Vidalista 20 mg includes tadalafil, a medication often used to treat erectile dysfunction. Tadalafil's effects can extend up to 36 hours in some men, which is why it is commonly referred to as a "weekend pill." However, this does not imply that you will have a continual erection. Sexual stimulus is still required to produce an erection. The length varies depending on age, health, metabolism, and other medications being used. Vidalista 20 should only be taken when prescribed by a healthcare expert. Do not exceed the suggested dose, and seek medical attention if you get unusual or prolonged symptoms.