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Dermatitis, Eczema
Causes, symptoms, treatments
15
Pharmacology
Undergraduate 4
10/22/2010

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Cards

Term
What are the endogenous causes of dermatitis? (7)
Definition
Atopic (eczema), seborrheic, discoid, asteatotic, lichen simplex, varicose, gravitational
Term
What are the exogenous causes of dermatitis? (4)
Definition
irritant contact, allergic contact, photoallergic, phototoxicity
Term
What is the causative agent of seborrhoeic dermatitis?
Definition
Pityrosporum ovale (yeast)
Term
Where is discoid dermatitis usually found?
Definition
forearms and legs
Term
What are three modes of management of dermatitis?
Definition

Skin maintenance care techniques

Environmental change (avoid allergen)

Drugs: antiinflammatory, antihistamine, corticosteroids, antibiotics

Term
What based topical agent is used for weeping dermatitis?
Definition
cream
Term
What based topical agent is used for dry/lichenified dermatitis?
Definition
ointment
Term
What type of formulation is used for hairy areas of dermatitis?
Definition
lotion
Term
When are anitseptic/astringent soaks indicated in dermatitis?
Definition
weeping dermatitis (dry up exudate)
Term
What topical product is indicated for mild, localised cases of dermatitis?
Definition
corticosteroid cream or ointment
Term
What is the order of potentcy of steroid products for dermatitis?
Definition

hydrocortisone

betamethasone valerate/triamcinolone

betamethasone dipropionate

Me.prednisolone

Term
What are the adverse effects of topical steroids?
Definition
skin atrophy, fragility, easy bruising, telangiectasia, purpura
Term
What is used when topical steroids fail in the treatment of dermatitis?
Definition
Topical immunosuppressants: pimecrolimus, tacrolimus (short term)
Term
What is the mechanism of action of pimecrolimus, tacrolimus?
Definition
calcineurin inhibition
Term
When may systemic steroids be indicated in dermatitis?
Definition
acute aczema
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