Rash is a common chief complaint for patients presenting to their physician, especially within the pediatric field. The ability to distinguish characteristics of a rash, including morphology, distribution, and configuration, is critical to forming the differential diagnosis. This is the second article of a 2-part review that discusses the common rashes that present in an annular configuration. This articles discuss the presentation, diagnosis, and treatment of fixed drug eruptions, lupus erythematosus, erythema multiforme, urticaria, and erythema migrans. Although this review is not inclusive of all conditions that present with annular lesions, it can serve as a starting point for physicians managing a patient with these complaints. [Pediatr Ann. 2019;48(3):e135-e138.].
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