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Peer-reviewed veterinary case report

Dog with erythema multiforme skin lesions linked to food triggers

By Itoh, Teruo et al.·Published in The Journal of veterinary medical science·2006·University of Miyazaki, Japan·View original on PubMed

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Original publication title: Erythema multiforme possibly triggered by food substances in a dog.

Species:
dog

Plain-English summary

A 5-year-old female border collie had red, inflamed skin lesions in areas like her armpits and groin. After a skin biopsy, the vet diagnosed her with erythema multiforme, a condition that can be triggered by certain foods. The dog was treated with medications including azathioprine and prednisolone, along with a special hypoallergenic diet. While her skin improved and stayed clear without medication on the hypoallergenic diet, the lesions came back whenever she ate regular commercial dog food, indicating that her skin issues were likely linked to her diet.

People also search for: dog skin problems · border collie skin rash treatment · hypoallergenic diet for dogs

Abstract

A 5-year-old female border collie presented with erythematous skin lesions at the axillae, groin, mucocutaneous junctions, and pinnae. Biopsy revealed lymphocytic interface dermatitis with hydropic degeneration of basal cells and keratinocyte apoptosis. Based on gross and histological features, diagnosis of erythema multiforme was made. The disease was resolved by treatment with azathioprine, prednisolone, and a hypoallergenic diet. Finally, the skin lesion was controlled without drug therapy but recurred easily every time commercial foods except the hypoallergenic diet were used, suggesting that food substances triggered this outbreak.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/16953090/