Vidalista 20mg tablet contain an active ingredient called tadalafil which is an effective medicine for the treatment of men suffering from erectile dysfunction. The effect of vidalista 20 lasts for 36 hours. Take this medicine one hour before sexual intercourse. This medicine can be taken orally with water. But do not take vidalista tablet with alcoholic beverages. Because it reduces the effect of the drug. Do not take this medicine if you are suffering from any other disease.