Fildena 100 is a small purple heart-shaped tablet that is prescribed for men who are unable to get an erection. Fildena 150 contains sildenafil, Viagra got a license to use sildenafil as a patent medicine. Now you have drugs like Fildena XXX which are equally effective as they contain the same ingredient. There are different alternatives to Fildena 120 which come in 25mg, 50mg, 120mg, 150 and 200mg. a qualified medical specialist would know when it would be best to use each of them. Men who repeatedly find themselves with a flaccid penis when trying to have s*x should use Fildena professional 100 . The medical specialist usually conducts an assessment to determine which one is best for you.