Quartuss Syrup Dosage
Generic name: dextromethorphan hydrobromide, chlorpheniramine maleate, phenylephrine hydrochloride, and guaifenesin
Dosage form: oral syrup
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Adults and Children 12 years of age or older: Two teaspoonfuls. Children 6 to 12 years of age: One teaspoonful. Dose may be repeated every 6 hours. Do not exceed four doses in a 24-hour period. This product is not indicated for use in children under 6 years of age. (see PRECAUTIONS, Pediatric Use.)