Tamsulosin Hydrochloride Extended-Release Capsules may interfere with sleep with the following precautions. Tamsulosin Extended-Release Capsules can dilate the urethra, relieve bladder and urethral spasms resulting in symptoms of frequent and urgent urination. Clinically, it is mainly used for symptoms such as frequent urination, increased nocturia, difficulty in urination caused by prostate inflammation, prostate hyperplasia, and overactive bladder syndrome in women, etc. It must be used in accordance with medical advice. The side effects of Tamsulosin Hydrochloride Capsules are mainly manifested as nocturnal postural hypotension, that is, the patient may experience dizziness, fainting, or even sudden collapse secondary to postural hypotension during the night when he/she suddenly gets up. For the side effects of tamsulosin, it is necessary to tell the patient in the use of the process, pay attention to get up slower at night, if there are obvious symptoms of urinary urgency, try to put the potty on the side of the bed, rather than suddenly get up to go to the toilet, there may be a possibility that at this time because of excessive vasodilatation, positional hypotension and fainting, and unwanted accidents occur. Some patients have gastrointestinal reactions, you can take the drug after meals, or drink a lot of water after taking the drug to speed up the metabolism of the drug. Elderly people should take a little rest after using the drug.