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.