Infectious causes of diarrhea in young dogs include viruses such as microviruses, coronaviruses, distemper viruses, bacterial and fungal infections. Parasitic infections include coccidia, trichomonas, roundworms, hookworms, tapeworms, etc. Other causes include poor diet structure, overfeeding, and other causes. Further diagnosis of the cause is needed to treat the diarrhea. It is recommended to investigate the possible diseases before treatment.
