You should also call your insurance company to see if they cover erectile dysfunction medications. These medicines all work well for ED. Cialis tadalafil : This ED medication works with the same principle as Viagra, but lasts up to 36 hours. Find your nearest Higi machine or Pursuant Health machine at a pharmacy near you. Under 25 73 or older Have not had a physical exam in the past 5 years which included a genital exam Any condition where sex is not advised Taking the medicine nitroglycerin or other medicines that contain nitrates Don’t know your blood pressure Low blood pressure or unexplained fainting or dizziness Kidney disease Physical abnormality of the penis, including Peyronie’s disease Your assigned birth sex is female Delivery Services. Some platforms have a digital pharmacy that ships the medication to your home, while others send an electronic prescription to your local pharmacy.Consumer Reports Best Buy Drugs shares how you might be able to get generic Viagra, known as sildenafil, at a much lower price. Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes muscles in the penis, called nitric oxide. This boosts blood flow and helps you get an erection from . Learn More IF YOU CHOOSE BRAND-NAME VIAGRA, MAKE SURE YOU GET THE BRAND NAME 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 .