(1) Heat accumulation in the intestines and stomach: dry stools. This kind of patients usually has a strong constitution.
(2) Qi stagnation in the intestines: borborygmus, passing gas.
(3) Spleen qi deficiency: hard stools. This kind of syndrome is mostly found in aged people.
(4) Deficiency and cold of spleen and kidney: cold pain in the abdomen, cold limbs, cold pain in the waist and knees.
(5) Deficiency of body fluid: dry stools, thirsty. This kind of patients tend to be weak or old. Continue to read Chinese medicine Treatment for Constipation.