In Each 5 mL, 1 Teaspoon: Other Information: Each 5 ml Contains: Sodium 3 mg. Store at room temperature Ages 4+. Cough suppressant. Expectorant. Nasal decongestant. Dextromethorpan HBr. Guaifenesin. Phenylephrine HCl. Gets rid of phlegm. Quiets cough. Clears nasal congestion.