You can take tamsulosin for frequent urination. Tamsulosin is mainly used to treat frequent urination caused by prostatitis and benign prostatic hyperplasia in men. Tamsulosin can be used to treat frequent urination, especially in men caused by prostatitis and benign prostatic hyperplasia. Tamsulosin belongs to the group of selective alpha-blockers, which mainly control the smooth muscle of the prostate. It has some therapeutic effect on male prostatitis or prostate hyperplasia caused by frequent urination. For patients with benign prostatic hyperplasia, it can dilate the urethra of the prostate, so that urine can be discharged smoothly, improve the symptoms of urinary frequency and urinary difficulty, and have better therapeutic effect on the treatment of urinary frequency; for patients with prostatitis, in addition to relaxing the urethra of the prostate, it is also effective on pelvic floor spasms, especially for the pelvic floor pain and combined with the urinary frequency of patients, the therapeutic effect is better. However, due to the individual variability of the drug, some patients do not have good results with tamsulosin. If it is not effective and symptoms such as urinary retention, urinary frequency, and difficulty urinating persist or worsen progressively, it is necessary to consult a doctor in time and actively take surgical treatment. In addition, the use of tamsulosin may cause dizziness, lethargy, staggering gait, drop in blood pressure, rapid heart rate and other adverse reactions, allergy to the product and renal insufficiency patients are prohibited. The drug should be applied under medical supervision.