Perrigo readies store-brand Mucinex DM Maximum Strength

DUBLIN, Ireland — Perrigo Co. has been cleared by the Food and Drug Administration to market over-the-counter guaifenesin and dextromethorphan hydrobromide extended-release tablets 1200 mg/60 mg, an expectorant and cough suppressant. Perrigo said Wednesday that its guaifenesin and dextromethorphan ER tablets are an OTC generic version of Mucinex DM Maximum Strength tablets from Reckitt Benckiser. Plans call