(2) phenolphthalein (fruit guide). After oral administration, this product meets alkaline intestinal juice in the intestine to form soluble sodium salt, which stimulates intestinal mucosa, promotes intestinal peristalsis and plays an antidiarrheal role. Mainly used for chronic constipation. Administration and dosage: oral, 5 ~ 10mg/ time.
(3) liquid paraffin. This product is 1 mineral oil. It is not digested or absorbed in the intestine. By lubricating the intestinal wall and feces, the absorption of water by the intestine is hindered, and the feces are softened and easily discharged. It is suitable for constipation of pregnant dogs and puppies. Administration and dosage: take orally, 5 ~ 30ml/ time.