Compare Robitussin DM vs. Mucinex D
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 congestion.
Mucinex D (Guaifenesin / Pseudoephedrine) is good if you have a stuffy nose and a cough with mucus, but it could keep you up at night.
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3.8/ 5 average rating with 1249 reviewsforMucinex D
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 D (Guaifenesin / Pseudoephedrine) is a combination medicine that relieves multiple cold symptoms. It's good to use if you have sinus and chest congestion.
- Helps loosen the mucus in your airways so that you can cough it up more easily.
- Works well to clear nasal congestion and help you breathe better.
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.
- Pseudoephedrine, the decongestant in Mucinex D (Guaifenesin / Pseudoephedrine), can make your heart race or make you feel anxious and restless.
- Doesn't work as well if you use it for more than 4 days at a time.
- Although you don't need a prescription to get Mucinex D (Guaifenesin / Pseudoephedrine), you need to show a photo ID to buy it in the drugstore.
- Mucinex D (Guaifenesin / Pseudoephedrine) isn’t useful if you have a dry cough.
Used for
Dosage forms
- Liquid
- Extended release
Price
Lowest price
$8.33
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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 review1249 reviews so far
76%
saidit'sworth it
41%
saiditworked well
7%
saidit'sa big hassle
Have you used Mucinex D (Guaifenesin / Pseudoephedrine)?
Leave a reviewSide effects
The Robitussin Dm (Guaifenesin / Dextromethorphan) FDA package insert doesn’t have numbers about how common side effects are.
The Mucinex D (Guaifenesin / Pseudoephedrine) 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
- High blood pressure
- History of high blood pressure
- Heart problems
- History of heart problems
- Age 65 years or older
- Nausea and vomiting