Hypoparathyroidism

Deficiency of parathyroid hormone leads to low blood calcium levels

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Chronic kidney failure

Damaged kidney does not effectively regulate calcium levels

Most cases are mild; if needed, lower blood phosphate concentration through diet and medication

Eclampsia (puerperal tetany)

Occurs in lactating females; may be due to imbalance between intake and outflow of calcium

Intravenous calcium; weaning of litter if possible

Chelating agents (for example, ethylene glycol in antifreeze)

Chelating agent binds to calcium

Depends on the chelating agent involved