Fildena 25 is one of the best and most effective drugs used to treat serious sexual problems like erectile dysfunction in men. An active ingredient called sildenafil citrate plays an important role in this medicine. This drug improves blood flow to the blood vessels in the penis and helps men achieve a stronger erection for longer. The efficacy of this drug lasts longer than other drugs. This drug usually gives effective results within 24-36 hours. You can read fildena 25 reviews to know its effectiveness before taking this medicine.