DERM Flashcards
MOLLUSCUM CONTAGIOUSUM
• Treat with _____ or other treatment modalities (see for skin warts)
liquid nitrogen
IMPETIGO
• Treatment is with topical antibiotics (_____, mupirocin)
• Systemic antibiotics are generally only required in widespread disease, in immunocompromised
o _____ 250 mg PO QID
• Patients should wash their hands frequently, not touch the lesions, and avoid sharing towels etc to help prevent spread!
bacitracin
Cephalexin
PSORIASIS
• Drugs that flare psoriasis: B-blockers, anti-malarials, statins, lithium
• Never use systemic steroids to treat flares
• Limited Dz TMT
o High potency to ultra-high potency (_____ or Ultravate)
o 2-3 weeks bid, then pulse then 3-4 Xs on weekends
o Also, calcipotriene ointment 0.005% (_____ analog) bid until lesion clears, then qd long term
Not on groin or face
• ADJUNCTS:
o Tar preps and _____
o Can use occlusion alone (clears lesions in 30-40% of pts)
o Can use occlusive hydrocolloid dressings: thin DuoDerm: leave on undisturbed for 7 days, then replace (do for several weeks)
o Tazarotene gel (topical retinoid) 0.1% qd
o Can use _____ in areas where you cannot apply steroids (face and groin)
• ADJUNCT THERAPY:
o On scalp: tar shampoo qd
o Thick scales: salicylic acid gel or other preps under a shower cap at night; shampoo in am
o Face, penile , groin psoriasis: Tacrolimus ointment 0.1% (no steroids)
• GENERALIZED DISEASE
o If psoriasis involvement is > 30% of body: topicals are not practical
o Tmt: outpt _____ exposure X 3 weekly
o Clearing in ~7 weeks; need maintenance
o Can try PUVA (increased risk of skin CA)
o Rapid aging of skin
o Can use it with acitretin (synthetic retinoid) with phototherapy; not for women contemplating pregnancy: must wait 3 years
• PSORIASIS
o _____: up to 25mg q week (effective; 50-60% achieving satisfaction)
o Monitor LFTs, consider referral to hepatology
o Use folic acid 1-2 mg qd to eliminate nausea
• Severe cases: can also use cyclosporine
• RAPID REBOUND WHEN DRUG IS STOPPED, so another agent must be started
• _____ etanercept (Enbrel) 50 mg X2 weekly (3 mos), then 25 X2 weekly and infliximab (Remicade) (for flares) have good activity against psoriasis
• Combo therapy most effective: entanercept or infliximab with MTX
Bethamethasone Vitamin D shampoos tacrolimus UVB light Methotrexate TNF IBHIBITOR
ROSACEA
• Avoidance of triggering factors
• Wear appropriate sun screen
• Topicals:
o Topical _____ cream 1-2 times daily
o Second line, topical clindamycin once daily
• Oral therapy with Minocycline or _____ 50-100 mg 1-2 xs daily
• Surgical debulking of rhinophyma
metronidazole
Doxyclicline
LICHEN PLANUS
• Topicals:
o Ultra high topical _____ bid in nonflexural areas; can use high potency under occlusion
o Topical _____ effective in oral and vaginal erosive lichen planus
o Long term tmt to prevent relapse
• Systemic Tmt:
o _____ in severe cases
o Relapse when steroids are tapered
o Not good for chronic cases
o Isotretinoin and acitretin by mouth sometimes effective in oral and cutaneous lichen planus
o UV phototherapy may help
steroids
tacrolimus
Corticosteroids
SEBORRHEIC DERMATITIS
• SCALP
o Shampoos with _____ or selenium (Selsun Blue) used daily
o Alternate with _____ shampoo (1 or 2%) X 2 weekly
o Use topical steroids as necessary bid
• FACIAL o Mild steroid \_\_\_\_\_ 1% o Use intermittently o Avoid eyes o Don’t use high potencies o Can add Nizoral (ketoconazole) bid o Topical Protopic or Elidel: steroid sparing alternatives (don’t use for long periods of time:black box warning re: immunosuppression)
zinc pyrithione
ketoconazole
Hydrocortisone
ATOPIC DERMATITIS
• These pts have skin that is hyperirritable!
• Anything that dries or irritates skin can cause an outbreak
• Avoid irritants (contact irritants, excessive heat, rough fibers, tight clothing, cool dry air)
• Use synthetic fibers or cotton in clothing (no wool or acrylic)
• Soap ONLY on pits, groin, scalp, feet
• Soaps: Dove, Eucerin, Aveeno, etc.
