A newer form of the medicine that dissolves on the tongue might work faster than the pill that you swallow. If approved, the provider will issue a prescription. These medicines are called PDE5 inhibitors. Read our editorial process. Some examples of nitrates are nitroglycerin Nitro-Dur, Nitrostat, others , isosorbide mononitrate Monoket and isosorbide dinitrate Bidil. They have the same benefits and risks as their brand-name counterparts.In fact, a recent review of studies found that some counterfeit drugs contained a very high, dangerous level of sildenafil that far exceeded a typical prescription dosage. In , the. It’s no longer sold under the brand name Levitra, but it’s available as generic tablets and orally disintegrating tablets (ODTs). Common side effects of vardenafil include headache, flushing, and stuffy g: walmart. Valid at all major chains including Walgreens, CVS Pharmacy, Target, WalMart Pharmacy, Duane Reade and 65, pharmacies nationwide. No manufacturer promotions could be found for this medication. Patient Assistance & Copay Programs for Levitra.