Loperamide Pregnancy and Breastfeeding Warnings

Brand names: A-D Anti-Diarrheal, Anti-Diarrheal, Diamode, Diar-Aid, Imodium, Imodium A-D, Imotil, Kao-Paverin, Kaopectate 1-D, Kaopectate II, Neo-Diaral, Pepto Diarrhea Control, Up and Up Anti-Diarrheal Solution

Medically reviewed by Drugs.com. Last updated on Sep 20, 2023.

Loperamide Pregnancy Warnings

This drug should not be used during pregnancy unless the benefit outweighs the risk to the fetus.

AU TGA pregnancy category: B3
US FDA pregnancy category: C

Animal studies at up to 40 mg/kg/day have revealed no fetal harm; studies at 40 mg/kg/day (21 times the human dose) showed marked impairment of fertility in one animal model. There are no controlled data in human pregnancy.

AU TGA pregnancy category B3: Drugs which have been taken by only a limited number of pregnant women and women of childbearing age, without an increase in the frequency of malformation or other direct or indirect harmful effects on the human fetus having been observed. Studies in animals have shown evidence of an increased occurrence of fetal damage, the significance of which is considered uncertain in humans.

US FDA pregnancy category C: Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.

See references

Loperamide Breastfeeding Warnings

Use is not recommended.

Excreted into human milk: Yes

Comments:
-Small amounts of this drug may appear in breast milk.

See references

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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