Stop using vardenafil and get emergency medical help if you have: heart attack symptoms–chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating; vision changes or sudden vision loss; or erection is painful or lasts longer than 4 hours prolonged erection can damage the penis. You can see an in-person provider or speak with a doctor virtually. What side effects can this medication cause? Staxyn vardenafil disintegrating tablets should not be used in place of Levitra vardenafil regular tablets. According to the FDA, generic medications contain the same active ingredients as brand names, meaning there’s no difference in effectiveness or safety.Vardenafil side effects. About 40 percent of people experience side effects that are usually mild when taking PDE5 inhibitors. The most common side effects of vardenafil include: dizziness. 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 depend on a few . You may already know most of the names: Cialis, Levitra, Staxyn, Stendra, Viagra. Learn more about these medications that can help men with erectile dysfunction get and keep an erection.