The invasion of the gastrointestinal tract is announced by diarrheal symptoms.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
This phase of the subject serves to strengthen the contention that over-attention to the bowels may bring about constipation by causing increased inhibition of peristalsis, just as severe emotional disturbance may paralyze inhibition and so bring about increased peristalsis with consequent diarrheal symptoms.
"Psychotherapy"
James J. Walsh