3: Derm 2 Flashcards
Clinical presentation: possible prodrome of malaise and fever or may be asymptomatic. Diagnosis: 1–5 cm herald spot with central clearing.
Pityriasis rosea
What is the treatment for acute urticaria (4)?
- Benadryl 1 mg/kg/dose q 6-8 hours or hydroxyzine 0.5 mg/kg/day.
- Stop all ABX and determine offending agent.
- Epi 0.01 mg/kg up to 0.3 ml sub-q for angioedema/anaphylaxis.\
- Consider prednisone 1-2 mg/kg/day x 1 week to be tapered.
Clinical findings:erythematous, annular raised wheals with pale centers, and scattered lesions that coalesce. Can cause edema of eyelids, tongue, hands, feet, etc.
Urticaria
What are DDx of erythema multiforme (4)?
- Urticaria
- Staph scalded skin syndrome
- Kawasaki
- Lupus
What are complications of untreated Kawasaki dz (4)?
- Cardiovascular (20-25%)
- Myocarditis
- Pericarditis
- Aneurysm formation in coronary arteries infarction
Description:acute febrile illness, turning into systemic vasculitis.
Kawasaki dz
What is the treatment for erythema multiforme minor (4)?
- Mild analgesics
- Cool compresses
- Antihistamines
- Steroids (short course)
Brown or black spots that require derm referral if large.
Raised nevi
Clinical manifestations: fever for more than 5 days. Bilateral nonexudative conjunctivitis, inflammation of mucous membrane, cervical lymphadenopathy, rash over trunk and extremities. Rhinorrhea and diarrhea. Extremely irritable.
Kawasaki dz
Can result in complete hair loss that occurs in frontal or parietal region. Absent erythema, scaling, or lesions.
Alopecia areata
What age is Kawasaki dz most common?
Under age 5
What causes seborrhea (2)?
- Overproduction of sebum within sebaceous glands.
2. Malassezia furfur
What is the treatment for chronic urticaria?
H1 and H2 blockers
Polyarthralgias of the ankle and knee. Edema of hands, feet, scalp, and periorbital regions.
Henoch-Schonlein purpura
Erythema multiforme with brief prodrome, widespread cutaneous and mucous membrane involvement.
Stevens Johnson syndrome
Alopecia areata can be familial and usually lasts more than _____ years.
2
Acute or chronic inflammatory or hypersensitivity response to a substance that irritates the skin. Often a reaction to jewelry, snaps, cosmetics, medications, poison ivy, oak, and sumac.
Contact dermatitis
What is the management for Kawasaki dz (3)?
- Prevention of thrombosis and aneurysm via hospitalization.
- High doses of IV immunoglobulin and ASA for 2-3 months.
- Close follow-up to monitor potentially permanent CAD.
What is the treatment for dandruff or seborrhea (3)?
Selenium shampoos
Antifungal meds
Low-potency steroid creams
T/F Urticaria has strong ties to genetics, family hx of hives, and atopy.
True
Where is seborrhea often present, esp in adolescent boys and adult men?
Hair, neck and ears
T/F Never burn a poison ivy plant.
True
What are potential triggers of erythema multiforme (6)?
- Sulfonamides
- Anticonvulsants
- Barbiturates
- Infx
- Malignancies
- Immune disorders