The drug Vidalista 40 mg, whichcontains tadalafil, is mainly used to treat male erectile dysfunction (ED). Ithelps achieve and sustain a hard erection when sexually stimulated by relaxingblood vessels and enhancing blood flow to the penile area. It is a member ofthe PDE5 inhibitor medication class and, under medical supervision, may also beadministered for specific cases of pulmonary arterial hypertension (PAH) orbenign prostatic hyperplasia (BPH).