Yes, ED pills can cause side effects. Finding an online ED provider can feel overwhelming. Lemonaid can prescribe sildenafil generic Viagra , tadalafil generic Cialis , and vardenafil generic Levitra. What should I do if I missed a dose of Levitra Vardenafil? With real medication, you know exactly what you are getting, safely prescribed by a physician and used by many others to great effects. Huang, S. It is therefore essential that you check every combination with your physician who will let you know whether Levitra can be used concomitantly with the medications you are already using.Uses. Vardenafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED). In combination with sexual stimulation, vardenafil works by increasing blood flow to the. How much they cost. Your healthcare provider might also recommend one over another depending on whether your ED is mild or more severe. Sildenafil (Viagra), tadalafil (Cialis), vardenafil (formerly sold under the brand names Levitra and Staxyn), and avanafil belong to a class of drugs known as “PDE5 inhibitors.” PDE5 inhibitors increase . 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-pocket cost for Levitra may.