A phone or video consultation is sometimes required for legal purposes. Generic versions of sildenafil, vardenafil and tadalafil are available. Then the Lemonaid pharmacy, licensed in all 50 states, will ship your meds directly to your door in discreet packaging. Recent heart or blood vessel problems. Medical consultations were also taken into consideration, as PDE5 inhibitors require a valid prescription from a licensed medical provider.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 . The basic cost of Levitra is approximately: Brand name: $ to $1, for ten to thirty 10 mg tablets. Generic: $ to $ for ten 10 mg tablets. But your out-of . The best dose of Levitra for you is one that provides benefits with minimal risk. Increasing your dose of Levitra may not be more effective for ED and may increase .