Dermatitis, the inflammatory response of the skin to various factors, may present in a variety of forms. Atopic dermatitis, contact dermatitis, nummular eczema, seborrhea, and stasis dermatitis, conditions with which the patient may present to the emergency department, either in the acute stage or with exacerbation of a chronic condition, are reviewed in this article.

The usual pattern of onchocercal dermatitis in Africans and Guatemalans is a generalized and symmetrical dermatitis located on legs, arms and trunk. These patients appear to be anergic, with depressed immune responses and numerous microfilariae in the skin. In contrast, "sowda" is an unusual type of onchocercal dermatitis found in Yemenites and in a minority of African patients. Here the dermat...

Pigmented contact dermatitis (PCD) is a noneczematous variant of contact dermatitis, characterized clinically by hyperpigmentation with little or no signs of dermatitis. The term “pigmented contact dermatitis” was coined by Osmundsen, a Danish dermatologist who described an epidemic of melanosis in Copenhagen.[1] In a series of excellent observations and investigations, he proved that the melan...

'cercarial dermatitis' also known as swimmers itch (skin allergies) is caused by a trematode parasite, schistosoma which has two hosts - an invertebrate (snail) and a vertebrate (livestock, human being). although the availability of both vector snails and pathogens at the selected site the doon valley in northern india has already been confirmed but there was a hazy picture of the disease, whet...

the prevalence of atopic dermatitis (ad) and obesity have been increasing considerably in korean school-children. ad is a chronic pruritic recurrent inflammatory skin disorder. leptin is secreted by adipocytes which has been suggested to be immunologically active; however, their role in ad has not yet been well understood. a total of 227 subjects out of 2,109 elementary school children were def...

toxocara canis is an intestinal nematode affecting dogs and cats that causes human infestations by ingestion of embryonated eggs excreted in dogs' faeces. humans are transport hosts, in whom the larvae do not develop to adult worms, but may migrate to various tissues and organs, and survive for several years, giving rise to several clinical symptoms, which include allergy-like presentations. we...

abstract background and purpose: paederus associated dermatitis has always been considered as a health problem in the northern of iran. since until now, the traditional method and some corticosteroids have been used in the treatment of paederus dermatitis (pd) and no comprehensive studies have been carried out on the new method of treatment. therefore, this study was aimed to compare the anti-i...

Berg, C. C. 1998. Foot-pad dermatitis in broilers and turkeys. Prevalence, risk factors and prevention. Doctor’s dissertation. ISSN1401-6257, ISBN 91-576-5442-5 Foot-pad dermatitis is a condition characterised by lesions on the ventral foot-pads of poultry. It is a type of contact dermatitis, which in an early stage results in hyperkeratosis, erosions and discoloration of the skin. The erosions...

contact dermatitis is frequent skin pathology and eyelids are one of the more frequent locations of this pathology. the objective of the present work was to study the population distribution of periocular dermatitis, determine the allergens which most frequently indicate positive in patch tests and in provocative use tests, and analyse the clinical relevance of the positive tests. patients with...