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Doctor insights on: Robitussin Ac Dosage

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I got pneumonia and doctor prescribed me robitussin ac but not working much. Is it ok if I switched to Robitussin Dm (guaifenesin and dextromethorphan). What is the difference in dm n a?

I got pneumonia and doctor prescribed me robitussin ac but not working much. Is it ok if I switched to Robitussin Dm (guaifenesin and dextromethorphan). What is the difference in dm n a?

DM has: dextromethorphan which is a cough suppressant. AC just means there is codeine included, a narcotic suppressant. Pneumonia needs to be treated with antibiotics and expectorant, along with anti-inflammatory medicines. You can take the DM but it is unlikely to be more effective than with codeine. You can try a formulation with Hydrocodone like Tussionex or TussiCaps. ...Read more

Dr. Robert Cloutier
218 doctors shared insights

Guaifenesin (Definition)

Guaifenesin is a cough suppressant which is a kind of antihistamine type drug (common ...Read more


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Was diagnosed with severe bronchitis. Is it safe to take Robitussin (guaifenesin) AC at 34 weeks gestation? Dosage is 2tsp every 6 hours as needed.

Was diagnosed with severe bronchitis. Is it safe to take Robitussin (guaifenesin) AC at 34 weeks gestation? Dosage is 2tsp every 6 hours as needed.

NOT recommended: Robitussinac contains category c drugs: Codeine and guaifenesin. However, like other narcotics, Codeine rapidly crosses the placenta. Neonatal Codeine withdrawal has occurred even in infants whose mothers were taking Codeine at cough suppressant doses for as little as ten days prior to delivery. There are no controlled data in human pregnancy. Just plain robitussin or +dm is better. Get well soon. ...Read more

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I accidentally took a double dose of hydrometer cough medicine thinking it was my regular robitussin (guaifenesin). What should I do?

I accidentally took a double dose of hydrometer cough medicine thinking it was my regular robitussin (guaifenesin). What should I do?

2 much Cough Syrup: Larry, Do not take anymore cough medication for a period of 24 hours. If you develop high fever, visual problems, rapid heart rate, excessive sweating, nausea, vomiting; have a friend or relative take you into the Emergency Department for immediate evaluation. ...Read more

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I just used a dose of Robitussin (DM) without reading the "do not use" portion, should I be nervous since I take 100mg Sertraline?

I just used a dose of Robitussin (DM) without reading the "do not use" portion, should I be nervous since I take 100mg Sertraline?

No you shouldn't be: nervous, just don't take any extra Robitussin DM, the problem is with the DM part which interacts with Sertraline. The Dextromethorphan (DM), will be cleared off your system in about 12 hours, the Sertraline lingers much more, you will be fine, best wishes ...Read more

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What would happen if you drank alcohol after taking a dose of either nyquil, robitussin, Mucinex (guaifenesin) dm?

What would happen if you drank alcohol after taking a dose of either nyquil, robitussin, Mucinex (guaifenesin) dm?

NyQuil and some: Robitussins (guaifenesin) contain alcohol, so you are starting off with alcohol in your system. This will mean that you will get more "drunk" faster. Not a good idea. ...Read more

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Is it safe to take prescribed Robitussin (guaifenesin) AC at 34 weeks gestation ?

Is it safe to take prescribed Robitussin (guaifenesin) AC at 34 weeks gestation ?

Catergory C but..: Robitussinac contains category c drugs: Codeine and guaifenesin. However, like other narcotics, Codeine rapidly crosses the placenta. Neonatal Codeine withdrawal has occurred even in infants whose mothers were taking Codeine at cough suppressant doses for as little as ten days prior to delivery. There are no controlled data in human pregnancy. Just plain robitussin or +dm is better. Get well soon. ...Read more

Dr. Ralph Wharton
205 doctors shared insights

Robitussin (Definition)

Robitussin is a cough suppressant which is a kind of antihistamine type drug (common ...Read more


Antitussive (Definition)

This is a medicine that is supposed ...Read more