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Abstract
Four patients with elevated serum boric acid levels after single, acute ingestions of 10 to 297 grams were reported to the Rocky Mountain Poison and Drug Center (RMPDC) between January 1983 and August 1985. Systemic effects were absent.
In 1983-4, 364 cases of boric acid exposure were reported to the RMPDC with only one fatality from a probable chronic ingestion. Vomiting, nausea, diarrhea, and abdominal cramps were rather common. Systemic effects were notably absent in acute ingestions. Five of three hundred sixty-four patients had measured serum levels and were the only ones hospitalized.
These observations suggest that significant poisoning is unlikely to result from a single, acute ingestion of boric acid. Serum boric acid levels appear to correlate poorly with clinical toxicity following acute ingestion.