When your daughter's breath smells like urine it can be a sign of poor dental hygiene, dehydration or even kidney problems.
A child that has a kidney issue can have foul smelling breath that smells like urine.
If your daughter's breath continues to smell like urine even after brushing and using mouthwash then she should see a doctor.
Children and even toddlers sometimes have breath that smells strongly like urine.
In this case, it may indicate kidney dysfunction.
Some causes of breath that smells like urine are benign, even if it doesn't feel like it, while others are more serious and require prompt medical care.
One of the products removed from the blood supply by kidneys is urea.
When the kidneys fail to remove all of the urea, the urea breaks down into ammonia.
Hence, the reason people with renal problems often have breath that smells like chemicals or ammonia breath.