A member asked:

Can a child develop a resistance to a cough medicine, that used to work but not anymore?

5 doctors weighed in across 2 answers

Yes.: Especially a cough suppressant.

Answered 4/21/2012

5.9k views

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Subjective issue: Cough is a natural protective reflex. Most if not all of these preparations have little or no beneficial effect that cannot be explained by placebo effect.

Answered 5/12/2017

699 views

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