​CONSTIPATION (from Lat. constipare, to press closely together, whence also the adjective “costive”), the condition of body when the faeces are unduly retained, or there is difficulty in evacuation, tightness of the bowels (see Digestive Organs; and Therapeutics). It may be due to constitutional peculiarities, sedentary or irregular habits, improper diet, &c. The treatment varies with individual cases, according to the cause at work, laxatives, dieting, massage, &c., being prescribed.