I needed this when my oldest got terrible diarrhea from antibiotics. (thirstiesbaby.com)
However, do know that the intestinal contractions cause terrible diarrhea, which can be uncomfortable at best and cause dehydration at worst. (mamanatural.com)
However, before planning to sue for unsanitary conditions and get reimbursed for an expensive vet bill due to terrible diarrhea right after kenneling, consider that some conditions have long incubation periods. (pethelpful.com)