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A member asked:
Gave my 6 year old allegra 3 hours ago can i give her benadryl (diphenhydramine) now?
4 doctors weighed in across 2 answers
COLDS: No it will be too much decongestant. Allegra (fexofenadine) works x at least 12 hours.
Answered 6/24/2014
5.2k views
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Allegra (fexofenadine): If you give 30mg of Allegra (fexofenadine) to your 6 yo, you need to wait for 12 hours for the next dose of any other antihistamine.
Answered 6/24/2014
5.2k views
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