Fexofenadine — Drug Interactions, Alcohol & Pregnancy Guide

Last reviewed: · Source: US FDA drug label database

About Fexofenadine

Fexofenadine is a non-sedating antihistamine. Unlike cetirizine and loratadine, its absorption is significantly reduced by fruit juices (grapefruit, orange, apple). Take with water, not juice.

Also sold as: Allegra, Telfast

Drug class Second-generation antihistamine
Used for Hay fever, Allergic rhinitis, Urticaria
Max adult dose 120mg once daily (hay fever); 180mg once daily (urticaria)
OTC in UK Yes

Fexofenadine and Alcohol

🟢 GENERALLY SAFE

Fexofenadine is one of the least sedating antihistamines and is generally safe with moderate alcohol — it is much less likely to cause drowsiness than older antihistamines.

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Fexofenadine in Pregnancy

🟡 USE WITH CAUTION

Fexofenadine has limited human pregnancy data — loratadine or cetirizine are preferred choices; use fexofenadine only if these haven't worked.

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Not sure if Fexofenadine is safe with your other medications?

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