Over-the-counterLower-cost generic available

Delsym Alternatives

(Dextromethorphan)

  • Pill
  • Liquid extended release
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Compare Delsym (Dextromethorphan) to alternatives

These medications are comparable to Delsym (Dextromethorphan) or used for similar purposes.

Delsym
(Dextromethorphan)

Mucinex
(Guaifenesin)

Mucinex D
(Guaifenesin / Pseudoephedrine)

Robitussin Dm
(Guaifenesin / Dextromethorphan)

Relieves coughing. Delsym (Dextromethorphan) is a good option for treating dry cough. It's not safe to take with MAO inhibitors though.Breaks up mucus that causes cough. Mucinex (Guaifenesin) is a useful medicine for loosening congestion in your chest and throat, and it lasts longer than other guaifenesin products.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.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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Reviews & ratings
Button Group. All currently active
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4.487394957983193Delsym
Reviews for Delsym (Dextromethorphan)
64%
of people say Delsym (Dextromethorphan) is worth it
31%
say it works well
12%
say it's a big hassle
Reviews for Mucinex (Guaifenesin)
78%
+14% vs. Delsym (Dextromethorphan)
47%
+16% vs. Delsym (Dextromethorphan)
7%
+5% vs. Delsym (Dextromethorphan)
Reviews for Mucinex D (Guaifenesin / Pseudoephedrine)
76%
+12% vs. Delsym (Dextromethorphan)
41%
+10% vs. Delsym (Dextromethorphan)
7%
+5% vs. Delsym (Dextromethorphan)
Reviews for Robitussin Dm (Guaifenesin / Dextromethorphan)
75%
+11% vs. Delsym (Dextromethorphan)
37%
+6% vs. Delsym (Dextromethorphan)
7%
+5% vs. Delsym (Dextromethorphan)
Side effects
DelsymMucinexMucinex DRobitussin DM

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

FDA side effect reports for Delsym »

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

FDA side effect reports for Mucinex »

We haven’t found good data for Mucinex D side effects.

FDA side effect reports for Mucinex D »

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

FDA side effect reports for Robitussin DM »
How it works
DelsymMucinexMucinex DRobitussin DM
Delsym (Dextromethorphan) is a cough suppressant.Mucinex (Guaifenesin) is an expectorant. It contains guaifenesin, which thins and loosens mucus, making it easier to cough out.Mucinex D (Guaifenesin / Pseudoephedrine) is a combination medicine. Guaifenesin (an expectorant) breaks up and thins out mucus. Pseudoephedrine (a decongestant) clears your sinuses.Robitussin Dm (Guaifenesin / Dextromethorphan) is a combination medicine. Guaifenesin is an expectorant that breaks up and thins out mucus. Dextromethorphan is a cough suppressant.
Type of medication
DelsymMucinexMucinex DRobitussin DM
Cough suppressantOver-the-counter
ExpectorantOver-the-counter
ExpectorantDecongestantOver-the-counter
ExpectorantCough suppressantOver-the-counter
Available as
DelsymMucinexMucinex DRobitussin DM
  • Pill
  • Liquid extended release
  • Extended release
  • Liquid
  • Extended release
  • Liquid
Used for (click to learn more)
DelsymMucinexMucinex DRobitussin DM
Risk factors for serious side effects
DelsymMucinexMucinex DRobitussin DM
  • Using other medications that affect serotonin
Detailed Delsym (Dextromethorphan) risks & warnings »
Coming soon.Coming soon.Coming soon.
Pregnancy category
DelsymMucinexMucinex DRobitussin DM
NFDA pregnancy category (Unknown)

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.

See the FDA package insert
NFDA pregnancy category (Unknown)

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.

See the FDA package insert
NFDA pregnancy category (Unknown)

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.

See the FDA package insert
NFDA pregnancy category (Unknown)

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.

See the FDA package insert
Alcohol
No specific alcohol-related info.
  • Mucinex (Guaifenesin) is alcohol- and sugar-free.
No specific alcohol-related info.No specific alcohol-related info.
Food
No specific food-related info.No specific food-related info.No specific food-related info.No specific food-related info.
Kidneys and liver
No specific kidneys and liver-related info.No specific kidneys and liver-related info.No specific kidneys and liver-related info.No specific kidneys and liver-related info.
Sex
No specific sex-related info.No specific sex-related info.No specific sex-related info.No specific sex-related info.
Sleep
No specific sleep-related info.No specific sleep-related info.No specific sleep-related info.No specific sleep-related info.
Weight
No specific weight-related info.No specific weight-related info.No specific weight-related info.No specific weight-related info.
Upsides and benefits
DelsymMucinexMucinex DRobitussin DM
  • Good for treating dry cough.
  • Available in drugstores either by itself or in combination with other medications to treat cold and allergy symptoms.
  • Available as a liquid and a tablet.
  • Some products relieve cough for up to 12 hours.
  • Mucinex (Guaifenesin) reduces the thickness and amount of mucus in your throat and chest.
  • Lasts longer than some other products that contain guaifenesin, such as Robitussin, because it's an extended-release form.
  • It’s available at the drugstore either by itself or in combination with other medications to treat cold and flu symptoms.
  • Available in liquid and tablet forms.
  • Mucinex (Guaifenesin) is alcohol- and sugar-free.
  • 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.
  • 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 and risks
DelsymMucinexMucinex DRobitussin DM
  • Can't take dextromethorphan if you're taking MAO inhibitors (drugs used to treat Parkinson's disease, depression, and other emotional conditions). If taken together, they will cause dangerously high blood pressure levels.
  • If you're taking this in combination with other cold and allergy medications, you should read labels closely to make sure you're not accidentally taking too much of a single ingredient.
  • Mucinex (Guaifenesin) is more expensive than other medications that treat congestion.
  • You need to drink a lot of fluids while taking this medication or it won't work as well.
  • Mucinex (Guaifenesin) isn’t useful if you have a dry cough.
  • Can cause nausea, headache, 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.
  • 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.
Tips from our pharmacists for people taking the medication
DelsymMucinexMucinex DRobitussin DM
  • 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.
  • Drink plenty of fluids while taking Mucinex (Guaifenesin) because liquid helps break down mucus.
  • Steam from a humidifier, cool mist vaporizer, or hot shower can also help add moisture to your airways.
  • Follow age-specific dosing instructions on how much to take.
  • Mucinex (Guaifenesin) only works for coughs with mucus, so don't use it if you have a dry cough.
  • If your cough lasts more than 7 days, call your doctor.
  • Drink plenty of fluids while taking Mucinex D (Guaifenesin / Pseudoephedrine) because liquid helps break down mucus.
  • You need to show an ID to buy Mucinex D (Guaifenesin / Pseudoephedrine) in the drugstore because it contains pseudoephedrine.
  • Don't take Mucinex D (Guaifenesin / Pseudoephedrine) too close to bedtime since it can keep you awake.
  • Can cause an irregular or fast heartbeat, and can raise your blood pressure.
  • Follow age-specific dosing instructions on how much to take. Don't take more than the recommended dose.
  • 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.
Learn more
More about DelsymSide effectsReviews & ratingsAlternativesFDA package insert
More about MucinexSide effectsReviews & ratingsFDA package insert
More about Mucinex DSide effectsReviews & ratingsFDA package insert
More about Robitussin DMSide effectsReviews & ratingsFDA package insert