Costco’s Kirkland “Non-Drowsy” Cold and Flu Products

Levi & Korsinsky, LLP is investigating potential claims against Costco relating to the presence of an ingredient known to cause drowsiness in several of its Kirkland “Non-Drowsy” cold and flu medicines.

These medicines contain Dextromethorphan hydrobromide (HBr), which may cause drowsiness. Despite that, Costco markets certain Kirkland cold and flu products as “Non-Drowsy.”

If you purchased a Kirkland-branded “Non-Drowsy” Daytime Cold and Flu product from Costco and wish to discuss your legal rights, please contact Mark Reich, Esq. ( or Courtney Maccarone, Esq. ( of Levi & Korsinsky, LLP.

To get more information regarding the investigation of Costco, without cost or obligation, please call us at 415-373-1671 or complete our contact form.

The submission of this form does not create an attorney-client relationship automatically. Any information you submit will be maintained as confidential. If Levi & Korsinsky LLP, in its sole discretion, believes that you might have a claim, Levi & Korsinsky LLP will contact you to discuss the matter and whether to establish an attorney client relationship.


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