Men use Fildena 150 to treat erectile dysfunction and impotence. The active ingredient in this medication, sildenafil, aids men in achieving powerful erections during intercourse. Take this medication half an hour before having any sexual activity with your partner to make sure you can enjoy it. This medication can be taken with or without food. This medication takes four to six hours to start working. Since this medication slows down the condition's effects, avoid taking it with fatty foods or cold beverages. When taking this medication, follow your doctor's directions.