Hi, It's unclear what the problem is from the info above. The bottom line is that she needs to be seen by a Pediatric Urologist specialist at a
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Major-gesic medical center. I assume she has had an ultrasound of her kidneys and bladder and there are no structural problems. She may have a problem with bladder emptying or overactive bladder with the history of bladder spasms after a shower. With the history of chronic constipation she may have dysfunctional elimination syndrome, spina bifida occulta or other pelvic muscle or neurologic problem. The Pediatric Urologist should be able to sort this out. Good Luck.