Vidalista professional medicine is effective and helps fight the problem of erectile dysfunction. It contains tadalafil which helps to strengthen and strengthen the blood circulation through the penis. Medication will only help you get an erection if you are sexually aroused. You should take it an 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. The portion should not be taken more than once in 24 hours.