Over-the-counterLower-cost generic availableClass: Respiratory



Over-the-counterLower-cost generic availableClass: Respiratory
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Relieves coughing.

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Our bottom line

Delsym (Dextromethorphan) is a good option for treating dry cough. It's not safe to take with MAO inhibitors though.


  • 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.
People’s experience with Delsym

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  • 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.
How it works

Delsym (Dextromethorphan) is a cough suppressant.

People’s experience with Delsym

127reviews so far. What do you think?

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Used for
Dosage forms
  • Pill
  • Liquid extended release
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Side effect rates for Delsym (dextromethorphan)

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These are side effects of Delsym (dextromethorphan) reported to the FDA by people taking it, and by doctors and pharmacists.
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Risks and Warnings for Delsym (dextromethorphan)

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    • Higher risk if:
    • Using other medications that affect serotonin

    Serotonin syndrome is a rare but potentially life-threatening condition when there's too much serotonin in the brain. The dextromethorphan in Delsym (Dextromethorphan), when used with other medicines that affect serotonin (antidepressants, lithium, triptans, St. John's wort), increases your risk for serotonin syndrome. Symptoms include fast heart rate, sweating, muscle stiffness or spasms, fever, and confusion. Get medical attention right away if you have these symptoms.

Common concerns from people taking Delsym (dextromethorphan)

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