Acute irritant contact dermatitis following application of a cream containing nonylvanillamid and nicotinic acid butoxyethyl ester prescribed for lower back pain The "streaky pattern" indicates an outside job. The eruption is characterized by a massive erythema with vesiculation and blister formation, and is confined to the sites exposed to the toxic agent. Source: ECZEMA/DERMATITIS, Fitzpatrick's Color Atlas and Synopsis of Clinical Dermatology, 8e Citation: Wolff K, Johnson R, Saavedra AP, Roh EK. Fitzpatrick's Color Atlas and Synopsis of Clinical Dermatology, 8e; 2017 Available at: https://accessemergencymedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/2043/wolff8_ch2_f001_a.png&sec=154897115&BookID=2043&ChapterSecID=154897093&imagename= Accessed: January 01, 2018 Copyright © 2018 McGraw-Hill Education. All rights reserved