Erectile dysfunction can be treated with Vidalista 40 mg. A cheaper alternative to Cialis is Generic. A PDE5 inhibitor is a kind of medication called a phosphodiesterase type 5 (PDE5) inhibitor that contains tadalafil as its dynamic fixing agent. PDE-5 inhibitor Tadalafil Vidalista 60 mg dilates the blood vessels in the pelvic area of the body. The drug also relaxes and soothes sensitive muscles and tissues, allowing them to contract and expand quickly.