Fildena 100 is used to treat erectile dysfunction (impotence). It relaxes muscles in the penis and increases blood flow to it, which helps men achieve and maintain an erection. ED is a common problem for men, and it can cause sex problems as well as stress. It may also affect sleep habits, diet and cause problems between partners. The most common cause of erectile dysfunction is stress and work pressure, but it can also be caused by diabetes or high cholesterol levels. Moreover, it can result in low self-esteem and depression. The drug is available in different strengths including 25mg to 50mg, 100mg and buy fildena 150 extra power. It contains the active ingredient sildenafil citrate and is a member of PDE5 inhibitor medicines.