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A member asked:

What are the differences between cf and dm in cough medicine?

A doctor has provided 1 answer

Cough medicines : Cough medicines such as Robitussin have a "cf"(For chest congestion - it has guaifenesin which is an expectorant) formula and a"dm"(For dextronethorphan, which is a cough suppressant) formula people use the cf for chesty cough and "dm" for dry, hacking cough.

Dr Goldenberg agreed

Answered 12/2/2020

3.5k views

Thank

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