dermatitis medicamentosa

dermatitis med·i·ca·men·to·sa (md-k-mn-ts)

n.

See drug eruption.

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dermatitis medicamentosa.

See drug rash.

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dermatitis

inflammation of the skin. Dermatitis can result from various animal, vegetable and chemical substances, from heat or cold, from mechanical irritation, from certain forms of malnutrition, or from infectious disease.

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actinobacillary dermatitis

rare disease in cattle; large ulcers discharging yellow pus or nodules, on lymphatics with local lymph node enlargement.

acute moist dermatitis

a superficial bacterial infection of the skin, usually caused by self-trauma, i.e. scratching, rubbing, biting. In dogs, ectoparasites, otitis, anal sacculitis and pruritic skin diseases are common precipitating causes. Affected skin is moist, weeping, and has a covering of matted haircoat and dried exudate. Staphylococcus spp. are usually present. Called also pyotraumatic dermatitis, 'hot spots'.

allergic contact dermatitis

see allergic contact dermatitis.

allergic inhalant dermatitis

see canine atopy.

atopic dermatitis

see canine atopy.

cercarial dermatitis

see trichobilharzia.

cheyletiella dermatitis

see cheyletiella.

contagious pustular dermatitis of sheep

see contagious ecthyma.

coronet dermatitis

part of several infectious mucosal diseases of cattle; also in equine pemphigus.

dermatitis crustosa

exudative epidermitis.

elaeophorial dermatitis

see elaeophoriasis.

equine contagious pustular dermatitis

see canadian horsepox.

equine exfoliative eosinophilic dermatitis

characterized by infiltration of eosinophils and granulomatous inflammation with ulcerative stomatitis and wasting; suspected of being a hypersensitivity to Strongylus equinus larvae.

equine staphylococcal dermatitis

see equine staphylococcal dermatitis.

exudative dermatitis of pigs

see exudative epidermitis.

feline miliary dermatitis

a papular, crusting skin disease located predominantly on the back, with varying degrees of pruritus. Ectoparasites, food and drug allergy, and infection by fungi or bacteria are among the many possible causes. Called also scabby cat disease.

feline psychogenic dermatitis

see idopathic hyperesthesia syndrome.

feline solar dermatitis

see solar dermatitis (below).

fibrosing dermatitis

dermatitis sufficiently severe to affect deep layers of the dermis results in scarring of the skin due to excessive fibrous tissue formation.

filarial dermatitis

see stephanofilarosis, onchocercosis.

fold dermatitis

moisture, friction and secondary infection in body folds such as facial fold in brachycephalic dog breeds, tail fold in dog breeds with extremely short, often screw, tails, lip fold in spaniel breeds, perivulvar fold in obese bitches, and all over the body in the Shar pei.

Nasal fold dermatitis in a Bulldog. By permissionfrom Kummel BA, Color Atlas of Small Animal Dermatology,Mosby, 1989

grain itch mite dermatitis

a transient, superficial dermatitis, mostly about the head in horses; may be all over the body in pigs. Caused by pediculoides ventricosus or tyroglyphus.

granular dermatitis

swamp cancer.

dermatitis herpetiformis

chronic dermatitis in humans marked by successive crops of grouped, symmetrical, erythematous, papular, vesicular, eczematous or bullous lesions, accompanied by itching and burning; a granular deposition of IgA immunoglobulin around the lesion almost always occurs. Occurs rarely in dogs.

idiopathic caprine dermatitis

alopecic, exudative dermatitis of pygmy goats.

infectious dermatitis of piglets

see contagious porcine pyoderma.

inhalant dermatitis

see canine atopy.

interdigital dermatitis

see interdigital dermatitis.

interface dermatitis

a histopathological pattern of inflammatory skin disease with the dermoepidermal junction obscured by hydropic degeneration and/or lichenoid cellular infiltrate.

intertriginous dermatitis

see fold dermatitis (above).

intraepidermal pustular dermatitis

see equine allergic dermatitis.

lipfold dermatitis

see fold dermatitis (above).

