Fildena 150 mg is a medicine designed to address ED symptoms in men. Its active ingredient, sildenafil citrate, is classified as a PDE5 inhibitor medications, which work by relaxing blood vessels and improving blood flow to the penis during sexual stimulation. This helps men achieve and maintain a firm erection. Fildena 150 mg should be taken about 30 to 60 minutes before sexual activity, and its effects can last up to 4-6 hours. It is important to use this medication under medical supervision, avoid excessive alcohol, and not exceed the recommended dosage for safe and effective results.