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Life-Threatening Calcium Chloride Ingestion
Ki-Kwan Kang1, Hyoung-Jong Kim1, Dong-Yoon Kim2
1Department of Emergency Medicine, Chung-Ang Jeil Hospital, Chungbuk, South Korea.
Journal of Medical Cases
|October 1, 2025
Summary
Ingesting household dehumidifier fluid containing calcium chloride dihydrate can cause severe hypercalcemia. Prompt medical treatment and a rapid parathyroid hormone response helped restore electrolyte balance and led to full recovery in this case.
Area of Science:
- Toxicology
- Endocrinology
- Internal Medicine
Background:
- Calcium chloride dihydrate (CaCl2·2H2O) is a common ingredient in South Korean household dehumidifiers.
- Ingestion of CaCl2·2H2O can lead to severe toxicity, particularly life-threatening hypercalcemia.
- Understanding electrolyte homeostasis and physiological adaptation is crucial in managing such cases.
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