Fildena 50 is a drug commonly used to treat edema. The main ingredient in this drug is sildenafil citrate. The use of this drug slowly relaxes the muscles in the body and increases the blood flow to the muscles. So that sexually aroused men can get enough blood and achieve erection easily. This drug should be taken 30-60 minutes before sexual intercourse. So that a better result of this medicine can be obtained. This medicine is 100% safe and effective.