What are the causes of dysuria?

The main reasons for dysuria are as follows: First, urethral stones, when the stone volume is relatively large, stuck in the urethra will cause urinary tract obstruction, so show dysuria. Urine in the bladder can not be excluded, when the bladder urine storage to a certain extent, it will show abdominal pain discomfort. Second, prostate hyperplasia, prostate hyperplasia patients due to hyperplasia of the prostate oppression urethra, resulting in urethral narrowing, patients will also show dysuria. As the disease progresses, the residual urine in the patient's bladder gradually increases, causing the effective volume of the bladder to decrease, so it will show frequent micturition, urgency, and insufficient urine symptoms. Third, dysuria may also be caused by neuropathy, such as neurogenic bladder patients, due to weakened bladder contractility, resulting in urine can not be smoothly discharged.