Compare Robitussin DM vs. Brompheniramine

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

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.

3.7/ 5 average rating with 724 reviewsforRobitussin DM
No information currently available
Upsides
  • 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.
No information currently available
Downsides
  • 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.
No information currently available
Used for
  • Allergic rhinitis Anaphylaxis
  • In addition to epinephrine or other standard measures; Adjunct Urticaria Urticarial transfusion reaction Vasomotor rhinitis
Dosage forms
  • Liquid
  • Pill
  • Liquid
No pricing information available
No pricing information available
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Reviews
724 reviews so far
75%
saidit'sworth it
37%
saiditworked well
7%
saidit'sa big hassle

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Side effects
The Robitussin Dm (Guaifenesin / Dextromethorphan) FDA package insert doesn’t have numbers about how common side effects are.
The Ala-Hist Ir (Brompheniramine) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Nausea and vomiting
  • Serotonin syndrome
    • Using other medications that affect serotonin
  • Cough warning
See more detailed risks and warnings
No information currently available