Vidalista 20 contains tadalafil, a potent medication in the pharmacological class of phosphodiesterase type 5 inhibitors. The fact that Vidalista 20 has long-lasting effects the medicine can stay in the bloodstream for up to 36 hours is one of its main benefits. Sexual action can be more flexible and spontaneous due to its longer duration, which enhances the experience for both partners. Pay close attention to the instructions on your prescription label, and ask your pharmacist or doctor to clarify any parts you don’t understand.