Phenobenzylamine Hydrochloride Tablets work to treat diseases caused by prostate enlargement. This product is an adrenaline α-blocker, which has the ability to selectively block the α-receptors in the prostate gland and relax the contracted prostate body fibromuscular tissues, thus relieving and alleviating the symptoms of urethral obstruction. So clinically the drug is not only used for the treatment of urinary difficulties due to non-mechanical obstruction caused by prostatic hyperplasia, but also used to prevent the occurrence of urinary retention. Some patients have mild adverse reactions such as dry mouth, nasal congestion, dizziness and fatigue after using the drug. The drug is contraindicated in people with severe cardiovascular disease or cerebrovascular accident. After using the drug should rest a little, to prevent postural hypotension; pregnant women and lactating women, children and other use of the drug is not clear. If you need to use the drug, it should be used under the guidance of a physician.