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Calcium Disodium Versenate

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Calcium Disodium Versenate

Overdosage
Contraindications

OVERDOSE

Symptoms

Inadvertent administration of 5 times the recommended dose, infused intravenously over a 24 hour period, to an asymptomatic 16 month old patient with a blood lead content of 56 mcg/dl did not cause any ill effects. Edetate calcium disodium can aggravate the symptoms of severe lead poisoning, therefore, most toxic effects (cerebral edema, renal tubular necrosis) appear to be associated with lead poisoning.

Because of cerebral edema, a therapeutic dose may be lethal to an adult or a pediatric patient with lead encephalopathy. Higher dosage of edetate calcium disodium may produce a more severe zinc deficiency.

Treatment

Cerebral edema should be treated with repeated doses of mannitol. Steroids enhance the renal toxicity of edetate calcium disodium in animals and, therefore, are no longer recommended.7Zinc levels must be monitored. Good urinary output must be maintained because diuresis will enhance drug elimination. It is not known if edetate calcium disodium is dialyzable.

CONTRAINDICATIONS

Edetate calcium disodium should not be given during periods of anuria, nor to patients with active renal disease or hepatitis.

REFERENCES

7. Drug Evaluations, 6th Edition, American Medical Association, Saunders, Philadelphia, 1986, pp. 1637-1639.

Last reviewed on RxList: 11/26/2008
This monograph has been modified to include the generic and brand name in many instances.

Overdosage
Contraindications
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