Vidalista Black belongs to the class of PDE5 inhibitors. It works by increasing blood flow to the penile region, which widens the blood vessels and produces a strong, long-lasting erection. Vidalista Black is a pill that males between the ages of 18 and 65 can use to have an erection. The medication is frequently called Vidalista Black. It is not advisable to chew the tablet. You can either hold the tablet under your tongue to allow the medication to resorb, or swallow the full tablet with a glass of water. Never combine two dosages at one go. It should be kept at room temperature for storage. The most common side effects of this pill include congestion in the nose, flushing, indigestion, back pain, and headaches.