Most infections which cause diarrhea and vomiting are contagious, so it is wise to assume that other pets might be vulnerable if they are exposed. (whydoesmydog.com)
In addition, some dogs have an allergic reaction to the bone marrow which causes severe diarrhea and vomiting. (professorshouse.com)
It might have bouts of diarrhea and vomiting without a satisfactory explanation. (2ndchance.info)