Nasacort, Flonase Competition Heats Up As Sanofi Appeals NAD Review

Chattem appeals a National Advertising Division decision from a review of advertising comparing its Nasacort nasal allergy spray to GSK’s Flonase. The Sanofi business maintains NAD relied on a “cookbook” approach to determine whether claims for the product are substantiated.

The competition for OTC intranasal corticosteroid market share that plays out in frequent comparative-claim advertising by NasacortAllergy 24HR and Flonase Allergy Relief continues in the industry self-regulation arena.

Sanofi’s U.S. consumer health care product business, Chattem Inc

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