For the treatment of erectile dysfunction (ED), the effectiveness of Fildena 100 purple tablets or any other drug containing 100 mg of sildenafil citrate relies on the patient and their particular requirements. Like other drugs containing sildenafil citrate, Fildena 100 can help many ED sufferers get and keep an erection when sexually stimulated. It is essential to speak with a doctor before taking this tablet or any ED medicine. For many men with ED, this tablet's regular dose of sildenafil citrate (100 mg) works well. However, each person's response to this drug will be unique.