e Frequent micturition B. micturition increased and the volume each time is decreased bladder or urethra irritation bladder, post urethral inflammation bladder tuberculosis or stone.(esp TB, frequent micturition can last for long time)Frequent micturition B.micturition increased and the volume each time is decreased.  bladder or urethra irritation: bladder, post urethral inflammation bladder tuberculosis or stone.(esp TB, frequent micturition can last for long time)