Fildena is used to treat erectile dysfunction in men. This medicine contains an ingredient called sildenafil citrate. This medicine is taken to increase blood flow in the panels. This medicine can be taken before or after a meal. This medicine can be taken with water. Do not chew this medicine. You can take this medicine 30 minutes before intercourse so that you can enjoy with your partner. The effect of this medicine lasts for 4 to 5 hours. This medicine should not be used by women and children. You can take this medicine according to the doctor's advice.