216 THE DOG IN DISEASE. 



be carefully watched, tonics, especially nux vomica and 

 strychnine and cod-liver oil, which latter may be consid- 

 ered as a food as well as tonic, being very useful. 



Acute Laryngitis is not so common by itself in the dog 

 as in the horse and in man, unless that very mild form 

 associated with a common cold ; but it may result from 

 cold, from chemical or mechanical injury, as from tugging 

 at a chain, etc. Inflammations of other parts often extend 

 to the larynx. 



Diagnosis. — There may be difiiculty in swallowing, 

 but usually an alteration in the voice of the dog, with 

 more or less husky cough, tenderness on pressure, etc., es- 

 tablish the diagnosis. 



Prognosis. — Favorable if oedema (thickening of tissues 

 by effusion of liquid into them from the blood-vessels) 

 does not set in. 



Treatment. — Good hygienic conditions, as indicated 

 above. Simple cases require nothing more. 



The bowels to be kept freely open. Counter-irritation 

 by means of turpentine, coal oil, stimulating liniments, or 

 St. George's paint, over the upper trachea and the larynx, 

 will tend to relieve and prevent the inflammation spread- 

 ing to the parts below. 



Inhalation of medicated vapors, though most useful, is 

 not easily carried out with the dog ; but he can be much 

 helped by having his food given in small quantities in 

 liquid and semi-liquid form, very hot ; and the air may also 

 be kept moist and warm with steam. Any attempts to 

 apply hot fomentations to the dog are apt to be frustrated, 

 but in an extreme case they should be tried. 



As there is usually some pain and cough, sedatives may 



