A member asked:

I'm wondering why are cough expectorants slow to work?

A doctor has provided 1 answer
Dr. Michael Zacharisen answered

Specializes in Allergy and Immunology

Minimally effective: Most products that are recommended for breaking up mucus, also call expectorants, are minimally effective in generally. If the dose is too high, there are GI upset side effects. If the dose is too low, they are well tolerated, but no better than placebo.

Answered 5/11/2016

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