Fildena 50 mg contains sildenafil citrate 50 mg which helps in the treatment of erectile dysfunction in men.This medicine is only for the use of men.This is a mild side of dosage it's not too high or too low.Your doctor checks the severity of your condition and then gives you a proper dosage.ED is a very common problem nowadays so do not hesitate to make visit to your doctor.One more thing that you must do is to share your medical history with your doctor so they can analyze that this medicine is suitable for you or not.Sometimes we are allergic to some things and we don't know about them so its important to check that you are not allergic to the salt present in the medicine.Check the expiry date of this medicine before consuming it .Keep it away from the reach of children and your pet too if you have any.Sensually transmitted diseases cannot be prevented by its consumption.