460 CATARRH. 



least dangerous of any systemic or local aftection to wliich tliat 

 animal is liable. 



It is generally anticipated that ordinary cases will run tlicir 

 course, and that the animal will be restored to his usual health 

 within a fortnight, although it is not uncommon, even in what 

 we Avould call good recoveries, that a more or less troublesome 

 cough may continue for some time longer. 



In some cases, where the posterior nasal cavities are 

 largely involved, where the febrile symptoms are well marked, 

 and where the turgescence of the nasal membrane is not re- 

 lieved by a cofjious secretion and early passmg into the muco- 

 purulent stage, we are disposed to fear prolongation into the 

 air-passages in the chest. This is the more to be apprehended 

 when our patient, after an attack of catarrh, either unaccount- 

 ably or as the result of want of sufficient care, suffers from a 

 relapse. 



Another class of cases, not, however, a very numerous one 

 when treated properly from the commencement, is that where 

 the characteristic nasal discharge and other accompanying 

 symptoms of inflammatory action have passed off, but the 

 horse is left weak, with much muscular atony, an unhealthy 

 skin and ragged open coat, with a more or less intermittent or 

 remittent discharge from one or both nostrils. This, if owing 

 to simple relaxation and weakening of the nasal membrane, 

 together with general debility, may without interference, or 

 with appropriate medical treatment and good nursing, entirely 

 disappear. AVhen, however, notAvithstanding reinstatement in 

 general health and recovery from all inflammatory symptoms, 

 the discharge from the nasal chambers still continues, the case 

 is likely to prove troublesome, and may terminate in chronic 

 disease of the membrane of the nasal chambers or of that 

 lining the sinuses of the face and cranium, or of the bones 

 themselves. 



Treatment. — With all the milder forms of ordinary catarrh 

 no treatment is needful beyond rest and a little attention to 

 dietary, while, where it can be obtained, it is always advisable 

 to place the horse in a roomy, light, well-ventilated, but not 

 cold, loose box. 



In all cases where the pyrexia is marked, it will be needful 

 to give such agents as arc likely to moderate this condition 



