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舌苔焦黑如煤炭，干燥起裂，甚则芒刺满布；舌质多绛红而干。
Coating scorched-black like coal, dry and cracked, sometimes covered with prickles; tongue body usually crimson and dry.
主热极伤阴，肾水涸竭；属危重之候，预后须慎。
Indicates extreme heat consuming yin with exhaustion of kidney water; a critical sign demanding a guarded prognosis.
@misc{bencaodian-black-dry,
author = {{Bencaodian Editorial}},
title = {shé tāi jiāo hēi gān zào 舌苔焦黑干燥 (Scorched-Black Dry Coating)},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/tongue/black-dry},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}