Vilitra 60 is a very popular drug used to treat impotence or sexual problems. Vardenafil is the main ingredient in this medicine. The use of this drug loosens the muscles in the body and increases the blood flow in the muscles. So that erection can be easily achieved during sexual activity and sustained for a long time. This medicine should be taken only once a day otherwise it may cause side effects. The effect of this drug is usually in 30-40 minutes and lasts for 4-6 hours. This medicine is 100% safe and effective.