Skin toxicity after Filgrastim treatment for an Ewing's sarcoma patient.

Introduction: Filgrastim is a granulocyte colony-stimulating factor (GSCF) used in some chemotherapy regimen to prevent febrile neutropenia. Most common reaction of filgrastim are aches and pain including headaches, nausea and skin rash.

Case Report: We report the case of a patient who developed unusual, non-commonly reported adverse toxidermy to filgrastim.