongoing . Sildenafil is a generic drug, which is an exact copy of the active drug in a brand-name medication. The generic is considered to be as safe and effective as the .