Compare Robitussin DM vs. Brompheniramine

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Robitussin Dm
(guaifenesin / dextromethorphan)

Ala-Hist Ir
(brompheniramine)

Breaks up mucus and relieves cough. Robitussin Dm (Guaifenesin / Dextromethorphan) is okay for loosening congestion in your chest and throat, but it could prevent you from coughing the mucus up. You have to take it more often than other guaifenesin products.Coming soon.
Reviews & ratings
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Filter group. All currently selected
5.05Robitussin DM
Reviews for Robitussin DM
75%
of people (All ages) say Robitussin DM is worth it
37%
say it works well
7%
say it's a big hassle
724 reviews
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Side effects
Robitussin DMBrompheniramine

We haven’t found good data for Robitussin DM side effects.

FDA side effect reports for Robitussin DM »

We haven’t found good data for Brompheniramine side effects.

FDA side effect reports for Brompheniramine »
How it works
Robitussin DMBrompheniramine
Robitussin Dm (Guaifenesin / Dextromethorphan) is a combination medicine. Guaifenesin is an expectorant that breaks up and thins out mucus. Dextromethorphan is a cough suppressant.Coming soon.
Type of medication
Robitussin DMBrompheniramine
Over-the-counter
Available as
Robitussin DMBrompheniramine
  • Liquid
  • Pill
  • Liquid
Used for
Robitussin DMBrompheniramine
  • Allergic Rhinitis Anaphylaxis
Risk factors for serious side effects
Robitussin DMBrompheniramine
  • Using other medications that affect serotonin
Detailed Robitussin Dm (guaifenesin / dextromethorphan) risks & warnings »
    Coming soon.
    Pregnancy

    The FDA hasn’t classified this medicine’s effects on unborn babies. Talk with your doctor about this medicine if you’re pregnant or planning on it.

    The FDA hasn’t classified this medicine’s effects on unborn babies. Talk with your doctor about this medicine if you’re pregnant or planning on it.

    Upsides and benefits
    Robitussin DMBrompheniramine
    • Robitussin Dm (Guaifenesin / Dextromethorphan) is a combination medicine that relieves multiple cold symptoms. It's good to use if you have chest congestion and a cough.
    • Helps loosen the mucus and phlegm that builds up and causes productive, wet coughs.
    Coming soon
    Downsides and risks
    Robitussin DMBrompheniramine
    • Robitussin Dm (Guaifenesin / Dextromethorphan) isn’t useful if you have a dry cough without mucus or phlegm.
    • The two medications in this product could potentially work against each other. Guaifenesin makes mucus easier to cough up, while dextromethorphan (the "DM" in Robitussin Dm (Guaifenesin / Dextromethorphan)) stops you from coughing.
    • Needs to be taken more often during the day than other products with guaifenesin, like Mucinex.
    • Can cause sleepiness, dizziness, and an upset stomach.
    Coming soon
    Tips from our pharmacists for people taking the medication
    Robitussin DMBrompheniramine
    • Drink plenty of fluids while taking Robitussin Dm (Guaifenesin / Dextromethorphan) because liquid helps break down mucus.
    • Cough suppressant starts working in 15 to 30 minutes.
    • Follow age-specific dosing instructions on how much to take. Don't take more than the recommended dose.
    • If your cough lasts more than 7 days, call your doctor.
    Coming soon
    Learn more
    More about Robitussin DMSide effectsReviews & ratingsAlternativesFDA package insert
    Have you used Robitussin Dm (guaifenesin / dextromethorphan)?
    Worth itNot sureNot worth it
    More about BrompheniramineSide effectsFDA package insert
    Have you used Ala-Hist Ir (brompheniramine)?
    Worth itNot sureNot worth it