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post nasal drip is causing me to gag and vomit will robitussin cf help also got a cough from the drip?

1 doctor answer
Dr. Ralph Morgan Lewis
37 years experience Family Medicine
Yes & no: 2 ingredients in Robitussin CF (cough suppressant dextromethorfan, expectorant guaifenesin) may help but the 3rd (decongestant pseudoephedrine) may keep the nose & sinuses running since it opens sinus passages. May want to use Robitussin-DM or Mucinex dm which don't have the decongestant. Antihistamine like zyrtec (cetirizine) will help stop runny nose. Possible drowsiness with these meds.
Answered on Feb 18, 2015

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Yes: I don't think you going to have any problems whoever don't take in the same time the medication.
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Robitussin (guaifenesin) cf: The medication will not affect the fetus

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