This site is intended only for U. Your doctor or other health care professional can recommend one for you based on these factors, other health conditions you have and any other medicines you take. When choosing one, tell your doctor or other health care professional what your preferences are, such as cost, ease of use, how long the drug’s effects last and side effects. How oral medicines differ Each oral medicine for ED has a slightly different chemical makeup. Such patients must not apply any out-of-pocket expenses incurred using this Savings Offer toward any government insurance benefit out-of-pocket spending calculations, such as Medicare Part D true out-of-pocket TrOOP costs You are responsible for reporting use of this Savings Offer to any private insurer, health plan, or other third party who pays for or reimburses any part of the prescription filled using this Savings Offer, as may be required. It lasts 4 to 5 hours, or longer if you have mild to moderate ED. As with sildenafil, a high-fat meal or alcohol keep the body from absorbing it as quickly.Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes . Extra 15% off $30 sitewide with code SAVE15; Clip your mystery deal! BOGO 50% off select Walgreens health & wellness. Find your nearest Walmart Pharmacy in Phoenix, Arizona. View store hours, reviews, contact information and prescription savings with GoodRx.