Vidalista pills is used as an impotence treatment. This medicine is essential and effective in treating erectile dysfunction. This medicine helps men feel their erection during sexual activity. The drug tadalafil has a component that helps to increase blood flow to the penile tissues in males. Take this drug one hour before engaging in any sexual activity. Adhere to your doctor's instructions when using this medication. You can take this medication with or without food. The half-life of this drug is four hours.