Before you do such a cleanse, it is important that the kidneys and colon are cleansed. Otherwise, these organs become overtaxed and may have difficulties eliminating these the released toxins, parasites and bacteria.
She may benefit from cleansing her kidneys (see kidney cleanse recipe in The Amazing Liver Cleanse, www.1stbooks.com). This helps to dissolve the bladder retriction. Drinking 2-3 freshly brewed green tea per day is also helpful. Avoid giving her milk and cheese, orange juice, chocolate, sugar (except xylitol or stevia), peanuts, tomatoes, etc. to avoid urinary tract infection. Check out The Key to Health and Rejuvenation, 1stbooks.com, to avoid other Pitta-increasing foods.