1- therapeutics Flashcards
more shine on rash means which layer involved?
dermis
what does vulgaris mean?
common
what are some prescribing tips for emollients?
they’re to rehydrate dry or scaly conditions
- best to apply after bath in direction of hair growth
- remember that could be fire risk if paraffin based
what is wet wrap therapy?
used for very dry skin where wrap up with emollient
what is a mild to very potent topical corticosteroid? (there are 4)
- mild = hydrocortisone 1%
- moderate = modrasone clobetasone butyrate 0.05%
- potent = mometasone betamethasone valerate 0.1%
- very potent = clobetasol propionate 0.05%
what is fingertip rule?
1 fingertip unit of topical corticosteroid = 1/2g which covers 2 hand areas
what are side effects of topical steroids?
- can make rebound flare! (especially in psoriasis)
- thinning of skin, purpura, stretch marks
- steroid rosacea (red cheeks), perioral dermatitis, fixed telangiectasia
when are antiseptics used? like in general?
recurrent infections, skin cleansing, wound irrigation
what are antivirals used for?
- herpes simplex (cold sore)
- eczema herpeticum
- herpes zoster (shingles)
what are antifungals used for?
- candida (thrush) e.g. nystatin clotrimazole
- dermatophytes (ringworm) e.g. clotrimazole, terbinafine cream
- pityriasis versicolor e.g. ketoconazole as cream or shampoo
what is psoriasis treatment?
emollient and choice of
- coal tar
- vit D analogue (dovonex)
- keratolytic
- topical steroid
- dithranol
what are side effects of topical therapies?
- burning or irritation
- contact allergic dermatitis
- local toxicity
- systemic toxicity
systemic = hypercalcaemia & hypercalciuria, suppress pituitary
when would you use topical corticosteroids? what conditions?
- eczema
- psoriasis
- other non infective inflammatory dermatoses e.g. lichen planus
what are some examples of antipruritics?
- menthol
- capsaicin
- camphor/phenol
- crotamiton (eurax cream)
what is 5-fluorouracil? when used?
cream that treats precancerous lesions - for solar damage, bowen’s disease & superficial basal cell carcinoma
what is imiquimod? when used?
immune suppressant cream, for solar damage & superficial basal cell carcinoma