I think the most important thing to remember is if the animal is taking fluids if the animal continues to have diarrhoea dehydration can occur and can be fatal.!but if as you say the animal is eating and drinking things should not be to much to worry about be careful not to give young animals medicines as there body's will not be able to cope with the effects of said medicines most of the time the mothers milk gives the animal the antibody's to fight off such infections
Bacterial infections. Several types
of bacteria consumed through contaminated
food or water can cause
diarrhea. Common culprits include
Campylobacter, Salmonella, Shigella,
and Escherichia coli (E. Coli).
• Viral infections. Many viruses cause
diarrhea, including rotavirus, Norwalk
virus, cytomegalovirus, herpes simplex
virus, and viral hepatitis.
• Food intolerances. Some people are
unable to digest food components such
as artificial sweeteners and lactose—
the sugar found in milk.
• Parasites. Parasites can enter the
body through food or water and settle
in the digestive system. Parasites
that cause diarrhea include Giardia
lamblia, Entamoeba histolytica, and