Call your doctor for an appointment if you have signs of purpura.
Your doctor will examine your skin and ask you questions about your medical history and symptoms, including:
A skin biopsy may be done.
Goldman L, Ausiello D. Cecil Textbook of Medicine. 22nd ed. Philadelphia, Pa: WB Saunders; 2004:2410.
Hoffman R, Benz EJ, Shattil SS, et al. Hematology: Basic Principles and Practice. 4th ed. Orlando, Fl: Churchill Livingstone; 2005.