Tamsulosin extended-release tablets generally refers to tamsulosin hydrochloride extended-release tablets, the drug can not cure premature ejaculation. Tamsulosin hydrochloride extended-release tablets are clinically used to treat urinary disorders caused by prostate enlargement, such as frequent urination, increased nocturia, urinary difficulties, so it can not cure premature ejaculation. Tamsulosin hydrochloride extended-release tablets can block the smooth muscle α1 receptor in the bladder neck, prostate gland and peritoneum, reduce smooth muscle tension, lower urinary tract resistance, and improve urinary obstruction caused by prostate hypertrophy. Taking tamsulosin hydrochloride extended-release tablets may cause nausea, vomiting, loss of appetite, rash, dizziness, hypotension, tachycardia and other adverse reactions. Tamsulosin Hydrochloride Extended-Release Tablets are contraindicated for those who are allergic to certain ingredients; contraindicated for patients with renal dysfunction. Postural hypotension should be used with caution; combined with other drugs, drug interactions may occur. It is recommended to use the drug under the guidance of a physician, not self-medication.