Compare Robitussin DM vs. Mucinex DM
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.
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3.7/ 5 average rating with 724 reviewsforRobitussin DM
Breaks up mucus and relieves cough.
Mucinex Dm (Dextromethorphan / Guaifenesin) is okay for loosening congestion in your chest and throat, but it could prevent you from coughing the mucus up. It comes as an extended-release tablet and a short-acting liquid.
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3.9/ 5 average rating with 15 reviewsforMucinex DM
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.
- Mucinex Dm (Dextromethorphan / Guaifenesin) 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 in productive and wet coughs.
- The extended release version of Mucinex DM lasts up to 12 hours.
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.
- Mucinex Dm (Dextromethorphan / Guaifenesin) 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 Mucinex Dm (Dextromethorphan / Guaifenesin)) stops you from coughing.
- Can cause sleepiness, dizziness, and an upset stomach.
Used for
Dosage forms
- Liquid
- Pill
- Extended release
- Liquid
Price
Lowest price
$8.33
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$13.00
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Reviews
724 reviews so far
75%
saidit'sworth it
37%
saiditworked well
7%
saidit'sa big hassle
Have you used Robitussin Dm (Guaifenesin / Dextromethorphan)?
Leave a review15 reviews so far
73%
saidit'sworth it
73%
saiditworked well
13%
saidit'sa big hassle
Have you used Mucinex Dm (Dextromethorphan / Guaifenesin)?
Leave a reviewSide effects
The Robitussin Dm (Guaifenesin / Dextromethorphan) FDA package insert doesn’t have numbers about how common side effects are.
The Mucinex Dm (Dextromethorphan / Guaifenesin) 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
- Nausea and vomiting
- Serotonin syndrome
- Using other medications that affect serotonin
- Cough warning