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OtherPractice

Safety of antihistamines during pregnancy and lactation

Miranda So, Pina Bozzo, Miho Inoue and Adrienne Einarson
Canadian Family Physician May 2010; 56 (5) 427-429;
Miranda So
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Pina Bozzo
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Miho Inoue
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Adrienne Einarson
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ABSTRACT

QUESTION Many of my pregnant and breastfeeding patients suffer from allergies and frequently ask me about the safety of antihistamines during pregnancy and breastfeeding. Should I advise them to use the older sedating medications? I have heard that they might be safer than the newer nonsedating class of drugs. Or have the newer ones been studied as well?

ANSWER First-generation antihistamines are considered safe to use during pregnancy. There are relatively fewer data on the nonsedating second-generation antihistamines; however, published studies are reassuring. All antihistamines are considered safe to use during breastfeeding, as minimal amounts are excreted in the breast milk and would not cause any adverse effects on a breastfeeding infant.

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Canadian Family Physician: 56 (5)
Canadian Family Physician
Vol. 56, Issue 5
1 May 2010
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Safety of antihistamines during pregnancy and lactation
Miranda So, Pina Bozzo, Miho Inoue, Adrienne Einarson
Canadian Family Physician May 2010, 56 (5) 427-429;

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Safety of antihistamines during pregnancy and lactation
Miranda So, Pina Bozzo, Miho Inoue, Adrienne Einarson
Canadian Family Physician May 2010, 56 (5) 427-429;
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