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Table 1 Common toxicological causes of a high anion gap lactate acidosis (adapted from 22)

From: Fatality after deliberate ingestion of sustained-release ibuprofen: a case report

Biguanides (for example, metformin)

Cyanide

Iron

Salicylates

Theophylline

Type B lactic acidosis (for example, from hypotension related to any significant poisoning)