Kidney disease that needs to be treated with dialysis. Side effects Side effects of oral ED medicines are often mild. Your healthcare provider will discuss which dose is right for you. Cialis can be taken daily, providing constant treatment for ED for people who have sex frequently. Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. Which Is More Effective? Data shared with Viatris will be aggregated and de-identified; it will be combined with data related to other Savings Offer redemptions and will not identify you Viatris reserves the right to rescind, revoke, or amend this Savings Offer without notice No membership fees.Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes muscles . Sexual enhancement tablets are not FDA-approved over-the-counter medications, so they typically contain natural ingredients. Oftentimes, these ingredients include herbs that have a history of use as aphrodisiacs or folk treatments for impotence (inability to achieve or maintain an erection). Among these herbs are Korean ginseng. Only 5% of males between the ages of 20 and 39 report ED symptoms, while over 70% of males over 70 report difficulty having or maintaining an erection. The most commonly prescribed medications to treat ED are PDE5 inhibitors like Cialis (tadalafil) and Viagra (sildenafil).