Tamsulosin tablets (correctly, tamsulosin hydrochloride orally disintegrating extended-release tablets) work to improve prostate hyperplasia. Side effects include dizziness and stomach upset. Tamsulosin hydrochloride orally disintegrating extended-release tablets improve bladder outlet obstruction caused by prostate hyperplasia, and the indication for the use of the drug is dysuria due to prostate hyperplasia. The main adverse effects of using this drug are dizziness and stomach upset, while serious adverse effects include syncope, loss of consciousness, hepatic dysfunction, and jaundice. In addition, adverse reactions such as dizziness, shaking sensation, headache, irritability, and numbness may occur in the psychoneurological system; adverse reactions such as decreased blood pressure, postural hypotension, tachycardia, and palpitations (accelerated heartbeat, often accompanied by panic) may occur in the circulatory system; and adverse reactions such as stomach upset, nausea, vomiting, constipation, stomach pain, and loss of appetite may occur in the digestive system. Contraindicated in allergic to this drug, pregnant women, lactating women, children. It should be used with caution when accompanied by severe hepatic dysfunction, severe renal dysfunction, postural hypotension, advanced age, and positive use of phosphodiesterase-5 inhibitors. Specific use of the drug should be carried out under the guidance of a specialist, not unauthorized use of the drug.