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Drugs and the GI system
The GI tract is basically a hollow, muscular tube that begins at the mouth and ends at the anus; it encompasses the pharynx, esopha-gus, stomach, and the small and large intestines. Its primary func-tions are to digest food and absorb nutrients and fluids and ex-crete metabolic waste.
Classes of drugs used to improve GI function include:
· peptic ulcer drugs
· adsorbent, antiflatulent, and digestive drugs
· obesity drugs
· antidiarrheal and laxative drugs
· antiemetic and emetic drugs.
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