Gauthierine is the trade name and generic name of Terazosin Hydrochloride Tablets, which is effective in lowering blood pressure and improving symptoms of benign prostatic hyperplasia. Terazosin Hydrochloride Tablets is a kind of α-adrenergic receptor antagonist, with the efficacy of lowering blood pressure and improving benign prostatic hyperplasia. Clinically, it is mainly used for the treatment of mild and moderate hypertension and improvement of symptoms such as difficulty in urination caused by benign prostatic hyperplasia. Adverse reactions may include nausea, peripheral tissue edema, palpitations (rapid heartbeat, often accompanied by panic), vertigo, etc.; Contraindications are prohibited for those with known sensitivity to alpha adrenergic receptor antagonists. This product is contraindicated in pregnant women, lactating women should stop breastfeeding when using this product; precautions for patients with renal impairment do not need to change the recommended dosage, and with other antihypertensive drugs should be careful to prevent the occurrence of hypotension. The drug needs to be taken in accordance with the doctor’s instructions, not blindly used on their own, so as not to cause adverse reactions.