Fildena double 200 is useful in treating erectile dysfunction in men. An ingredient called sildenafil citrate plays an important role in this medicine. This medicine increases the speed of blood in the penis. This medicine maintains an erection for hours during intercourse. The effect of this medicine can last for 4 to 6 hours. Alcohol or smoking should not be consumed while taking this medicine, as it is more likely to have side effects if taken. This medicine should always be taken according to the doctor's advice. For more information on this medicine visit our online store - fildenatablet.us.