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Trusted, medically reviewed health information • Not a substitute for medical advice
Important: The information provided on this website is for educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition.
Generic Name: Guaifenesin
You experience severe allergic reaction symptoms (swelling of the face, lips, tongue, or throat causing difficulty breathing), severe rash with skin peeling, sudden intense chest pain, or symptoms of overdose. Call emergency medical services immediately.
Help loosen phlegm and thin bronchial secretions
Chest congestion, cough
200-400 mg every 4 hours
100-200 mg every 4 hours (ages 6-12)
Same as adult
2400 mg/day
N/A
N/A
Nausea, vomiting, dizziness
N/A
Hypersensitivity
Not for persistent coughs like those with smoking, asthma, or emphysema
None significant
N/A
N/A
Use if benefit outweighs risk
Safety not known
Drink plenty of water
Take as soon as remembered
Symptom improvement
Content for Guaifenesin was synthesized and fact-checked against standardized regulatory monographs, official pharmacopoeias, and national health authorities:
The information provided on this website is for educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition.