Compare Robitussin vs. Robitussin DM
Head-to-head comparisons of medication uses, side effects, ratings, and more.
Breaks up mucus that causes cough.
Robitussin (Guaifenesin) is a useful medicine for loosening congestion in your chest and throat, but it doesn't last as long as other guaifenesin products.
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
Upsides
- Robitussin (Guaifenesin) reduces the thickness and amount of mucus in your throat and chest.
- It’s available at the drugstore either by itself or in combination with other medications to treat cold and flu symptoms.
- Available in multiple forms.
- Can be used in children 12 years and older.
- 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.
Downsides
- Robitussin (Guaifenesin) doesn't last as long as other products that contain guaifenesin. Mucinex's extended release form lasts 12 hours and Robitussin (Guaifenesin)'s lasts 8 hours.
- You need to drink a lot of fluids while taking this medication or it won't work as well.
- Robitussin (Guaifenesin) isn’t useful if you have a dry cough.
- Can cause nausea, headache, and an upset stomach.
- 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.
Used for
Dosage forms
- Liquid
- Liquid
Price
No pricing information available
Lowest price
$8.33
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Reviews
Not enough review data.Leave a review
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 reviewSide effects
The Robitussin (Guaifenesin) FDA package insert doesn’t have numbers about how common side effects are.
The Robitussin Dm (Guaifenesin / Dextromethorphan) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
- Nausea and vomiting
- Nausea and vomiting
- Serotonin syndrome
- Using other medications that affect serotonin
- Cough warning