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 penis to help a man get and keep an erection.Sore throats are common, but not dizziness, vision changes, nausea, or muscle aches. Drinking alcohol can increase certain side effects of vardenafil. Join now! Since vardenafil is used as needed, you are not likely to be on a dosing schedule. Vardenafil can be taken with or without food.In men without cardiovascular disease, erectile dysfunction (ED) pills are safe. The three rivals — Viagra, Cialis, Levitra and Stendra– have similar side effects, including headache, facial flushing, nasal congestion, diarrhea, backache, and, in a few Viagra or Levitra users, temporary impaired color vision (men with retinitis pigmentosa, a . Generic Viagra (sildenafil) is available as a , , , and milligram (mg) pill and in liquid form. It’s meant to be taken as needed — about an hour before sex — but shouldn’t be. 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.Are you anxious, depressed or under stress? Because appointments can be brief and there’s often a lot of ground to cover, it’s a good idea to be well prepared. Work through relationship issues. Write down any symptoms you’ve had, including any that might seem unrelated to erectile dysfunction. Have you had any other sexual problems? Swallow one tablet with a glass of water.