Vardenafil On this Page Treatment & Uses Safety Information Before Using Treating Overdose Side Effects Generic Name: Vardenafil (var-DEN-a-fil) Brand Name: Levitra Vardenafil is used for: Treating erectile dysfunction (ED). It may also be used for other conditions as determined by your doctor. Vardenafil is a phosphodiesterase type 5 (PDE5) inhibitor. It works by helping to increase blood flow into the penis during sexual stimulation. This helps you to achieve and maintain an erection. Do NOT use Vardenafil if: you are allergic to any ingredient in Vardenafil you have been advised by your doctor to avoid sexual activity because of heart problems you have certain heart problems (eg, severe heart failure, angina), low or high blood pressure, severe liver problems or severe kidney problems that require dialysis you have certain hereditary degenerative eye problems (eg, retinitis pigmentosa) you have had a heart attack, stroke, or life-threatening irregular heartbeat within the past 6 months you have a history of a certain type of irregular heartbeat (eg, congenital QT prolongation) or you take certain antiarrhythmic medicines (eg, quinidine, procainamide, amiodarone, sotalol) you are taking a nitrate (eg, isosorbide, nitroglycerin) in any form (eg, capsule, ointment, patch, tablet), or nitroprusside you use certain recreational drugs called "poppers" (eg, amyl nitrate or nitrite, butyl nitrate or nitrite) you take another PDE5 inhibitor (eg, sildenafil, tadalafil) or another medicine that contains vardenafil Contact your doctor or health care provider right away if any of these apply to you. Before using Vardenafil : Some medical conditions may interact with Vardenafil . >>>