Acantholytic cells

Acantholytic cells on a dog with pemphigus foliaceus courtesy of Trevor Whitbread, Abbey Veterinary Services

Pyoderma

Pyoderma (bacterial skin infection) in a Staffordshire Bull terrier

Insect bite hypersensitivity

Lesions on the tail of a horse with insect bite hypersensitivity (sweet itch)

Pemphigus foliaceus

Cat with pemphigus foliaceus (auto-immune skin disease)

Pemphigus foliaceus

Cat with pemphigus foliaceus (auto-immune skin disease)

Hair loss

Hair loss on the head of a horse with skin allergies

Intradermal allergy test

Intradermal allergy test on the neck of a horse with skin allergies

Cheyletiella

Cheyletiella mite

Indolent ulcer

Indolent ulcer in a cat with flea allergy dermatitis

Facial erosions

Facial erosions in a cat with flea allergy dermatitis

Demodex canis

Clusters of Demodex canis mites on a dog

Demodex canis

Demodex canis mite from a dog

Household vacuuming

Frequent household vacuuming is commonly advised for dogs with house dust mite allergy

Malassezia pachydermatis

Malassezia pachydermatis (yeast) from a dog

Flea faeces

Flea faeces in the coat of a cat

Flea faeces

Flea faeces

Adult flea

Adult flea courtesy of Novartis

Malassezia

Malassezia (yeast) dermatitis in a Basset hound

Demodicosis

Demodicosis (demodectic mange) in an English Bulldog

Intradermal allergy test

Intradermal allergy test in a horse

Flea allergy dermatitis

Flea allergy dermatitis in a cat

Malassezia

Malassezia (yeast) dermatitis in a Basset hound

Eosinophilic ulcer

Severe eosinophilic ulcer on the upper lip of a cat

Malassezia pachydermatis

Malassezia pachydermatis (yeast) from a dog

Malassezia pachydermatis

Malassezia pachydermatis (yeast) from a dog

Malassezia pachydermatis

Malassezia pachydermatis (yeast) from a dog

Allergic dermatitis

Allergic dermatitis in a West Highland White terrier

Allergic dermatitis

Allergic dermatitis in a West Highland White terrier

Otodectes larva

Otodectes (ear mite) larva

Demodicosis

Demodicosis (demodectic mange) in a Dogue de Bordeaux

Dysecdysis

Dysecdysis (abnormal shedding of the skin) in a slow worm

Sarcoptes scabiei

Sarcoptes scabiei (scabies mite) and eggs taken from a dog

Mange

Mange (mite infestation) on the tail of a cat

Sarcoptes scabiei

Sarcoptes scabiei (scabies mites) from a dog

Dermatophytosis

Dermatophytosis (ringworm) in a Border collie

Trombicula autumnalis

Trombicula autumnalis (harvest mite) larva from a dog

Dermatophytosis

Dermatophytosis (ringworm) on the head of a Jack Russel terrier

Dermatophytosis

Dermatophytosis (ringworm) on the head of a Jack Russel terrier

Urticaria

Urticaria (hives) in a horse