The effects of Vidalista 20 typically persist for up to 36 hours. This means that if you're sexually stimulated, you can get an erection at any time during the next 36 hours after taking Vidalista Professional. Tadalafil, an inhibitor of phosphodiesterase type 5 (PDE5), is present in Vidalista 20. It functions by letting more blood enter the penis during sexual stimulation by relaxing the blood vessels in the penis. A typical prescription for Vidalista is , given 30 to 60 minutes prior to engaging in sexual activity. Depending on each person's response and tolerance, the dose can be adjusted. It's crucial to understand that vidalista vs viagra works best when you're experiencing sexual stimulation. It should be used in conjunction with preventive measures as it offers no protection against STDs.