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Gida / Magunguna A–Z / Dextromethorphan

Dextromethorphan

temporarily relieves cough due to minor throat and bronchial irritation as may occur with the common cold or inhaled irritants the impulse to cough to.

Checked against the official label · Updated

Sold without prescription in some countries Oral Safety alerts on record

How to use Dextromethorphan

What the official label says. If a doctor prescribed it, follow the prescription. Your pack's leaflet comes first if it is different.

Who it is for

Temporarily relieves cough due to minor throat and bronchial irritation as may occur with the common cold or inhaled irritants the impulse to cough to help you get to sleep

How to take it and how often
  • Shake bottle well before use measure only with dosing cup provided do not use dosing cup with other products dose as follows or as directed by a doctor mL = milliliter
  • Adults and children 12 years of age and over 10 mL every 12 hours, not to exceed 20 mL in 24 hours
  • Children 6 to under 12 years of age 5 mL every 12 hours, not to exceed 10 mL in 24 hours
  • Children 4 to under 6 years of age 2.5 mL every 12 hours, not to exceed 5 mL in 24 hours
  • Children under 4 years of age do not use
Talk to a doctor first if

chronic cough that lasts such as occurs with smoking, asthma, or emphysema cough that occurs with too much phlegm (mucus)

Warnings

Do not use if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric, or emotional conditions, or Parkinson's disease), or for 2 weeks after stopping the MAOI drug. If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product. Ask a doctor before use if you have chronic cough that lasts such as occurs with smoking, asthma, or emphysema cough that occurs with too much phlegm (mucus) Stop use and ask a doctor if cough lasts more than 7 days, comes back, or occurs with fever, rash, or headache that lasts. These could be signs of a serious condition. …

Possible side effects

Cough lasts more than 7 days, comes back, or occurs with fever, rash, or headache that lasts. These could be signs of a serious condition.

Pregnancy and breastfeeding

If pregnant or breast-feeding, ask a health professional before use.

How to store it

Each 5 mL contains: sodium 7 mg store at 20-25°C (68-77°F) dosing cup provided Keep out of reach of children.

If you miss a dose

Take it when you remember, unless it is nearly time for the next dose. Then skip the missed one. Never take two doses at once to make up for it. Check your leaflet, as some medicines are different.

From the official U.S. FDA label for this active ingredient. Your pack may have a different strength, so always read its leaflet. If a doctor prescribed it, follow the prescription. Ask a pharmacist if you are unsure. Label dated 2026-05-27.

Registered products

United States (FDA)

Nyquil Cold And Flu W/vapocool, 4ctDOXYLAMINE SUCCINATE 6.25 mg/1, ACETAMINOPHEN 325 mg/1, DEXTROMETHORPHAN HYDROBROMIDE 10 mg/1 · Tablet, Coated · Select Consumer Group
NDC 85237-1917Label
Childrens Cold And CoughBROMPHENIRAMINE MALEATE 2 mg/10mL, DEXTROMETHORPHAN HYDROBROMIDE 10 mg/10mL · Solution · Major Pharmaceuticals
NDC 0904-7531Label
Good Sense Cough DmDEXTROMETHORPHAN HYDROBROMIDE 30 mg/5mL · Suspension · L. Perrigo Company
NDC 0113-0958Label
Tylenol Cold Plus Flu Severe SevereACETAMINOPHEN 325 mg/1, DEXTROMETHORPHAN HYDROBROMIDE 10 mg/1, GUAIFENESIN 200 mg/1 · Tablet, Film Coated · Kenvue Brands LLC
NDC 50580-402Label
Dm MaximumDEXTROMETHORPHAN HYDROBROMIDE 20 mg/20mL, GUAIFENESIN 400 mg/20mL · Solution · CVS WOONSOCKET PRESCRIPTION CENTER, INCORPORATED
NDC 51316-310Label

Nigeria (NAFDAC)

NAFDACZedex D B4-6297NAFDACNocof Drops A4-1043NAFDACAsylin Drops A11-0483NAFDACFlu-Cof Tablets B4-4561NAFDACZedex Cough Syrup 04-3259NAFDACKomix Cough Syrup 04-4693NAFDACZedex Cough Syrup_ 04-3259NAFDACKofdex Cough Syrup A11-100608NAFDACVixa Daytime Caplet A4-100368NAFDACLysocyl Cough Syrup B4-7027NAFDACKlinkof Adult Syrup C4-1856NAFDACEmzolyn 4 Way Syrup_ 04-0266

Other countries: check your pack's registration number and we point you to your regulator.

