Guaifenex LA Side Effects
Generic name: guaifenesin
Note: This document contains side effect information about guaifenesin. Some of the dosage forms listed on this page may not apply to the brand name Guaifenex LA.
Some side effects of Guaifenex LA may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.
For the Consumer
Applies to guaifenesin: oral capsule, oral capsule extended release, oral elixir, oral liquid, oral packet, oral solution, oral syrup, oral tablet, oral tablet extended release
Along with its needed effects, guaifenesin (the active ingredient contained in Guaifenex LA) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Some side effects of guaifenesin may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:Less common or rare
- nausea or vomiting
- skin rash
- stomach pain
For Healthcare Professionals
Applies to guaifenesin: compounding powder, oral capsule, oral capsule extended release, oral granule, oral liquid, oral solution, oral tablet, oral tablet extended release
Guaifenesin (the active ingredient contained in Guaifenex LA) has been generally well tolerated.
Gastrointestinal side effects have included stomach upset and vomiting with higher than recommended doses. Doses recommended for expectoration have rarely been associated with gastrointestinal upset.
Nervous system side effects have occasionally included dizziness and headache.
Dermatologic side effects have included rare reports of rash.
Hypersensitivity side effects have included a report of an anaphylactic reaction.
More Guaifenex LA resources
- Guaifenex LA Advanced Consumer (Micromedex) - Includes Dosage Information
- Allfen MedFacts Consumer Leaflet (Wolters Kluwer)
- Guaifenesin Monograph (AHFS DI)
- Guaifenesin NR Prescribing Information (FDA)
- Hytuss immediate-release capsules MedFacts Consumer Leaflet (Wolters Kluwer)
- Mucinex Prescribing Information (FDA)
- Mucinex sustained-release tablets MedFacts Consumer Leaflet (Wolters Kluwer)
- Mucinex Consumer Overview
- Organidin NR Prescribing Information (FDA)
- Tussin Consumer Overview
- guaifenesin granules MedFacts Consumer Leaflet (Wolters Kluwer)
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