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  1. Guaifenesin Uses, Dosage & Side Effects - Drugs.com

    May 6, 2025 · Guaifenesin is an ingredient in cough and cold medicines that is used to help clear mucus or phlegm from your chest when you have had a cold or flu. Guaifenesin works by …

  2. Guaifenesin (oral route) - Side effects & dosage

    Feb 1, 2025 · Guaifenesin is used to help clear mucus or phlegm (pronounced flem) from the chest when you have congestion from a cold or flu. It works by thinning the mucus or phlegm …

  3. Guaifenesin: Side Effects, Uses, Dosage, Interactions, Warnings

    Guaifenesin is used to treat coughs and congestion caused by the common cold, bronchitis, and other breathing illnesses. Learn about side effects, drug interactions, dosages, warnings, and …

  4. Guaifenesin (Mucinex, Robitussin, and others) - WebMD

    Apr 15, 2025 · Find patient medical information for Guaifenesin (Mucinex, Robitussin, and others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and …

  5. Guaifenesin (Mucinex) Dosage Guide for Adults and Kids - GoodRx

    Nov 18, 2025 · A common immediate-release guaifenesin dosage for adults is 200 mg to 400 mg by mouth every 4 hours as needed. A common extended-release guaifenesin dosage is 600 …

  6. CVS Mucus and Chest Congestion Extended Release Guaifenesin ...

    Shop CVS Mucus and Chest Congestion Extended Release Guaifenesin 600mg Tablets, 20 CT at CVS Pharmacy and enjoy free shipping on all eligible orders.

  7. guaifenesin ER 600 mg tablet, extended release 12 hr

    Guaifenesin is available in both prescription and nonprescription products. Check the labels of all your medications to make sure you are not taking more than one product containing guaifenesin.

  8. Guaifenesin: uses, dosing, warnings, adverse events, interactions

    The usual dosage of guaifenesin 600-mg extended-release tablets as an expectorant in adults and children 12 years of age and older is 600 mg or 1.2 g every 12 hours, not to exceed 2.4 g …

  9. Guaifenesin Extended-Release Tablets 600 mg - DailyMed

    adults and children 12 years of age and over: 1 or 2 tablets every 12 hours. Do not exceed 4 tablets in 24 hours. QUESTIONS OR COMMENTS? You may also report side effects to this …

  10. Guaifenesin Dosage Guide + Max Dose, Adjustments - Drugs.com

    Dec 4, 2025 · Detailed Guaifenesin dosage information for adults and children. Includes dosages for Cough; plus renal, liver and dialysis adjustments.