Men who are taking nitrates or nitroglycerin Those with hypotension Men who have heart disease or heart failure ED can be the first sign of other health conditions, including cardiovascular disease and diabetes. Get treatment for alcohol or drug problems. What you can do Take these steps to prepare for your appointment: Ask what you need to do ahead of time. Using the ED medicines we prescribe puts you at greater risk of severe reactions such as extreme dizziness, fainting, heart attack, and stroke. Grapefruit and Seville oranges may interact with vardenafil and cause side effects. What should I do if I missed a dose of Levitra Vardenafil?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. Hearing loss or ringing in ears. Heart attack—pain or tightness in the chest, shoulders, arms, or jaw, nausea, shortness of breath, cold or clammy skin, feeling faint or lightheaded. Low blood pressure—dizziness, feeling faint or lightheaded, . Discounted total. $ $ Subtotal $ USD. Taxes and shipping calculated at checkout. The lowest prices for Vardenafil. Generic for Levitra 20mg / 10mg can be brought online. You will save up to 97% off the normal cost of the overpriced anti-ED medication.