Chiggers

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Chigger bite - close-up of blisters

Chiggers are tiny, six-legged wingless organisms (larvae) that grow up to become a type of mite. Chiggers are found in tall grass and weeds. Their bite causes severe itching.

Harvest mite; Red mite

Chiggers are found in certain outdoor areas, such as berry patches, tall grass and weeds, and woodland edges.

Chiggers bite humans around the waist, ankles, or in warm skin folds. Bites commonly occur in the summer and fall months.

Review Date: 09/15/2010
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School; Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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