Men with erectile dysfunction and impotence can be treated with Vidalista 80 mg. Tadalafil is an ingredient in this medication that helps men achieve a strong erection during sexual activity. This medication can be taken one hour prior to sexual activity. Only men who are at least eighteen years old should use this medication. This medication has a 36-hour half-life. Alcohol and fatty foods will slow down the medication's effects, so avoid taking them together.