Successful Treatment of Prurigo Nodularis with Upadacitinib.

Prurigo nodularis (PN) is a debilitating condition marked by raised, intensely itchy, often painful nodules on the skin. A 50-year-old Asian man presented with a 7-year history of PN lesions on his trunk and extremities. Observation suggests that upadacitinib could be a promising option for treating PN.