EXPECTORANTS, 87 



great care of when brought sweating from 

 the school, I am convinced it is often at- 

 tended with destructive consequences. Ex- 

 ercise, therefore, should always be moderate 

 at first, and adapted to the animal's strength; 

 by increasing it gradually, and in proportion 

 to his condition, he may soon be brought 

 to bear, without inconvenience, that degree 

 of exertion, and velocity of motion, for which 

 he is wanted. Exercise not only prevents 

 disease, but materially assists in the cure of 

 many : thus, in swellings of the heels and 

 legs, grease, inflamed eyes, &c. medicine, 

 without proper exercise, seldom effects a 

 cure. (See Cornpendium, where this subject 

 is more fully considered.) 



EXPECTORANTS. Medicines that in- 

 crease the discharge of mucus from the 

 lungs, and thereby relieve cough and diffi- 

 culty of breathing. There are many medi- 

 cines which produce this effect in the hu- 

 man body; but in the horse the action of 

 expectorants is not easily perceptible. It 

 has been said, that as a horse breathes only 

 through his nostrils, the effect of such me- 

 dicines^ (if they had any) would be shewn 

 by a discharge from the nostrils ; and as they 



