There are two major uses for Vidalista 2.5. The most popular is for the treatment of male erectile dysfunction. It helps men achieve an erection by increasing blood flow to the penis. It must be taken exactly as prescribed by your physician. You must be sexually excited in order for the medication to assist you in achieving an erection. If you have low blood pressure, recently suffered a heart attack or stroke, or have serious heart or liver issues, do not use this medication. Before taking it, let your doctor know if you have any of these or any other health issues. If you also take any nitrate-containing medications, avoid using this one.