Eschar is dead tissue that falls off (sheds) from healthy skin. It is caused by a burn or cauterization.
An escharotic is a substance (such as acids, alkalies, carbon dioxide, or metallic salts) that causes the tissue to die and fall off.
Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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