Generally, urinary distension may be due to physiologic and pathologic reasons. Such as urethritis, prostatitis and so on may cause this phenomenon.
1. Physiological reasons: If the volume of urine in the bladder is full, but not yet urinated, the phenomenon of urinary distension will occur. This is a normal physiological phenomenon, usually do not need special treatment, timely urination can be.
2. Pathologic causes:
(1) cystitis: it may be due to the bacteria from the urethra into the bladder, resulting in a local accumulation of colonies, causing bladder mucosal damage caused by edema, thus the frequency of urination, urinary pain, urinary distension and other phenomena.
(2) prostatitis: due to infectious pathogenic bacteria stimulation of the prostate mucosa, resulting in mucosal redness, swelling, erosion, but also cause inflammatory enlargement of the prostate gland. The patient will have frequent urination, urinary urgency, urinary distension and other symptoms.
In addition, urinary distension can also be seen in other diseases or causes, it is recommended that patients go to the regular hospital in time to avoid delay.