Picture of Serum Sickness
Serum sickness. Urticarial, coalescing plaques on the lower legs of an adolescent with serum sickness.
Image Source: Color Atlas & Synopsis of Pediatric Dermatology Kay Shou-Mei Kane, Jen Bissonette Ryder, Richard Allen Johnson, Howard P. Baden, Alexander Stratigos Copyright 2002 by The McGraw-Hill Companies. All rights reserved.