The medication was developed by U. Healthcare providers have experience talking about ED and providing treatment options without any judgment or shame. Which Is More Effective? PT 3 min read Medicare prices could change in Talk with your healthcare provider about your sex life and desired use.10 mg 20 mg The cost for these different strengths depends on whether you have insurance, your individual plan coverage, and your treatment plan. For example, Cialis for erectile dysfunction. · It’s not available over the counter. Oral medicines for ED usually work well and cause few side effects. The four main medicines taken by mouth for erectile dysfunction are: Avanafil (Stendra). Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors.