canis - Articles
Periocular dermatitis
Introduction
- Inflammation of the periocular skin - see also blepharitis Blepharitis (inflammation of the eyelids).
- Cause: most commonly due to parasitic conditions (sarcoptic/demodectic mange, ringworm) or allergies.
- May also be secondary to ocular irritation or as part of a generalised seborrhoea Skin: primary seborrhea.
- Signs: periocular erythema, alopecia, self-trauma, generalised dermatitis.
- Diagnosis: clinical signs, skin scraping, intradermal skin test, mycology, response to hypoallergenic diet.
- Treatment: eliminate underlying cause.
- Prognosis: generally good.
Presenting signs
- Periocular erythema.
- Periocular irritation/self-trauma.
- Periocular alopecia.
- Generalised dermatitis.
- Parasitic: in-contact dogs also exhibiting clinical signs.
Pathogenesis
Etiology
Parasitic- Sarcoptic mange Skin: sarcoptic mange
. - Demodectic mange Skin: demodectic mange
.
- Dermatophytosis (ringworm) Skin: dermatophytosis.
- Food Skin: food hypersensitivity.
- Atopy Skin: atopy.
- Drugs.
- Contact allergy Skin: allergic contact dermatitis.
- Seborrheic dermatitis Skin: primary seborrhea.
- Self-trauma.
- Reaction to ocular discharges.
- Toxic epidermal necrosis Skin: toxic epidermal necrolysis.
- Leishmaniasis Leishmaniasis.
- Zinc responsive dermatosis Zinc responsive dermatosis.
- Hepatocutaneous syndrome Hepatocutaneous syndrome.
Predisposing factors
General- In contact with affected animal (parasites, dermatophytosis).
Diagnosis
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Treatment
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Prevention
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Outcomes
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Further Reading
Publications
Refereed papers
- Recent references from PubMed and VetMedResource.
- Weingart C, Kohn B, Siekierski M et al (2019) Blepharitis in dogs: a clinical evaluation in 102 dogs. Vet Dermatol 30 (3), 222 PubMed.
- Bond R, McNeil P E, Evans H et al (1995) Metabolic toxic epidermal necrosis in 2 dogs with different underlying diseases. Vet Rec 136 (18), 466-471 Europe PMC.
- Johnson B W & Campbell K L (1989) Dermatoses of the canine eyelid. Comp Cont Ed Pract Vet 11 (4), 385-394 VetMedResource.