... DEXTROMETHORPHAN; GUAIFENESIN; PSEUDOEPHEDRINE (Ambenyl® D, Benylin® Multi-Symptom, Contac® Cough and Chest Cold Liquid, Maxifed® DM, Novahistine® DMX, Pertussin® AM, Rhinosyn-X®, Ru-Tuss® Expectorant, Tusnel® Pediatric and others) products are used to treat cough, especially non-productive coughs, and nasal congestion due to bronchitis, colds, or hay fever. Generic dextromethorphan, guaifenesin, and pseudoephedrine liquids are available. ...
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