Overactive bladder occurs when abnormal nerves send signals to the bladder at the wrong time, causing its muscles to squeeze without warning. Voiding up to seven times a day is normal for many women, but women with overactive bladder may find that they must urinate even more frequently.
Specifically, the symptoms of overactive bladder include
- urinary frequency - bothersome urination eight or more times a day or two or more times at night
- urinary urgency - the sudden, strong need to urinate immediately
- urge incontinence - leakage or gushing of urine that follows a sudden, strong urge
- nocturia - awaking at night to urinate
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