Malassezia dermatitis

a pruritic, seborrheic skin disease of dogs, particularly some breeds including West Highland white terriers, Shetland sheepdogs, Poodles, and Cocker spaniels, and rarely cats, caused by colonization of the skin by the yeast, Malassezia pachydermatis. There is usually an underlying cause such as atopy or bacterial pyoderma.

mammary pustular dermatitis

see mammary pustular dermatitis.

dermatitis medicamentosa

an eruption or solitary skin lesion caused by a drug taken internally.

miliary dermatitis

see feline miliary dermatitis (above).

moist dermatitis of rabbits

the rabbit's pendulous dewlap keeps getting wet and develops a moist dermatitis as a result. Called also slobbers, wet dewlap.

mycotic dermatitis

see mycotic dermatitis.

nasal solar dermatitis

see solar dermatitis (below), collie nose.

ovine interdigital dermatitis

see ovine footrot.

ovine staphylococcal dermatitis

ulcerative dermatitis of the face of adult sheep and young lambs caused by a dermatopathic strain of Staphylococcus aureus. Called also ovine staphylococcal pyoderma.

pastern dermatitis

see greasy heel.

pelodera dermatitis

caused by larvae of the free-living nematode Pelodera strongyloides and characterized by alopecia, itching, thick, scurfy skin and 0.5 inch diameter pustules which contain the larvae.

photocontact dermatitis

allergic contact dermatitis caused by the action of sunlight on skin sensitized by contact with a substance capable of causing this reaction.

photosensitive dermatitis

see photosensitive dermatitis.

plastic dish dermatitis

a contact dermatitis caused by plastic feeding dishes to which a dog is allergic.

porcine juvenile pustular psoriasiform dermatitis

see pityriasis rosea.

potato dermatitis

see potato dermatitis.

primary-irritant dermatitis

contact dermatitis (see above) induced by a substance acting as an irritant rather than as a sensitizer or allergen.

proliferative dermatitis

see strawberry footrot.

psoriaform, psoriasiform dermatitis of swine

see pityriasis rosea.

pyotraumatic dermatitis

see acute moist dermatitis (above).

dermatitis-pyrexia-hemorrhage syndrome

a pruritic, papulocrustous dermatitis in dairy cows which is accompanied by fever and hemorrage from the nose and anus. It is believed to be caused by a toxin.

rhabditic dermatitis

see pelodera dermatitis (above).

seasonal allergic dermatitis

see atopy, equine allergic dermatitis.

seborrheic dermatitis, dermatitis seborrheica

a chronic, usually pruritic, dermatitis with erythema, dry, moist or greasy scaling, and yellow crusted patches on various areas, with exfoliation of an excessive amount of dry scales (dandruff) or encrustations of sebum on the skin. See also exudative epidermitis (pigs), greasy heel (horses), flexural seborrhea (cows).

solar dermatitis

a chronic, inflammatory reaction on white or lightly pigmented and exposed skin caused by sunlight. Most commonly seen on the ear tips, nose and eyelids of white cats and the nose of collie dogs or related breeds. Squamous cell carcinomas sometimes develop in affected skin. Called also nasal solar dermatitis, actinic dermatitis. See also collie nose.

spongiotic dermatitis

perivascular inflammation with spongiosis.

summer dermatitis

see equine allergic dermatitis.

superficial pustular dermatitis

immature dogs may develop pustules on the inguinal or axillary skin, often in association with poor nutrition, systemic infection, or parasitism. In kittens, these may occur on the neck, caused by 'mouthing' by the queen.

trefoil dermatitis

see trefoil dermatitis.

tyroglyphid dermatitis

see tyroglyphus.

unilateral papular dermatitis

a disease of horses characterized by the appearance of many nodules or papules on one side of the neck and body. The lesions are eosinophilic folliculitis and perifolliculitis. The etiology and the unilateral distribution of the lesions are unexplained.

ventral midline dermatitis

small ulcers with hemorrhagic crusts and hair loss, located on the abdomen, particularly around the umbilicus, of horses; caused by biting flies and gnats.

vesicular dermatitis

see avian vesicular dermatitis.

viral contagious dermatitis

see contagious ecthyma.

viral papular dermatitis

see equine papular dermatitis.

x-ray dermatitis

radiodermatitis.