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Full FDA prescribing details for healthcare professionals.

Last updated · May 25, 2026Source: DailyMed ↗

Highlights of Prescribing InformationRevised: Nov 13, 2025

GUAIFENESIN 200 MG TABLETS

Marlex Pharmaceuticals, Inc.

Drug Fact

Indications and Usage

helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageway of bothersome mucus and make coughs more productive

Dosage and Administration

Do not take more than 6 doses in any 24-hour period.
This product is not intended for use in children under 12 years of age
Adults & children 12 years and over: 1 to 2 tablets every 4 hours
Children under 12 years: do not use

Sources

RxCUI: 197741

NDC: 422910313

Last fetched: May 25, 2026

Source: DailyMed ↗

⚠️ Disclaimer

This information is for educational purposes only and is not medical advice. Always consult your doctor, pharmacist, or other licensed healthcare professional before starting, stopping, or changing any medicine. Read full medical disclaimer.