Tamsulosin is the trade name, the generic name is tamsulosin hydrochloride, after taking the situation of more frequent urination, the main consideration is related to the influence of drugs, drinking too much water, low temperature and urinary system diseases and other factors. 1. Drug effects: tamsulosin hydrochloride is mainly used in the clinical treatment of urinary disorders caused by benign prostatic hyperplasia, especially for urinary difficulties. After the use of the drug symptoms are relieved, you can appear to increase the frequency of urination. Adverse reactions of Tamsulosin Hydrochloride include dizziness, nausea, vomiting, skin rash, etc.; contraindications include renal insufficiency and hypersensitivity to the product is prohibited; precautions include patients with coronary heart disease, postural hypotension should be applied with caution; patients with renal insufficiency should be used with caution or prohibited according to the results of Cr. 2. Drinking too much water: Drinking a lot of water after taking the drug can lead to an increase in urine, which in turn leads to frequent urination. 3. Too low temperature: after taking the drug has been in a lower temperature environment, can also appear to increase the frequency of urination. 4. Urinary system diseases: such as urinary tract infection, urinary tract stones, can lead to patients with frequent urination, painful urination and other symptoms. When the above symptoms occur, it is recommended to go to the urology department in time and dispose of them according to the doctor’s instruction. Drugs should be applied under the guidance of a doctor.