Langerhans cell histiocytosis (LCH) is a proliferative disorder of langerhans cells and lymphocytes having different subtypes and a wide range of clinical manifestations and severity ranging from a unifocal self-limited disorder to multi-system involvement and even death. Along with clinical manifestations, diagnosis is made through existence of specific immunohistochemistry markers. Where treatment is necessary, different treatment modalities have been proposed though none have found to be optimal.This paper introduces a 23-year old girl with an extensive yellowish to red-brown maculopapular rash over her face accompanied with polyuria, polydipsia, and fatigue.