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Guaifenesin: 7 things you should know

Medically reviewed by Carmen Pope, BPharm. Last updated on Feb 13, 2024.

1. How it works

2. Upsides

3. Downsides

If you are between the ages of 18 and 60, take no other medication or have no other medical conditions, side effects you are more likely to experience include:

Note: In general, seniors or children, people with certain medical conditions (such as liver or kidney problems, heart disease, diabetes, seizures) or people who take other medications are more at risk of developing a wider range of side effects. View complete list of side effects

4. Bottom Line

Guaifenesin is an expectorant that helps thin and remove mucus from the airways. It is generally well tolerated.

5. Tips

6. Response and effectiveness

7. Interactions

References

Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use guaifenesin only for the indication prescribed.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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