CHAPTER II. 



DISEASES OF THE RESPIRATORY ORGANS. 



CATARRH, PLEURISY, 



INFLUENZA, PNEUMONIA, 



LARYNGITIS, CONSUMPTION, 



BRONCHITIS, POLYPUS, 



ASTHMA, OZ^NA. 



CATARRH, 



Or what is commonly known as " a cold," consists of a febrile 

 or inflammatory condition of the mucous membranes. When 

 confined to the eyes and nostrils it its termed Coryza, from 

 Kapa, the head, and feu, to boil ; signifying a fevered con- 

 dition, or cold in the head. If it extends to the mucous 

 membrane of the bronchial tubes, it gives rise to what is 

 termed bronchitis. If to the alimentary tract, we have an 

 enteritic or gastro-enteritic catarrh. The two latter are not 

 unfrequent in distemper. 



The usual causes of common or simple catarrh are damp, 

 cold, or contagion. 



Symptoms. — Increased secretion of mucus from the mem- 

 branes affected, eyes watery, nose hot and dry, shiverings, 

 sneezing, and sometimes cough, languor, fever, and con- 

 sequent thirst. 



As the disease proceeds, these symptoms increase in 

 severity, the mucous secretion becomes thicker, respiration 

 impeded, the shiverings more frequent, languor greater, 

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