What is Fildena XXX 100mg? Any man diagnosed with erectile dysfunction can use Fildena XXX 100 mg after consulting his doctor. It allows men to enjoy s*x for about 5 hours with each pill. But make sure not to use it on women or children under 18 years of age. Also, it is not a good choice if you are willing to treat a s*xually transmitted disease or something other than erectile dysfunction....