0.4 mg of Urinfen An alpha-adrenergic antagonist called a capsule is used to treat benign prostatic hyperplasia. Urinary issues include trouble passing pee and the need to use the restroom frequently or urgently might result from an enlarged prostate gland. Urine flow may also become slower as a result. There is a chance that your urine flow will become totally obstructed if treatment is not received. 0.4 mg of Urinfen The capsule relaxes the muscles of the prostate and bladder. Therefore, it can quickly alleviate the symptoms and facilitate urination. To fully reap the benefits, though, it can take up to six months. For best results, use this medication exactly as directed.