Pertaining to or resulting from diarrhea; having the character of or characterizing diarrhea; catarrhal, with reference to the intestines.

adjective. Of or pertaining to diarrhea; like diarrhea.

adjective. That causes, or is associated with diarrhea.

adjective. of or relating to diarrhea

"Vitamin A deficiency increases the risk of severe illness, and even death, from common childhood infections such as diarrheal diseases and measles."

diarrhœal  regular  unconstipated  

diarrheal shellfish poisoning  

arthropod-borne  chronical  confusional  flu-like  food-borne