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 | Sometomes 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-negativeAny 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 |