Pill imprint AZ 345 has been identified as Dextromethorphan and Guaifenesin 20 mg / 400 mg manufactured by A&Z Pharmaceutical Inc.
It is an over-the-counter cough suppressant and expectorant combination used to settle dry coughs and loosen phlegm. It is a store brand equivalent of Mucinex DM.
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Posted 8 Aug 2013 • 1 answer