Dermatology : Acne / Cost Summary and Differential Diagnosis
Dermatology Acne Vulgaris / Rosacea Acne Vulgaris--Overview



Acne Vulgaris
Retin-A 0.025% cream 45 g tube $42.00
Cleocin T lotion 60cc bottle $25.00
Tetracyclene 500 mg, #100 $10.00
Erythromycin 500 mg. #100 $22.00
Accutane 40 mg #60 $210.00
Benzoyle peroxide 21%, 3oz tube $17.00

Differential Diagnosis of Acne Vulgaris
Diagnosis Age of Onset Important Factors Location Clinical
Appearance
Acne rosacea 30-50 yr Slow onset aggravated by cold, ethel alcohol, hot foods, stress; unknown etiology Central face Erythema, telangiectasias, papules/postules; can present with rhinophyma or chronic eye inflammation
Perioral dermatitis Primarily adult women Sometimes associated with prolonged use of high potency topical steroids Chin, perioral and nasolabial folds Erythramatous, sometimes scaly 1-2mm papules; may progress to diffuse, scaly, yellow-red plaques
Gram-negative
folliculitis
Any age Can be seen with long-term antibiotic therapy A. Nose and mouth areas (common)
B. Neck (uncommon)
A. Superficial postules
B. Large nodules
Steroid acne Teenage to adult years Associated with oral corticosteroid therapy Chest, upper arms, and scalp Small, monomorphic papules, pustules, or closed comedoes