None: None of the currently available Zicam products described on their corporate website lists dextromethorphan as an ingredient. You can check at www.Zicam.Com.
Answered 4/8/2015
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None: Zicam is common cold prevention remedy in usa and the newer formulation contains about 6 mg of dextromerthorphan which is a rather small dose. It contains zinc and i-cam which prevents colds by binding with the same receptor where rhinovirus that is common cold virus sits to infect.
Answered 9/28/2016
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