Ī large volume enema can be given to cleanse as much of the colon as possible of feces. When oral laxatives are not indicated or are not sufficiently effective, enemas may be a sensible and necessary measure. The principal medical usages of enemas are:īowel cleansing Acute treatments Īs bowel stimulants, enemas are employed for the same purposes as orally administered laxatives: to relieve constipation to treat fecal impaction to empty the colon prior to a medical procedure such as a colonoscopy. In standard medicine, the most frequent uses of enemas are to relieve constipation and for bowel cleansing before a medical examination or procedure also, they are employed as a lower gastrointestinal series (also called a barium enema), to treat traveler's diarrhea, as a vehicle for the administration of food, water or medicine, as a stimulant to the general system, as a local application and, more rarely, as a means of reducing body temperature, as treatment for encopresis, and as a form of rehydration therapy (proctoclysis) in patients for whom intravenous therapy is not applicable. The word enema can also refer to the liquid injected, as well as to a device for administering such an injection. An enema, also known as a clyster, is an injection of fluid into the lower bowel by way of the rectum.
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