Levitra is the pure remedy for erectile dysfunction(ED).ED refers to the inability of the erection of the penis for a long duration to achieve a good sexual intercourse. The main physical causes of ED are Diabetes, excessive cholesterol, metal poisoning, etc. Certain Neurological disorders like nerve damage in the pelvis region, spinal cord nerve injuries, etc. Buy Levitra Online cause it can increase the blood flow in the penis for a particular period which results in the erection of the penis to maintain longevity in sex. Levitra inhibits the action of PDE5 which helps increase the blood flow and extends the period of erection.