Sanofi Clarifies Xyzal-Zyrtec Size Comparison, Outweighs J&J Calculation

National Advertising Division recommends Sanofi add "nearly" to claim that Xyzal Allergy 24HR is "as effective at half the size" of J&J's Zyrtec in a TV ad because 3D modeling comparing the products showed Xyzal tablet has 73-mm volume and a Zyrtec tablet's is 145.2 mm. Sanofi's evidence also supported referring to Xyzal's size would not mislead consumers to expect its drug has half the pharmaceutical dosage of Zyrtec.

Resolving the latest advertising dispute between two OTC antihistamine brands swung on Sanofi making a more precise comparison after Johnson & Johnson imprecisely compared the products as the basis for its challenge.

The Council of Better Business Bureaus' National Advertising Division recommended that Sanofi describe its Xyzal Allergy 24HR as "just as...

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