You can order generic levitra online from our online website at a great discount upto 30% off on all products and also gives hassle free overnight delivery. However levitra is a medicine used to treat the erectile dysfunction in adult men. Levitra uses vardenafil as its active ingredient that works by increasing the blood flow of the blood vessels present in the penile region. This increasing blood flow results a man to get an erection. However viagra also does the same work as levitra, but levitra is more powerful than that of viagra. A 10 mg of levitra is equivalent to 50 mg of viagra. Generally levitra is taken 25 to 60 minutes before any sexual activity. This medicine can be taken orally with or without food, but taking alcohol or marijuana is not advised. Some side effects of levitra are: