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Dermatitis (Acute (rapidly evolving erthymeatous rash, Swelling, weeping,…
Dermatitis
Acute
rapidly evolving erthymeatous rash
Swelling
weeping
crusting
Blistering
Chronic
longstanding irritable area
erythema
darker than surrounding skin
constant scratching causes thickening
lichenification
Excoriations
Dermatitis & eczema used interchangeably
Itchy inflammatory condition
Characteristic spongiosis
Intercellular oedema
Types of Dermatitis
Endogenous
Seborrhoeic
Atopic
Description
Chronic
Itchy
Common in children
Can occur at any age
Most common form of dermatitis
Common in people with atopic tendency
Atopic eczema
Asthma
Allergic rhinitis (hay fever)
Causes
Genetic & environmental interactions
Defects in skin barrier function
Skin becomes more susceptible to irritation
soap
contact irritants
Weather
temperature
other non-specific triggers
Treatments
Explanation of chronicity & overall good prognosis
Modification of lifestyle (avoid exacerbating factors)
Avoid wool & synthetics
Avoid soaps & shampoos (use substitutes)
Avoid hot baths
Cold windy weather exacerbates
Asteatotic
Nummular
Stasis
Endogenous &/or Exogenous
Otitis Externae
Exogenous
Irritant
Allergic Contact
Eczema
Endogenous
commonest cause of chronic skin disease
genetic susceptibility
e.g. Atopic dermatitis
Exogenous
external factor
Mango Sap Dermatitis
Formaldehyde
Can be both acute & chronic