If you suspect that you or someone else might have taken an overdose of this medicine, go to the accident and emergency department of your local hospital. This is not a complete list of side effects and others may occur. Do not use in larger or smaller amounts or for longer than recommended. Store at room temperature away from moisture and heat. For these reasons, before you start taking vardenafil it is important that your doctor knows: If you have any disease, injury or deformity of your penis. An erection will not occur just by taking a pill. Use the medicine exactly as directed.LEVITRA (vardenafil HCl) is formulated as orange, film-coated round tablets with debossed “BAYER” cross on one side and “5”, “10”, and “20” on the other side equivalent to 5 mg, 10 mg, and 20 mg of vardenafil, respectively. History. Vardenafil was co-marketed by Bayer Pharmaceuticals, GlaxoSmithKline, and Schering-Plough under the brand name Levitra. As of , the co-promotion rights of GSK on Levitra have been returned to Bayer in many markets outside the US. In Italy, Bayer sells vardenafil as Levitra and GSK sells it as Vivanza. Levitra, known by the generic name vardenafil hydrochloride, is an erectile dysfunction (ED) medication first manufactured by the German company Bayer Pharmaceuticals in as a competitor to.