File:Diseases of the dog and their treatment (1911) (14781844501).jpg

Identifier: diseasesofdogthe00ml (find matches)
Title: Diseases of the dog and their treatment
Year: 1911 (1910s)
Authors: Müller, Georg Alfred, 1851-1923 Glass, Alexander
Subjects: Horses Dogs -- Diseases
Publisher: Chicago, Ill. : Alexander Eger
Contributing Library: Webster Family Library of Veterinary Medicine
Digitizing Sponsor: Tufts University

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re three general forms of eczema without taking into con-sideration the changes which may be produced by irritation, scratching,or rubbing. (1) Acute Moist Eczema.—This may develop year after year andin dogs of all breeds. The longer haired clogs seem, however^ to be more ECZEMA 447 liable to it. It affects certain localities of the body more than others—the neck, jaws, elbow, on the back anterior to the tail, and the outsideof the thigh. The first type is restricted to small, irregularly circum-scribed regions, but has a tendency to extend to the neighboring tissues.The eruption begins as eczema papulosum with close nodules. The skinbecomes red in irregularly circular patches varying in size from aquarter (shilling) to the palm of the hand (Fig. 158); there is increasedheat and the skin thickens, the hair stands up, and soon a number ofsmall vesicles are seen, which burst and discharge a pale yellow viscid fluid,and in from twelve to twenty-four hours there is partial or complete
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Fig. 158.—Moist eczema of the shoulder, and muzzle to jjrevent the animal biting it. loss of hair. This rapidly changes into the vesicular layer by alteration ofthe nodule, and finally we see the appearance of the median stage.This has a more or less extended surface without skin or hair, and showsa bright red, serous, sero-fibrinous or purulent exudate, very painfulto the touch, and having a great tendency to extend to the adjacenttissues (phagedenic scab). The stage of crustation follows A^ery slowly;the exudate dries, forming a yellow-green to brownish crust which isfirmly fixed to the skin and if not rubbed by the animal forms a thickscab that may fall off in a few days, but generally it is two or sometimesthree weeks before it finally comes off, leaving a glossy, hairless, deepred or pigmented surface, with more or less gray scales. The surfacesoon becomes covered with fine hair, which soon grows very rapidly,covering the spot very quickly. This termination is frequently altere

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