Remove an orally disintegrating Staxyn tablet from the package only when you are ready to use the medicine. Follow all directions on your prescription label and read all medication guides or instruction sheets. Do not take vardenafil more than once a day. Do not take vardenafil more than once a day. Avoid consuming grapefruit products and orange marmalades. Follow all directions on your prescription label and read all medication guides or instruction sheets. Place the tablet in your mouth and allow it to dissolve without chewing.Vardenafil is the generic name of the drugs Levitra and Staxyn. It’s used to treat erectile dysfunction. Here’s how it works. sildenafil (Viagra) tadalafil (Cialis) vardenafil (Levitra, Staxyn) Caution: Do not use these ED medications if you take nitrates, such as nitroglycerin or a similar medicine, for chest pain. Levitra (vardenafil hydrochloride) is an oral medication taken to treat erectile dysfunction (ED). It’s in the same class of drugs as other popular ED medications, including Viagra and Cialis.