Tamsulosin is primarily used in the treatment of benign prostatic hyperplasia (BPH), a condition where the prostate gland enlarges and causes urinary difficulties. It works by relaxing the muscles in the prostate and bladder neck, making it easier to urinate. This medication helps alleviate symptoms such as weak urine stream, difficulty starting urination, and frequent urination, especially at night. It is often prescribed to improve quality of life for men experiencing these issues. Tamsulosin is typically taken orally and is known for its targeted action on the prostate, minimizing effects on other parts of the body. It is important to follow dosage instructions carefully to achieve the best results.