Patients who have served ED will only have short-term effects by taking the Vilitra. They will instantly get a temporary erection boost, but this will not cure their disorder completely. So, doctors prescribe a complete course of Vilitra for such patients, which they must follow.

Vilitra is an FDA-approved drug, so that we can trust it for more prolonged use. However, the doctor should allow it first. Also, the patient has to be very cautious with what time he is taking the pill and he is not overdosing himself.