Fildena CT 100 mg chewable tablet is a generic Sildenafil Citrate tablet that is a preferable choice to improve erectile dysfunction symptoms. Fildena CT 100mg contains Sildenafil Citrate as the active ingredient of this medication that helps men get a prolonged, harder erection.This increased blood flow can cause an erection. Sildenafil treats PAH by relaxing the blood vessels in the lungs to allow blood to flow easily.