What Is 150 mg of Fildena? The second-highest dose of the India-made generic drug Fildena, which provides a temporary fix for obtaining a strong erection, is 150 mg. The only ingredient in the medication that works to treat erectile dysfunction is a dose of Sildenafil. With just one pill, the medication will provide you a generic level dose and a dose corresponding to bringing a temporary curable stage of roughly 6 hours to post-use.