Zyrtec ads that warn against taking Allegra with orange juice are raising questions about a new kind of fruit juice interaction

June 2011

Zyrtec ads that warn against taking Allegra with orange juice are raising questions about a new kind of fruit juice interaction.

Orange, grapefruit, and apple juice can DECREASE absorption of fexofenadine (Allegra, etc) and other drugs in the gut.

Drinking 300 mL of orange or grapefruit juice with fexofenadine can reduce blood levels by about 40%...and MIGHT make it less effective.

Get concise advice on drug therapy, plus unlimited access to CE

Pharmacist's Letter membership benefits include:

12 issues every year — what you need to know and do, right now
Quick, practical reference charts and tools
Comprehensive CE library to meet license renewal and state requirements
Multiple course formats including live webinars, podcasts, and CE-in-the-Letter to match your learning style
Plus much more!

Choose the right tier for your needs today.

Already a subscriber? Log in

Volume pricing available. Get a quote