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twenty-four hours.' If the vomiting be fo violent 

 as to fuffer nothing, however fmall, to be retained 

 upon the ftomach, opium may be conveniently ad- 

 min irtered in a clyfter. Forty drops, or a moderate 

 tea-fpoonful, which is generally regarded as equal 

 to a drachm in meafure, may be mixed with about 

 half a pint or lefs, of broth, gruel, or warm milk, 

 and injected as a clyfter, and retained, if poflible, 

 feveral hours. 



It is always proper, that the body be kept, if pof- 

 fible, in a rather lax ftate during the ufe of opiates. 

 If, therefore, any coftivenefs be prefent, it is advife- 

 able to inject a clyfter of a moderately opening kind, 

 previous to the giving of the opiate, which makes 

 the operation of the latter fafe, and lefs liable to 

 affect the nervous fyftem. If the ufe of opiates be 

 neceffary to be continued, it is proper to adminifter 

 occafionally fome internal medicines of a mildly 

 purgative kind, as opiates generally render the 

 body coftive. The precautions juft mentioned are 

 equally applicable to fuch bilious diforders as are 

 attended with great and often exquifite pain about 

 the pit of the ftomach, without fever, and generally 

 without any increafe of pulfe, and are produced 

 by the gall-ftones (ticking in the ducts which con- 

 vey the bile from the liver and the gall-bladder 

 into the inteftines. It fhould, however, be confi- 



dered, 



