ERRHINES— EXPECTORANTS. 235 



tio appearance of a discharge for two or 

 three hours afterwards. This abominabia 

 fraud is only practised at country fairs, by 

 the iowest order of horse dealers, who have 

 im reputation to lose, 



ESCHAROTJCS, This term is applied 

 to the mild caustics, such as red precipitate 

 and verdigris. (Sea Caustics. ) 



EXPECTORANTS. Medicines that ex- 

 cite or promote a discharge from the lungs* 

 and thereby remove or alleviate couf^hs and 

 thickness of wind. 



There is another way in which it is proba- 

 ble expectorants relieve cough, &e. These 

 complaintfinmy gometimes ba eevs§ione.dby 

 a redundant secretion in thebranehpsoFtlie 

 windpipe ; in such cases, medicines that 

 diminish the quantity of fluid in the whole 

 system, by increasing the secretion of urine, 

 or perspiration, will of course relieve the 

 complaint, by lessening the quantity of 

 fluid in the branches of the windpipe; 

 hence we may explain the operation of -the 

 balsams, turpentines, and various other me* 

 dicines that are employed as expectorants 

 with good effect, and which manifestly pos- 

 sess a diuretic quality. 



