Guaifenesin / potassium guaiacolsulfonate Side Effects

Applies to guaifenesin / potassium guaiacolsulfonate: oral tablet extended release

Gastrointestinal

Gastrointestinal side effects have included nausea, vomiting, and stomach discomfort.^[Ref]

Nervous system

Nervous system side effects have included dizziness and headache.^[Ref]

Dermatologic

Dermatologic side effects have included skin rash and urticaria.^[Ref]

Not all side effects for guaifenesin / potassium guaiacolsulfonate may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

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