A member asked:

Does robitussin dm (guaifenesin and dextromethorphan) contain antihistamine?

A doctor has provided 1 answer
Dr. John Chiu answered

No: Just a mucus thinner and a cough suppressant. In the future, you can just google the product and ascertain the ingredients on most drug products yourself.

Answered 1/25/2021

3.5k views

Thank

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