Pustular Skin Rash - Differential Diagnosis Algorithm Pruritic / Scaly / Erythematous lesions, usually poorly demarcated Acneiform - Erythematous papules and pustules on face: • Acne Vulgaris - Comedones +/- nodules, cysts, scars on face & trunk • Acne Rosacea - Telangiectasia, episodic flushing after sunlight, alcohol, hot or spicy food & drinks • Perioral Dermatitis - Perioral, periorbital & nasolabial distribution, sparing vermillion borders of lips Infectious: • Folliculitis - Pustules centered around hair follicles • Impetigo - Pustules with overlying thick honey-yellow crusts • Candidiasis - "Beefy red" erythematous patches in body folds with satellite pustules at periphery #Pustular #SkinRash #dermatology #Differential #Diagnosis #Algorithm #causes
