Guaifenesindosage

12 HR guaifenesin 1200 MG Extended Release Oral Tablet [Mucinex]

Dosage and administration

Directions do not crush, chew, or break extended-release tablet take with a full glass of water this product can be administered without regard for the timing of meals adults and children 12 years of age and over: 1 extended-release tablet every 12 hours. Do not exceed 2 extended-release tablets in 24 hours. children under 12 years of age: do not use

Text above is quoted in full from the FDA-approved drug label published by openFDA, effective May 27, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.

This page reproduces regulatory text for reference. It is not medical advice, and KenyRx is not a pharmacy or a prescriber. Talk to a doctor or pharmacist about whether a medicine is right for you.

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