• Rinse, pat skin dry, cover with moisturizer:
o Eucerin, Vaseline
• TOPICALS
o Steroids sparingly bid
o Potency appropriate to severity of dermatitis
o Start _____ 0.1% (or a stronger corticosteroid)
o Then taper to _____
o Then taper to moisturizer when dermatitis clears
o Don’t stop steroids abruptly: rebound flare
• OINTMENTS – IMMUNOMODULATING AGENTS
o _____ ointment (Protopic) bid application: suppresses the immune system and the inflammation by inhibiting an enzyme (calcineurin) crucial for the multiplication of T-cells
o Pimecrolimus cream (Elidel): also a topical calcineurin inhibitor that decreases inflammation.
o Both have a Black Box warning: potential cancer risk (lymphoma)
• TREATING ECZEMA based on the lesion type…
o Acute weeping lesions-
Soaks in water, colloidal oatmeal, or Burrow’s solution
Use high-potency _____ after soaking (not on face or folds)
May need systemic steroids if lesions widespread
Investigate for possible superinfection
o Subacute or scaly lesions-
Mid to high potency steroids in ointment form
Taper to moisturizers as tolerated
Can substitute _____ or pimecrolimus
o Chronic lichenified lesions
Need high to ultra-high potency steroids, may need _____ dressing
• SYSTEMIC THERAPY
o Systemic corticosteroids are only employed for SEVERE acute exacerbations
o Long-term steroid use NOT recommended
o Bedtime doses of _____ may help with pruritis
o There are immunomodulating medications for severe, recalcitrant cases
triamcinolone hydrocortisone Tacrolimus steroids tacrolimus occlusive antihistamines
LICHEN SIMPLEX CHRONICUS
• Use high potency _____ (with or without _____) in nongenital areas
steroids
OCCLUSION
CONTACT DERMATITIS
• Acute weeping dermatitis:
o Compresses
o _____ lotion between wet dressings
o Wet dressings for 30-60 minutes several times daily
o Potent topical _____ (gel or cream) suppress dermatitis and relieve itching; then taper
o Fluocinonide gel 0.05% bid-tid with compresses
• Chronic:
o High to highest potency steroids in ointment form (not on face or skin folds)
• Systemic:
o Acute severe cases: _____ orally for 12-21 days
o Give 78 5mg tabs:
12 first day
11 second day
10 third day…..etc.
Don’t use prepackaged Medrol Dose pak: not enough steroid for long enough.
Takes 2-3 weeks to fully heal.
Calamine
steroids
prednisone
TINEA CORPORIS: RINGWORM
• TOPICALS: o \_\_\_\_\_ 2% cream o Clotrimazole 1% solution, cream, lotion o Betenafine, terbinafine o All over the counter o Treat for 1-2 weeks past clearing
• SYSTEMICS:
o Generally not needed unless disease is widespread or patient has immunocompromise
o _____ (ultramicrosize) 250-500 mg bid, 4-6 weeks of tmt
o Or.. _____ 200mg qd X 1 week
o Either topicals or systemics work in about 4 weeks
Miconazole
Griseofulvin
Itraconazole
TINEA CRURIS
- Drying powders (Zeasorb-AF)
- _____ cream qd X 7 days: curative
- Can use _____, clotrimazole, butenafine also
- Severe cases: systemic _____ 250-500mg bid X 1-2 weeks
- Itraconazole 200mg qd X1 week
Terbinafine
miconazole
griseofulvin
TINEA MANUUM/ TINEA PEDIS
- If toes are macerated:
- _____ soaks for 20min bid
- Topical _____ daily
- If that fails: allylamine (terbinafine or butenafine) will work
- Dry and scaly stage: use antifungals as listed for corporis
- On soles, you can add urea 10% lotion
- Severe: griseofulvin, itraconazole 200mg qd X 2 wks
Aluminum subacetate
imidazole
TINEA VERSICOLOR
• Topicals
o _____ lotion : neck to waist for 5-15 min. X 7 d; then weekly X 1 mo., then monthly.
o ______ shampoo lathered on back/chest for 5 min. weekly also works for maintenance
o Sulfur-salicylic acid soap or shampoo or zinc shampoos on continuing basis
o Pigmentation may take months to fill in; relapses also common
• Orals
o _____ 200mg qd X1week or 1 400mg single dose short term cure
o (Don’t shower for 12 hours after taking it; delivered in sweat to skin)
o Then need maintenance or they will relapse
Selenium sulfide
Ketoconazole
Ketoconazole
CANDIDA
• Tx: keep dry and exposed to air, discontinue systemic abx
o Nails: _____ 1%
o Skin: _____ ointment w/ hydrocortisone cream
o Vulva/anus: single dose fluconazole
o Intravaginal clotrimazole, miconazole, terconazole, or nystatin
clotrimazole
nystatin
INTERTRIGO
• _____ cream 1% plus _____ or nystatin cream
Hydrocortisone
imidazole