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28 Cards in this Set
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tx for mild to moderate acne
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begin with topical benzoyl peroxide
add topical retinoids then add topical erythromycin or topical clindamycin |
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tx for moderate to severe nodular pustular acne
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systemic abx: tetracycline, mino, doxy, erythro, clinda, TMP-SMX
add oral retinoids *female pts must have 2 negative pregnancy tests before starting retinoids and use two forms of birth control |
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tx for rosacea
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topical metronidazole BID for several months
systemic abx for maintenance therapy isotretinoin is no response to above |
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"spaghetti and meatballs" appearance on KOH prep
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tinea versicolor (malassezia)
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tx of seborrheic dermatitis
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sunlight helps
dandruff shampoo topical ketoconazole topical corticosteroids |
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presentation of pityriasis rosea
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pruritic papulosquamous eruptions,
"herald patches" that resemble ring worm then multiple oval-shaped lesions classically in christmas tree appearance common on trunk, upper arms, thighs |
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pityriasis rosea related to what virus
what is the tx? |
herpes type 7
no treatment, spontaneously remits in 6-8wks |
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presentation of erythema nodosum
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painful red subcutaneous elevated nodules typically over anterior tibia
preceded by fever, malaise, joint pain spontaneously remits in a few weeks |
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causes of erythema nodosum
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strep infection
sarcoidosis IBD behcet's dz fungal infection pregnancy Oral contraceptive, sulfa, amiodarone, abx syphillis tuberculosis |
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workup for erythema nodosum should include
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CXR
ASO titer VDRL CBC cultures ESR |
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tx of erythema nodosum
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bed rest
leg elevation NSAIDs heat Potassium Iodide |
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causes of erythema multiforme
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HSV infection
sulfa, penicillin, phenytoin, allopurinol, barbiturates, carbamazepine, vanco, rifampin |
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tx for lichen planus
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glucocorticoids
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features of bullous pemphigoid
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antibody against hemidesmosomes in epidermal BM
spares oral mucosa negative nikolsky's |
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features of pemphigus vulgaris
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antibody against desmoglein in epidermis
effects oral mucosa (often starts there) positive nikolsky's may be the presenting symptoms of NHL, CLL, and Castleman's Dz |
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tx of genital warts
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podophyllin
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always rule out what in a child with molluscum contagiosum
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child abuse
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who gets herpes zoster vaccine
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patients over 60 without contraindications
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tx of tinea capitis and unguium
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oral griseofulvin
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hypersensitivity in scabies
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Type IV towards mites, eggs, and feces
intense pruritis |
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areas typically spared in scabies
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head, neck, palms, and soles
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scabies tx
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permethrin 5% cream
lindane(gamma-benzene-hexachloride) lotion |
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cause of actinic keratosis
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repeated sun exposure
biopsy bc of risk of SCC |
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tx for actinic keratosis
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scraping
freezing topical 5-FU |
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what is a marjolin's ulcer
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SCC arising from a chronic wound
tends to be aggressive |
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tx of psoriasis
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corticosteroids
calcipotriene and calcitriol Tars? tazaroten and anthralin combination therapy is key systemic tx: methotrexate, infliximab, cyclosporine Acitretin plus phototherapy UV light |
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Vitiligo is associated with what disorders
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DM
hypothyroidism pernicious anemia addision's dz |
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allergic drug reactions typically occur within what time period after starting drug
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within 1 month
uncommon for them to start before 1 week |
