Also, alcohol consumption can reduce the effect of the drug. For oral dosage form tablets : Adults 65 years and older—5 milligrams mg as a single dose, no more than once per day, approximately 1 hour before sexual activity. Your doctor may adjust your dose if needed. If needed, it should be consulted with the physician Keep from freezing. The amount of medicine that you take depends on the strength of the medicine.Vilitra 20 mg is a generic version of Vardenafil, which is a PDE5 inhibiting drug. It is an oral treatment and it offers temporary treatment for the problem of erectile .  · For oral dosage form (tablets): Adults 65 years and older—5 milligrams (mg) as a single dose, no more than once per day, approximately 1 hour before sexual Missing: vilitra · online. Vilitra 20 Tablet is used in the treatment of Erectile dysfunction. View Vilitra 20 Tablet (strip of 10 tablets) uses, composition, side-effects, price, substitutes, drug .