i use dds plus for diarrhea it is a non-dairy probiotic
Dds-Plus Capsules by U.A.S.Laboratories - UA-1010 - at The Vitamin Shoppe
2 capsules 20-30 min before food in am to coat digestive tract before entering food into system - it works and i use it in my allergy dog and have for over 2 years. Anytime mine get diarrhea i give them this and it goes away immediately