Do not use any other medicine to treat impotence unless your doctor tells you to. Staxyn vardenafil disintegrating tablets should not be used in place of Levitra vardenafil regular tablets. Swallow several times as the tablet dissolves. Drinking alcohol can increase certain side effects of vardenafil. If you receive medical care for heart problems, tell your caregivers when you last took vardenafil. Grapefruit and Seville oranges may interact with vardenafil and cause side effects. Since vardenafil is used as needed, you are not likely to be on a dosing schedule.Drugs & Medications. Levitra – Uses, Side Effects, and More. Generic Name (S): vardenafil. Uses. Side Effects. Precautions. Interactions. Overdose. Images. Reviews () Uses. Vardenafil is. 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 nose. 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.