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Cause of urinary frequency and dysuria:
1. Mycobacterium tuberculosis bacteria viruses and other fungal urinary tract infection the most common cause of gonorrhea, meningitis, cystitis, pyelonephritis pathogenic microorganisms or abnormal urinary tuberculosis in the rock on the narrow infection or pyelonephritis complex known to cause complicated urinary tract respiratory infections at this time, also found in men with benign prostatic hyperplasia or prostatitis.
2. Urethral inflammatory colitis vaginitis metritis found adjacent organs.
3. Non-communicable diseases are found in connective tissue disease with multiple ulcers in the bladder of memory in patients with interstitial cystitis can cause severe irritation of bladder infection bacterial infection of ulcers, the clinical misdiagnosis, but the fever joint cystitis ESR Laboratory Immunology allodynia antibiotics fail fast, usually dependent on the diagnosis of bladder cystitis check cloth with Yb ulcer biopsy tumor suppressor can also be found to stimulate the bladder stones caused by the pregnancy, bladder irritation, acute nephritis, urine sediment or urinary bladder stimulation to increase salt Yan may have chronic glomerulonephritis increased urine protein in urine a lot other than mild symptoms of acute glomerular inflammation of foreign elements such as physical stimulation than normal bladder will not be less.
4. Bladder volume reduction in the bladder wall within the lesion or tumor cell infil


tration of the bladder; tuberculosis bladder contraction caused by invasive bladder are also common in this than the normal bladder inflammation and bacterial infections, persistent hematuria is more severe symptoms lasting easy to see often negative urine culture, urine acid-fast bacilli of Mycobacterium tuberculosis diagnostic training kit can be found in addition to general clinical training takes longer than 1 to 3 months.
5. Anomalies in the normal neural regulation of bladder nerve hysteria, when the patient is also due to the frequency of cortical reflex arc excited in this time the only reason there is pain, frequent urination Urine urine was normal.
The mechanism of urinary frequency and dysuria:
1. Urethra and the male urethra connected with the outside world, bacteria in the 3-4 cm and 1cm of the female urethra State urethra channel, and as a defense mechanism, the foyer, is to maintain a healthy body, when the body's defense mechanism of the obstacles and resistance to low power easy to increase the stimulation of bladder infection in addition to the most common cause of bloodstream infections, such as sepsis, bacterial infection caused by the colon can also cause bladder cancer and pelvic lymph along the lymphatic vessels connecting the right kidney rich bacterial invasion of the renal pelvis around the bladder Kidney infection focus is another reason.
2. Countercurrent in urine has not yet developed the neural integrity constraints 80% of children after voiding, at least in most of the growth of a small amount of urine reflux back away, but there are few or even a counter or adult, or recurrent urinary tract infection caused by refractory is a common cause of urinary tract infection caused.
3. Periurethral lesions seen in the vestibule of the vagina and the work can lead to bladder stimulation of fecal contamination from urinary tract infections.
4. Human factors such as catheters and catheter resulted in 1-2% of bladder catheter infection rate was 98%.
5. Mucopolysaccharides or glycoproteins in the mucus layer coating of the bladder mucosa local factors, to prevent bacteria and other direct with mucous membranes and urine will be washed away, and if the bacteria is often rough, "trap" of the bacteria transfer to the "trap" mucopolysaccharide layer of the growth and reproduction caused by infection.
6. Systemic humoral factors can create and add a barrier to bacterial antibody or complementary package to reduce the body to break the neutrophil decrease in urinary tract infections caused by phagocytosis of balance.
7. Clots in the blood of bladder cancer bladder stones can cause other stimuli, not just their symptoms, such as low potassium, and easy to work with urinary retention in the bladder, diabetes, neurogenic bladder and urethral stricture or a large number of atropine common infections caused by urinary tract infection can increase the formation of point thick mild inflammation of the urethra or urine, but generally little clinical significance.


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