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Why would I take cough syrup with an expectorant and a suppressant?

Jill A. Grimes, MD
Family Medicine
Ever wonder why some cough syrups have an expectorant (guaifenisen) and a cough suppressant? Do you want to loosen it up and cough it out, or stop the cough? Well, actually, a combination of expectorant and cough suppressant is not bad. It stops the annoying little throat tickle type cough, but allows you to cough effectively to clear your lungs.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.