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The dog then causes further trauma to the skin by itching and rubbing at the area, leading to a secondary bacterial infection." Acute moist dermatitis: Symptoms A patch of moist, inflamed skin ...
Ear and skin infections by the bacteria Staphylococcus pseudintermedius and the yeast Malassezia pachydermatis are commonly secondary to atopic dermatitis. [5] Dogs with the condition often present with erythema. The axillae, ventral abdomen, distal extremities, inner pinnae; and periocular, perioral, and perianal regions are commonly affected.
Malassezia pachydermatis is most commonly isolated from areas of the skin and ears with higher pH levels. Therefore canine colonization may occur more readily due to the skins increased alkalinity. [14] Samples have been collected from the ears, skin, vagina, and anal sacs. [9] Canine infection often co-occurs with atopy and other allergic ...
Candidiasis is a fungal infection due to any species of the genus Candida (a yeast). [4] When it affects the mouth, in some countries it is commonly called thrush. [3] Signs and symptoms include white patches on the tongue or other areas of the mouth and throat. [3]
[3] [6] Superficial fungal infections include common tinea of the skin, such as tinea of the body, groin, hands, feet and beard, and yeast infections such as pityriasis versicolor. [7] Subcutaneous types include eumycetoma and chromoblastomycosis, which generally affect tissues in and beneath the skin.
[10] Another autoimmune skin disease which can occur in dogs is vitiligo. In addition to humans, vitiligo can be found in a variety of animals, including cats, horses, and dogs. Vitiligo is a type of autoimmune disease that damages melanocytes in the skin, lips, and oral cavity. Melanocytes are cells that contain pigments such as melanin.
This skin disease commonly affects adolescents and young adults, especially in warm and humid climates. The yeast is thought to feed on skin oils ( lipids ), as well as dead skin cells. Infections are more common in people who have seborrheic dermatitis , dandruff , and hyperhidrosis .
Infected cats in particular exude large quantities of Sporothrix organisms from their skin leasions and can spread the infection to people who handle them. [10] [18] Although cats are the most common animal source, the infection has also been known to spread to humans from dogs, rats, squirrels, and armadillos. [19]