Fildena 50 mg PDE5 inhibitor medication that is mainly used to treat Erectile Dysfunction in men. Besides treating Erectile Dysfunction i.e. ED in men, it also helps in treating conditions like pulmonary hypertension.The medicine has Sildenafil Citrate as a major active ingredient which promotes and maintains an erection during sex. Fildena 50 is a lighter dose as compared to its other variations under the same name