Chigger bite - close-up of blisters
Chigger bites are caused by the larvae of the chigger. The bite produces blisters (vesicles) and bleeding into the skin (purpura). These bites itch intensely and are usually located on exposed areas of the skin where the chigger larvae have access. This photograph demonstrates vesicle formation following the bites.
Update Date: 10/28/2008 Updated by: Linda Vorvick, MD, Seattle Site Coordinator, Lecturer, Pathophysiology, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine; and Jatin M. Vyas, PHD, MD, Instructor in Medicine, Harvard Medical School, Assistant in Medicine, Division of Infectious Disease, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.