The generic name of Terazosin is Terazosin Hydrochloride, and the commonly used dosage forms include tablets and capsules, which are commonly used in the treatment of symptoms caused by benign prostatic hyperplasia, mild or moderate hypertension, and have the efficacy of alleviating the blockage of the bladder outlet, dilating blood vessels, and lowering blood pressure. Some patients may experience weakness, headache, palpitations, nausea, as well as drowsiness, peripheral edema, and other adverse effects after using terazosin hydrochloride. It is important to note that terazosin hydrochloride or analogs should be contraindicated in individuals who are hypersensitive to terazosin hydrochloride or analogs. For those who need to use Terazosin Hydrochloride, they need to consult a doctor in a regular hospital to learn about the relevant matters and use the medication under the guidance of the doctor.