However, all medications come with risks. Insurance can help you save even more on consultations and medications. However, others work on a cash-pay basis and don’t partner with insurance companies. According to the FDA, generic medications contain the same active ingredients as brand names, meaning there’s no difference in effectiveness or safety. Our erectile dysfunction Rx options We offer prescription medications clinically proven to help improve erections. Erectile dysfunction medications require a prescription from a licensed provider. This is important for your overall health and safety, as certain medications can negatively interact with each other or cause existing conditions to worsen.Cialis (tadalafil) is a prescription medication for those with erectile dysfunction. Many providers sell Cialis online — learn about the safest and most discreet providers here. Learn more about Cialis oral This is a generic drug. The average cost for 30 Tablet(s), 5mg each of the generic (tadalafil) is $ You can buy tadalafil at the discounted price of $ by using the MDRx coupon, a savings of 93%. Tadalafil (Cialis) is a phosphodiesterase-5 enzyme (PDE-5) inhibitor. It works by blocking PDE This is a protein in your body that breaks down the molecules that normally cause an erection. When it blocks PDE-5, tadalafil (Cialis) helps an erection occur by allowing certain muscles in the penis to relax and the penis to fill with blood.