Eschar is dead tissue that falls off (sheds) from healthy skin. It is caused by a burn or cauterization (destroying tissue with heat or cold, or another method).
An escharotic is a substance (such as acids, alkalis, carbon dioxide, or metallic salts) that causes the tissue to die and fall off.
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Taber's Online Medical Dictionary. www.tabers.com/tabersonline/view/Tabers-Dictionary/752803/0/eschar?q=Eschar. Accessed July 6, 2021.
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Review Date 5/24/2021
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.