Over-the-counterLower-cost generic available

Robitussin Nighttime Cough Dm

(Dextromethorphan / Doxylamine)

  • Liquid
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Relieves cough and helps you sleep.

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Over-the-counterLower-cost generic available

Our pharmacists’ bottom line

Robitussin Nighttime Cough Dm (Dextromethorphan / Doxylamine) can help you get a good night's sleep and stop coughing, but you can have a hard time waking up if you don't give yourself enough time to sleep.

  • Robitussin Nighttime Cough Dm (Dextromethorphan / Doxylamine) is a combination medicine that relieves multiple cold symptoms. It's good to use if you have watery eyes, sneezing, and a cough.
  • The antihistamine (doxylamine) helps you fall asleep and doesn't make you feel groggy the next morning.
  • The cough medicine (dextromethorphan) works well and has very few side effects.
  • Can be used for people 12 years and older.
  • Shouldn't be used unless you have a full night to sleep.
  • You shouldn't drive after taking it until you know how it affects you.
  • Drinking alcohol while taking this medicine isn't recommended.
  • It can increase the risk of falls, so elderly people shouldn't use Robitussin Nighttime Cough Dm (Dextromethorphan / Doxylamine).
  • Can't use 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.
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Side effects for Robitussin Nighttime Cough Dm (Dextromethorphan / Doxylamine)

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These are side effects of Robitussin Nighttime Cough Dm (Dextromethorphan / Doxylamine) reported to the FDA by people taking it, and by doctors and pharmacists.

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What to expect when you take Robitussin Nighttime Cough Dm (Dextromethorphan / Doxylamine)

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Tips from our pharmacists
  • Doxylamine, the antihistamine ingredient, makes you tired so take it before you go to sleep.
  • Dextromethorphan, the cough suppressant ingredient, starts working in 15 to 30 minutes.
  • Don't take it with alcohol or other drugs that make you sleepy.
  • Follow age-specific dosing instructions on how much to take. Don't take more than the recommended dose.
  • If you get the liquid form, use the dosing cup to measure the exact amount of medicine you need.
  • If your cough lasts more than 7 days, talk with your doctor. A different medication might work better for you.

Tips from pharmacists and people taking Robitussin Nighttime Cough Dm (Dextromethorphan / Doxylamine)

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The FDA category for this medication is N. It is advised that you: Unknown
Pregnancy
Alcohol
  • Upsides and downsides from our pharmacists
  • Drinking alcohol while taking this medicine isn't recommended.
  • Tips from our pharmacists
  • Don't take it with alcohol or other drugs that make you sleepy.
Sleep
  • Upsides and downsides from our pharmacists
  • Shouldn't be used unless you have a full night to sleep.
  • Tips from our pharmacists
  • Doxylamine, the antihistamine ingredient, makes you tired so take it before you go to sleep.