DRUGS ACTING ON THE DIGESTIVE OEGiNS 23 



loading of the organ, and indigestion with convulsions in 

 young animals : — Mustard, salt or zinc sulphate. 



2. To expel foreign bodies from the fauces and gullet 

 (apomorphine subcutaneously) ; or, by the forcible expira- 

 tion attending vomition, to expel excessive secretion or exu- 

 dation from the air passages in laryngitis or bronchitis : — 

 Ipecac. 



3. To empty the gall-bladder in catarrhal jaundice and 

 biliousness and to expel bile from the stomach. 



4. To lower blood pressure and increase secretion in 

 the first stage of bronchitis : — Ipecac. 



5. To stop vomiting : — Ipecac in minute doses. 

 Oontra-indications. — Pregnancy ; hernia ; inflammation 



of the stomach, brain or abdominal viscera; bleeding from 

 the stomach, bowels or lungs ; aneurism and asthenia. 



Gastric sedatives and anti-emetics are agents used to re- 

 lieve pain in the stomach and vomiting. These include : 



Most of these agents act locally, but opium and mor- 

 phine, chloral, the bromides, prussic acid and the nitrites 

 act centrally. 



USES OF GASTEIC SEDATIVES AND ANTI-EMETICS IN CANINE 

 PRACTICE. 



It must be recognized that vomiting is merely a symptom. 

 It is, therefore, essential to remove the canse. This may 

 sometimes be accomplished by starving, the use of an 



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