Vilitra 40 is a drug used to treat erectile problems or impotence in men. In this medicine, the main ingredient named vardenafil plays an important part. This drug helps to increase the blood flow to the penile muscles by relaxing the blood vessels. This medicine is taken one hour before the sexual period. Fatty food or cold drinks should not be consumed after taking this medication, as it slows down the effect of the medication. This medicine is taken only once in 24 hours.