This drug is also commonly known as Generic Levitra and thus shares the ingredient Vardenafil.Levitra as a trademark was established from Bayer AG. It is a potent drug and treatment to erectile dysfunction and weak and satisfactory sexual performance. EFFECT OF VILITRA Vilitra 20mg should be taken an hour before sex. It should not be taken twice in a day, as Vilitra’s effects last for 9 hours. SIDE EFFECTS OF VILITRA Vilitra is considered safe if taken according to prescription and standard indications. Using Vilitra is not safe if: you have liver or kidney problems you have had stroke heart attack before allergy to Vardenafil low blood pressure high blood pressure or any condition treated by nitrates such as nitroglycerin, amyl nitrate, isosorbide, butyl nitrate, nitroprusside, quinidine, and amiodarone. Likewise, taking Vilitra regularly or in large doses may cause: fainting dizziness blurred vision drowsiness lightheadedness and fever. It may also cause: flushing stuffy nose itchiness swelling of the tongue lips and face hearing loss chest pain breathing problems body pain, and painful erection. IT IS IMPORTANT NOT TO TAKE VILITRA 20MG WITH LIQUOR, OR TO COMBINE IT WITH OTHER DRUGS, ESPECIALLY THOSE USED TO TREAT ERECTION PROBLEMS. To maximise the effect of the drug, sexual stimulation is needed. Vilitra should also be taken with food.