Dermatosis Associated with Feeding Low-Quality Food (Generic Food Dermatosis)

Severe crusting dermatosis affecting the mucocutaneous junctions, pressure points, and trunk of dogs fed low-quality dry food was first reported in the United States in the 1980s. Since then, only a few cases have been documented. Twenty-two adult dogs owned by private individuals were evaluated. Al...

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Authors: Blanco, Alejandro Diego, López, Melissa, Kantor, Laura, Duchene, Adriana, Ferrer i Caubet, Lluís|||0000-0003-1537-0074
Format: article
Publication Date:2026
Country:España
Institution:Universitat Autònoma de Barcelona
Repository:Dipòsit Digital de Documents de la UAB
Language:English
OAI Identifier:oai:ddd.uab.cat:325689
Online Access:https://ddd.uab.cat/record/325689
https://dx.doi.org/urn:doi:10.3390/vetsci13010106
Access Level:Open access
Keyword:Generic food dermatosis
Nutritional dermatosis
zinc-deficiency dermatosis
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spelling Dermatosis Associated with Feeding Low-Quality Food (Generic Food Dermatosis)A Case SeriesBlanco, Alejandro DiegoLópez, MelissaKantor, LauraDuchene, AdrianaFerrer i Caubet, Lluís|||0000-0003-1537-0074Generic food dermatosisNutritional dermatosiszinc-deficiency dermatosisSevere crusting dermatosis affecting the mucocutaneous junctions, pressure points, and trunk of dogs fed low-quality dry food was first reported in the United States in the 1980s. Since then, only a few cases have been documented. Twenty-two adult dogs owned by private individuals were evaluated. All dogs exhibited thick crusts forming plaques and marked scaling on the face-particularly around the lips, nasal bridge, and eyelids-as well as on the paw pads, dorsal digits, abdomen, and dorsum. Pruritus ranged from moderate to severe, and all dogs showed varying degrees of lethargy and reduced activity. Each dog was fed a low-quality commercial diet. A presumptive diagnosis of dermatosis associated with poor-quality food was made. Skin biopsies from nine dogs revealed similar histopathologic changes, characterized by epidermal hyperplasia, severe parakeratotic hyperkeratosis with spongiosis, and exocytosis of lymphocytes and neutrophils. The skin lesions resolved within 15-30 days after switching to a high-quality diet. This case series highlights that dermatosis associated with low-quality food should remain in the differential diagnosis for dogs presenting with symmetric crusted and scaly lesions on the face, mucocutaneous junctions, and paws, particularly when nutritional deficiencies are suspected. 22026-01-0120262026-01-01Articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://ddd.uab.cat/record/325689https://dx.doi.org/urn:doi:10.3390/vetsci13010106reponame:Dipòsit Digital de Documents de la UABinstname:Universitat Autònoma de BarcelonaInglésengopen accesshttp://purl.org/coar/access_right/c_abf2Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.https://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:ddd.uab.cat:3256892026-06-06T12:50:31Z
dc.title.none.fl_str_mv Dermatosis Associated with Feeding Low-Quality Food (Generic Food Dermatosis)
A Case Series
title Dermatosis Associated with Feeding Low-Quality Food (Generic Food Dermatosis)
spellingShingle Dermatosis Associated with Feeding Low-Quality Food (Generic Food Dermatosis)
Blanco, Alejandro Diego
Generic food dermatosis
Nutritional dermatosis
zinc-deficiency dermatosis
title_short Dermatosis Associated with Feeding Low-Quality Food (Generic Food Dermatosis)
title_full Dermatosis Associated with Feeding Low-Quality Food (Generic Food Dermatosis)
title_fullStr Dermatosis Associated with Feeding Low-Quality Food (Generic Food Dermatosis)
title_full_unstemmed Dermatosis Associated with Feeding Low-Quality Food (Generic Food Dermatosis)
title_sort Dermatosis Associated with Feeding Low-Quality Food (Generic Food Dermatosis)
dc.creator.none.fl_str_mv Blanco, Alejandro Diego
López, Melissa
Kantor, Laura
Duchene, Adriana
Ferrer i Caubet, Lluís|||0000-0003-1537-0074
author Blanco, Alejandro Diego
author_facet Blanco, Alejandro Diego
López, Melissa
Kantor, Laura
Duchene, Adriana
Ferrer i Caubet, Lluís|||0000-0003-1537-0074
author_role author
author2 López, Melissa
Kantor, Laura
Duchene, Adriana
Ferrer i Caubet, Lluís|||0000-0003-1537-0074
author2_role author
author
author
author
dc.subject.none.fl_str_mv Generic food dermatosis
Nutritional dermatosis
zinc-deficiency dermatosis
topic Generic food dermatosis
Nutritional dermatosis
zinc-deficiency dermatosis
description Severe crusting dermatosis affecting the mucocutaneous junctions, pressure points, and trunk of dogs fed low-quality dry food was first reported in the United States in the 1980s. Since then, only a few cases have been documented. Twenty-two adult dogs owned by private individuals were evaluated. All dogs exhibited thick crusts forming plaques and marked scaling on the face-particularly around the lips, nasal bridge, and eyelids-as well as on the paw pads, dorsal digits, abdomen, and dorsum. Pruritus ranged from moderate to severe, and all dogs showed varying degrees of lethargy and reduced activity. Each dog was fed a low-quality commercial diet. A presumptive diagnosis of dermatosis associated with poor-quality food was made. Skin biopsies from nine dogs revealed similar histopathologic changes, characterized by epidermal hyperplasia, severe parakeratotic hyperkeratosis with spongiosis, and exocytosis of lymphocytes and neutrophils. The skin lesions resolved within 15-30 days after switching to a high-quality diet. This case series highlights that dermatosis associated with low-quality food should remain in the differential diagnosis for dogs presenting with symmetric crusted and scaly lesions on the face, mucocutaneous junctions, and paws, particularly when nutritional deficiencies are suspected.
publishDate 2026
dc.date.none.fl_str_mv 2
2026-01-01
2026
2026-01-01
dc.type.none.fl_str_mv Article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://ddd.uab.cat/record/325689
https://dx.doi.org/urn:doi:10.3390/vetsci13010106
url https://ddd.uab.cat/record/325689
https://dx.doi.org/urn:doi:10.3390/vetsci13010106
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
https://creativecommons.org/licenses/by/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
https://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Dipòsit Digital de Documents de la UAB
instname:Universitat Autònoma de Barcelona
instname_str Universitat Autònoma de Barcelona
reponame_str Dipòsit Digital de Documents de la UAB
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