Case Name (Date)

Yamasaki et al v. Zicam LLC and Matrixx Initiatives, Inc.
21-cv-2596, N.D. Cal.
(June 2021)


Zicam Original RapidMelts, Zicam ULTRA RapidMelts, Zicam Elderberry Citrus RapidMelts, Zicam Nasal Swabs, Zicam Nasal Spray, Zicam Wild Cherry Lozenges, and Zicam Oral Mist


Falsely advertising that products are “clinically proven to shorten colds” when there is no scientific evidence to support such claims


Dismissed When a complaint is dismissed without prejudice, an amended version of the complaint can be refiled.

Class-Action Tracker

Zicam Pre-Cold Remedies

Class Action

Zicam Pre-Cold Remedies

May 2019: The appeal was dismissed for failure to prosecute because the objector did not pay the filing fees. December 2018: An objector filed a Notice of Appeal regarding the…

Zicam Pre-Cold Medicine Products

Class Action

Zicam Pre-Cold Medicine Products

In December 2015, a class-action lawsuit was filed against Zicam for allegedly deceptively marketing Zicam Pre-Cold Medicine products – including RapidMelts, Oral Mist, Ultra Crystals, Lozenges, and Chewables – as…

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