A friend of mine went through this with her daughter. She was washing her daughter's hair while in the tub. Sitting in the bubbles from the shampoo was giving her infections. Also, be careful what kind of soaps you use and try having her take showers for awhile instead of baths and see if that helps too. I have found that I have to be careful about these things too or I can feel an infection coming on.I also drink cranberry juice mixed with water to help myself try to ward of the infection.