Most of the men suffer from sexual problems and cannot maintain an erection for a long time with their partner. Vilitra 20 medicine should be used to treat these problems. Vilitra 20 contains the active ingredient vardenafil. It is necessary to consult a doctor before taking this medicine. You can take this medicine before or after meals. The effect of this medicine is observed for 4 to 5 hours. This medicine is taken 30 minutes before sexual intercourse.