Terazosin Hydrochloride Tablets are usually required to be taken for a long period of time in the absence of significant side effects. Terazosin Hydrochloride Tablet is mainly used for the treatment of prostate enlargement and high blood pressure, and both of them are chronic diseases. Therefore, if you take this medicine with good results and no obvious side effects, you need to take it for a long time to control your condition. It is contraindicated in pregnant women, those who are allergic to this drug, those who are sensitive to alpha adrenergic receptor antagonists, and nursing women should stop breastfeeding when taking this drug. Adverse effects of taking this drug include nausea, palpitations (rapid heartbeat, often accompanied by panic), weakness, vertigo, drowsiness, blurred vision, and peripheral edema. In addition, if a patient takes the drug ineffectively or if a serious adverse reaction occurs, it should not be taken for a long period of time, in which case the drug should be adjusted as prescribed by the doctor. It is recommended to take terazosin hydrochloride tablets under the guidance of a doctor, not blindly self-medication to avoid adverse effects.