Iron dextran Pregnancy and Breastfeeding Warnings
Iron dextran Pregnancy Warnings
Teratogenic and embryocidal effects have occurred when iron dextran was given to laboratory animals at 3 times the maximum recommended human dose. Additionally, toxicity has been reported with doses ranging from 125 mg/kg of elemental iron as a single dose to a total intravenous dose of 90 mg/kg of elemental iron over a 14 day period. However, no consistent adverse fetal effects were observed at doses of 50 mg/kg of elemental iron or less. The animals used in these laboratory tests were not iron deficient. Small amounts of iron cross the placenta, however, the form in which it crosses is not known. Neonatal serum iron concentrations have increased when iron dextran was administered within 2 weeks of delivery. No adverse effects were reported.
Iron dextran has been assigned to pregnancy category C by the FDA. Animal studies have revealed evidence of embryolethality and teratogenicity. There are no controlled data in human pregnancy. Iron dextran should only be given during pregnancy when there are no alternatives and benefit outweighs risk.
Iron dextran Breastfeeding Warnings
Zavaleta and colleagues found that oral iron sulfate given to anemic women after delivery did not effect milk iron or lactoferrin concentrations.
Traces of unmetabolized iron dextran are excreted into human milk. However, adverse effects in infants have not been reported. Iron dextran should be administered with caution during breast-feeding.
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