Vidalista 80 is effective and helps to fight the problem of erectile dysfunction. It contains Tadalafil which helps to strengthen and strengthen the blood circulation through the penis. The drug will help you get an erection only if you are sexually aroused. You should take it one hour before you plan to have sex. The amount of time it takes to work varies from person to person, but it usually takes between 30 minutes and an hour. The effect of this medicine usually lasts for 3 to 4 hours. A portion should not be taken more than once in 24 hours.