Allfen Side Effects
Generic Name: guaifenesin / potassium guaiacolsulfonate
Note: This document contains side effect information about guaifenesin / potassium guaiacolsulfonate. Some of the dosage forms listed on this page may not apply to the brand name Allfen.
Some side effects of Allfen may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.
Applies to guaifenesin / potassium guaiacolsulfonate: oral tablet extended release
Gastrointestinal side effects have included nausea, vomiting, and stomach discomfort.
Nervous system side effects have included dizziness and headache.
Dermatologic side effects have included skin rash and urticaria.
More about Allfen (guaifenesin / potassium guaiacolsulfonate)
- Other brands: Humibid LA
Compare with other treatments for:
Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.