Vidalista 20 medicine is used to treat male sexual function problems (impotence or erectile dysfunction-ED). In combination with sexual stimulation, tadalafil works by increasing blood flow to the penis to help a man get and keep an erection. Strong erection can be achieved by using this medicine about 30 to 40 minutes before intercourse. You should not change the dose of the pills suddenly as it may cause side effects. You can get this medicine with good offer from our store.