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Contact urticaria caused by the Apple Watch – A case report.pdf

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Contact urticaria caused by the Apple Watch – A case report.pdf

Available online at ScienceDirect Journal of Dermatology Dermatologic Surgery xxx (2016) xxx–xxx Contact urticaria caused by the Apple Watch – A case report Spencer D. Hawkins ?, Steven R. Feldman Department of Dermatology, Wake Forest School of Medicine, 4618 Country Club Rd, Winston-Salem, NC 27106, USA Received 4 August 2016; accepted 16 August 2016 Abstract Smart watches are an upcoming trend that provide quick access to smartphone noti?cations on the wearer’s wrist. Metal portions of the Apple Watch contain small amounts of nickel, however, the interchangeable bands can be made of a variety of di?erent materials including methacrylate polymers and ?uoroelastomer synthetic rubber. There are multiple reports in non-peer reviewed literature such as social media and blogs of the Apple Watch causing skin irritation. Here we present a case report of a patient presenting to Wake Forest Baptist Dermatology clinic with a skin rash following use of an Apple Watch with a synthetic rubber watch band. The patient presented with a pruritic erythematous rash distributed in a 2 cm band on the medial ?exor aspect of the left wrist that developed after weeks of daily use of an Apple Watch. The presence of a rash focally under the band suggest contact urticaria, irritant contact dermatitis secondary to sweat and friction, or an allergic contact dermatitis process related to the metal of the watch or synthetic rubber of the band. The patient’s report that the rash resolves within hours of removal supports contact urticaria over a contact dermatitis process. ó 2016 The Authors. Production and hosting by Elsevier B.V. on behalf of King Saud University. This is an open access article under the CC BYNC-ND license (/licenses/by-nc-nd/4.0/). Keywords: Contact; Urticaria; Apple; Smart; Watch 1. Introduction Watch strap irritation has been documented for over 60 years and is thought to be caused by an allergic or irritant contact dermatitis (in some cases contact urticaria) secondary t