DOI: 10.2337/dc08-0230 © 2008 by the American Diabetes Association
Psoriatic Exacerbation Associated With Insulin Therapy
1 Massachusetts General Hospital Diabetes Center, Massachusetts General Hospital, Boston, Massachusetts Corresponding author: Allan F. Moore, MD, MGH Diabetes Center, Massachusetts General Hospital, 55 Staniford St., 3rd Floor, Boston, MA 02114. E-mail: afmoore@partners.org
We report the case of a 70-year-old male who presented with worsening psoriasis after initiating insulin therapy. The patient, who had a 25-year history of type 2 diabetes with no complications and an A1C of 7.8%, took metformin for 20 years with stable umbilical psoriasis. He did not require psoriatic therapy before initiating insulin therapy.
In December 2006, the patient transitioned to glargine injections for a rising A1C. Two weeks later, psoriasis erupted on his abdomen and legs. He
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