Fildena 100mg is a drug used to treat impotence and is very effective in treating erectile dysfunction (ED). It is recommended to take this drug 30 minutes before sexual intercourse so that the patient can enjoy sexual intercourse with their partner. The active ingredient in Fildena 100mg is sildenafil, which helps to improve blood circulation to the penis. The effects of this drug last for 4-6 hours. It should be taken orally with water and not broken or chewed. The patient should take this medication as directed by their doctor. Alcohol and fatty foods should be avoided when taking this drug. It is only recommended for men over the age of 18.