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Dermatitis
Dermatitis — extra information
RashesTerminology
Authors: Dr Ian Coulson, Consultant Dermatologist, Burnley, Lancashire, UK.
April 2022. Previous author: Dr Amanda Oakley, Dermatologist, New Zealand, 1997. Copy edited by Gus Mitchell.
Introduction
Demographics
Clinical features
Variation in skin types
Types
Differential diagnosis
Investigation
Treatment
E-lecture
What is dermatitis?
Dermatitis refers to a group of itchy inflammatory conditions characterised by epidermal changes.
Dermatitis can be classified in a variety of ways.
It may be classified by:
In many cases, various factors may all act as underlying triggers together (allergic, irritant, and endogenous factors, especially in hand dermatitis).
The terms dermatitis and eczema are often used interchangeably.
All eczema is a dermatitis, but not all dermatitis is eczema.
- Dermatitis, strictly speaking, includes any cause of skin inflammation affecting the epidermis.
- Eczema is derived from the Greek word for “to boil or bubble over”, which pathologically manifests as oedema within the
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