Drug interactions Finding the best treatment for erectile dysfunction means prioritizing your safety. Payment options: Consider how you’d like to pay. It might work longer if you have mild to moderate erectile dysfunction. Interactions What drugs and food should I avoid while taking Levitra Vardenafil? Levitra could be available in 4 different doses – 2. Your health information should remain between your provider and yourself.Lemonaid can prescribe sildenafil (generic Viagra), tadalafil (generic Cialis), and vardenafil (generic Levitra). You can get a prescription online following a quick and easy visit with a member of our clinical team. Then the Lemonaid pharmacy, licensed in all 50 states, will ship your meds directly to your door in discreet packaging.  · Levitra relaxes muscles and increases blood flow to particular areas of the body and is used to treat erectile dysfunction. Learn about side effects, interactions and indications. 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.