| Atopic eczema |
- aka infantile e., flexural e., atopic dermatitis
- it has hereditary component
- itchy rash is particularly noticeable on face and scalp, neck, inside of elbows, behind knees, and buttocks
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| Contact dermatitis |
- it can be allergic (resulting from a delayed reaction to some allergen, such as poison ivy or nickel) or irritant (resulting from direct reaction to a solvent, for example)
- some substances act both as allergen and irritant
- other substances cause a problem after sunlight exposure, bringing on phototoxic dermatitis
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| Xerotic eczema |
- aka asteatotic e., e. craquele or craquelatum, winter itch, pruritus hiemalis
- dry skin becomes so serious that it turns into eczema
- it worsens in dry winter weather
- limbs and trunk are most often affected
- very common among the older population
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| Seborrhoeic dermatitis |
- aka cradle cap in infants, dandruff
- causes dry or greasy scaling of the scalp and eyebrows
- scaly pimples and red patches sometimes appear in various adjacent places
- in newborns it causes a thick, yellow crusty scalp rash called cradle cap
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| Dyshidrosis |
- aka dyshidrotic e., pompholyx, vesicular palmoplantar dermatitis, housewife’s eczema
- it occurs on palms, soles, and sides of fingers and toes
- tiny opaque bumps called vesicles, thickening, and cracks are accompanied by itching which gets worse at night
- it worsens in warm weather
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| Discoid eczema |
- aka nummular e., exudative e., microbial e.
- it features round spots of oozing or dry rash, with clear boundaries, often on lower legs
- it is usually worse in winter
- cause is unknown, and the condition tends to come and go
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| Venous eczema |
- aka gravitational e., stasis dermatitis, varicose e.
- it occurs in people with impaired circulation, varicose veins and edema, and is particularly common in the ankle area of people over 50
- it features redness, scaling, darkening of the skin and itching
- the disorder predisposes to leg ulcers
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| Dermatitis herpetiformis |
- aka Duhring’s Disease
- it causes intensely itchy and typically symmetrical rash on arms, thighs, knees, and back
- directly related to celiac disease, and can often be put into remission with appropriate diet
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| Neurodermatitis |
- aka lichen simplex chronicus, localized scratch dermatitis
- it featuresan itchy area of thickened, pigmented eczema patch that results from habitual rubbing and scratching
- usually there is only one spot
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| Autoeczematization |
- aka id reaction, autosensitization
- eczematous reaction to an infection with parasites, fungi, bacteria or viruses
- it always occurs some distance away from the original infection
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| Others |
There are also eczemas resulting from:
- viral infections (e. herpeticum, e. vaccinatum)
- underlying disease (e.g. lymphoma)
- ingestion of medications, foods, and chemicals
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