Safety alerts and recalls

Kirkland Severe Cold & Flu Plus Congestion: Day - 112 coated caplets blister pack; (Acetaminophen 325mg, Dextromethorphan HBr 10 mg, Guaifenesin 200 mg, Phenylephrine HCl 5 mg); NiU.S. FDA Class II
14 Nov 2024 · LNK International, Inc. · TerminatedCGMP Deviations: Released product should have been rejected.
Guaifenesin Dextromethorphan Syrup, 100 mg/10mg per 5 mL, Major Pharmaceuticals 8401 Bearing Drive, Suite 100, Indianapolis, IN, 46268, NDC 0904-7134-70U.S. FDA Class II
7 Nov 2024 · The Harvard Drug Group LLC dba Major Pharmaceuticals and Rugby Laboratories · TerminatedFailed Impurity/Degradation Specifications
Guaifenesin Dextromethorphan Syrup, 200 mg/20mg per 10 mL, Major Pharmaceuticals 8401 Bearing Drive, Suite 100, Indianapolis, IN, 46268, NDC 0904-7135-72U.S. FDA Class II
7 Nov 2024 · The Harvard Drug Group LLC dba Major Pharmaceuticals and Rugby Laboratories · TerminatedFailed Impurity/Degradation Specifications
Adult Cough and Chest Congestion (Dextromethorphan HBr USP 20 mg, Guaifenesin USP 400mg), packaged in 4 oz bottles further package in cartons, Distributed by: Genexa Inc., AlantaU.S. FDA Class III
25 Sep 2024 · Denison Pharmaceuticals, LLC · OngoingCrystallization: Lack of uniformity - a change in texture, chunky, grainy, and small crystal substances inside the bottles.

A recall usually affects certain batches only. Compare the lot number on your pack.

Check your pack of Dextromethorphan

Type the registration number on the pack, or scan it with your camera.

Or take photos of the pack
3 free checks left today Official sources: U.S. FDA · EMA (EU) · Health Canada · WHO alerts

Questions about Dextromethorphan

What is Dextromethorphan used for?

temporarily relieves cough due to minor throat and bronchial irritation as may occur with the common cold or inhaled irritants the impulse to cough to help you get to sleep (From the official U.S. FDA label.)

How do I take Dextromethorphan?

Follow your prescription or the leaflet in your pack. The official label says: shake bottle well before use measure only with dosing cup provided do not use dosing cup with other products dose as follows or as directed by a doctor mL = milliliter adults and children 12 years of age and over 10 mL every 12 hours, not to exceed 20 mL in 24 hours children 6 to under 12 years of age 5 mL every 12 hours, not to exceed 10 mL in 24 hours children 4 to under 6 ye…

Do I need a prescription for Dextromethorphan?

In many countries Dextromethorphan is sold without a prescription in some strengths. Rules differ by country, so ask a pharmacist.

What brands contain Dextromethorphan?

Dextromethorphan is sold under names such as Cepacol Sore Throat Plus Cough, Nuedexta, Chloraseptic Sore Throat + Cough, Mielim Y Mas, Dayquil Cough, Scot-tussin Diabetic Cf, Buckley's Cough Suppressant, Cepastat Sore Throat & Cough. Brand names differ between countries.

What are the side effects of Dextromethorphan?

The official label lists: cough lasts more than 7 days, comes back, or occurs with fever, rash, or headache that lasts. These could be signs of a serious condition. Tell your doctor about any side effect that bothers you or does not go away.

Can children take Dextromethorphan?

The label gives a separate dose by age: children 12 years of age and over 10 mL every 12 hours, not to exceed 20 mL in 24 hours children 6 to under 12 years. Check the pack or ask a pharmacist.

Can I take Dextromethorphan when pregnant or breastfeeding?

If pregnant or breast-feeding, ask a health professional before use. Ask your doctor or midwife first.

How should I store Dextromethorphan?

each 5 mL contains: sodium 7 mg store at 20-25°C (68-77°F) dosing cup provided

How can I check that my Dextromethorphan is genuine?

Scan the registration number on your pack with PillVera (NAFDAC number in Nigeria, NDC in the United States, DIN in Canada), check the expiry date and buy only from licensed pharmacies.

Sources

This page shows what official sources say, in plain words. It is not medical advice: your prescription and your doctor or pharmacist come first. Brand names, strengths and rules differ between countries.