Insurance: If you plan to use insurance, make sure the online provider accepts it. Oral ED medicines might not work or might be dangerous if you also take any of the following: Nitrate medicines. Does Levitra work? You may need urgent medical attention. Do not double up the dosage or take it with other ED medications.Buy Levitra and enjoy your maximum sexual performance. Levitra 20mg (Vardenafil) will help you fight ED. Choose generic Levitraand live your life to the fullest. B-Safe Masks Foot Essentials Pointe Shoe Essentials Ribbons & Elastics. Levitra (Vardenafil HCl) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Ask your doctor if it is safe for you to have sexual activity. Have low blood pressure or have high blood pressure that is not controlled. Have pulmonary. Levitra is not a cure for ED and you still need to be aroused for the medication to work. Levitra and its generic version (vardenafil) are available in doses of: milligrams. 5 milligrams.