Pet Pectillin Diarrhea Medication is an aid in the treatment of diarrhea. Improvement is noticeable in two to three days. Pet Pectillin Diarrhea Medication contains pectin and kaolin. Pectin provides a protective coating to irritated gastrointestinal membranes. It is also a detoxifying agent against bacterial toxins which cause inflammation of the gastrointestinal membranes and diarrhea. Kaolin, an adsorbent, increases the bulk and slows down the passage of feces. It also absorbs and promotes the excretion of toxins within the gastrointestinal tract.