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A member asked:
Does benadryl (diphenhydramine) cross through the placenta to the fetus?
A doctor has provided 1 answer
Good question: I am not aware of any study on this subject but it would not likely do any harm either. Since Benadryl (diphenhydramine) does cross the blood-brain barrier, i would not be too surprised if it does cross the placenta as well- even thought they are not identical barriers.
Answered 6/24/2014
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