78 
MANUAL OF MODERN FARRIERY. 
a whistle. Blisters have sometimes been found to alleviate 
this disease ; but a complete cure is quite hopeless. 
A WHISTLER. 
This is a mere modification of piping, and consists of an 
inflammation situated so high up as the glottis, or higher ring 
of the windpipe. The sound is more shrill than in the 
former complaint; and, like the former, it cannot be cured, 
but the drench last mentioned will sometimes do the horse 
good. 
CHRONIC COUGH. 
Symptoms. —This is a constant, irritating cough ; which 
in particular manifests itself after feeding and drinking, 
and on first being exposed to the open air in the morning, 
and more especially after any excitement, such as hard work, 
a sharp trot, or a gallop. In most instances the complaint 
is accompanied by a staring coat 
Causes. —Chronic cough has its origin in some previous 
inflammatory complaint. In becoming a fixed disease, it 
will proceed from inflammation of the air passages; or it 
may be from severe irritation of the lower portion of the 
windpipe. When the seat of the disorder is caused by 
inflammation in the substance of the lungs, it will manifest 
itself after eating, which is occasioned by the distended 
stomach pressing upon the diaphragm, and this organ in its 
turn pressing upon the lungs. This renders them less capable 
of transmitting the air through their passages; which occa¬ 
sions considerable excitement, from the great effort made 
to perform respiration, and hence the irritating cough is 
induced. 
Remedies. —The following dose to be given every night 
until the cough is modified 
