Vidalista tadalafil is a medication used to treat impotence. Since its key ingredient, tadalafil increases blood flow to the penis, men can achieve and maintain an erection during sexual stimulation. For the treatment of erectile dysfunction, tadalafil is prescribed as Vidalista. There is tadalafil in the medicine. To avoid the symptoms of an overdose when taking the recommended medication, do not take more than one pill within 24 hours of the previous dose. You can take the drug orally with a glass of water for 30 to 60 minutes before having any sexual activity. But make sure you swallow it whole. Do not break or eat the prescription.