Yes, Vidalista 5 mg is a PDE5 inhibitor. The active ingredient in Vidalista 5 mg is Tadalafil, which works by inhibiting the enzyme phosphodiesterase type 5 (PDE5). This action helps to relax the blood vessels in the penis, improving blood flow, which makes it easier to achieve and maintain an erection when sexually stimulated.

PDE5 inhibitors like Tadalafil are commonly prescribed for the treatment of erectile dysfunction (ED) and sometimes for pulmonary arterial hypertension. Vidalista 5 mg, in particular, is often used for its ability to provide a long duration of action, lasting up to 36 hours in the body, making it a popular choice for individuals who want more flexibility in timing.