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Cough Dm

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Active ingredient
Dextromethorphan Hydrobromide 30 mg/5 mL
Other brand names
Drug classes
Sigma-1 Agonist, Uncompetitive N-methyl-D-aspartate Receptor Antagonist
Dosage form
Suspension
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2012
Label revision date
November 1, 2025
Active ingredient
Dextromethorphan Hydrobromide 30 mg/5 mL
Other brand names
Drug classes
Sigma-1 Agonist, Uncompetitive N-methyl-D-aspartate Receptor Antagonist
Dosage form
Suspension
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 2012
Label revision date
November 1, 2025
Manufacturer
H E B
Registration number
ANDA091135
NDC root
37808-384

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Drug Overview

Cough DM is a cough suppressant that contains dextromethorphan polistirex, designed to provide temporary relief from coughing caused by minor throat and bronchial irritation, which can occur with the common cold or from inhaled irritants. This medication works by reducing the urge to cough, making it easier for you to rest and sleep, and it offers up to 12 hours of relief.

Cough DM is alcohol-free and comes in an orange-flavored liquid form, making it a convenient option for both day and night use. It is similar to the active ingredient found in Delsym® and is available in a 5 FL OZ (148 mL) bottle.

Uses

You can use this medication to temporarily relieve a cough caused by minor irritation in your throat and bronchial tubes, which can happen with the common cold or from inhaling irritants. If you're having trouble sleeping because of a persistent cough, this medication can also help reduce the urge to cough, allowing you to get a better night's rest.

Rest assured, there are no known teratogenic effects (which means it doesn't cause birth defects) associated with this medication, making it a safer option for those concerned about such risks.

Dosage and Administration

Before you use the medication, make sure to shake the bottle well. It's important to measure your dose using only the dosing cup that comes with the product, as using it with other products can lead to incorrect dosing.

For adults and children aged 12 and over, the recommended dose is 10 mL every 12 hours, but do not take more than 20 mL in a 24-hour period. If your child is between 6 and 12 years old, the dose is 5 mL every 12 hours, with a maximum of 10 mL in a day. For children aged 4 to under 6 years, the dose is 2.5 mL every 12 hours, not exceeding 5 mL in 24 hours. Please do not use this medication for children under 4 years of age. Always follow your doctor’s instructions if they provide different guidance.

What to Avoid

You should avoid using this product if you are currently taking a prescription monoamine oxidase inhibitor (MAOI), which is a type of medication used for depression, psychiatric conditions, or Parkinson’s disease. Additionally, do not use it for at least two weeks after stopping an MAOI. If you're unsure whether your medication contains an MAOI, please consult your doctor or pharmacist.

Be aware that this product contains sodium metabisulfite, which can cause allergic reactions in some individuals. If you experience any side effects, or if your cough lasts more than seven days, returns, or is accompanied by fever, rash, or headache, stop using the product and contact your doctor. These symptoms may indicate a more serious condition.

Side Effects

You should be aware that this medication contains sodium metabisulfite, which can cause allergic reactions in some people. If you experience any side effects, it's important to stop using the medication and consult your doctor. Additionally, if your cough lasts more than seven days, returns, or is accompanied by fever, rash, or a persistent headache, these could indicate a more serious health issue, and you should seek medical attention. You can report any side effects to the FDA at 1-800-FDA-1088.

Warnings and Precautions

You should not use this product if you are currently taking a prescription monoamine oxidase inhibitor (MAOI), which is a type of medication used for depression or certain other conditions, or if you have stopped taking an MAOI within the last two weeks. If you're unsure whether your medication contains an MAOI, please consult your doctor or pharmacist. Additionally, be aware that this product contains sodium metabisulfite, which can cause allergic reactions in some individuals.

Before using this product, it's important to talk to your doctor if you have a chronic cough related to smoking, asthma, or emphysema, or if your cough is accompanied by excessive mucus. You should stop using the product and contact your doctor if you experience any side effects, if your cough lasts more than seven days, or if it returns with symptoms like fever, rash, or a persistent headache, as these may indicate a more serious issue.

In the event of an overdose, seek emergency medical help immediately or contact a Poison Control Center at 1-800-222-1222.

Overdose

If you suspect an overdose, it’s crucial to seek medical help immediately or contact a Poison Control Center at 1-800-222-1222. Signs of an overdose can vary, but they may include unusual drowsiness, confusion, or difficulty breathing.

Don’t wait for symptoms to worsen; getting prompt assistance can be vital. Always keep emergency contact information handy and be aware of the signs of overdose to ensure your safety and well-being.

Pregnancy Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using this medication. They can provide guidance on whether it’s safe for you and your baby. Always prioritize your health and the health of your child by seeking expert advice.

Lactation Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using any medication. This ensures that you understand any potential risks and can make informed decisions about your health and the health of your baby. Always prioritize open communication with your doctor regarding your breastfeeding journey.

Pediatric Use

When giving this medication to children, it's important to follow the recommended dosages based on their age. For children aged 6 to under 12 years, the dosage is 5 mL every 12 hours, but you should not exceed 10 mL in a 24-hour period. For those aged 4 to under 6 years, the dosage is 2.5 mL every 12 hours, with a maximum of 5 mL in 24 hours.

Please note that this medication is not recommended for children under 4 years of age. Always consult with your child's healthcare provider if you have any questions or concerns about their treatment.

Geriatric Use

While there is no specific information available about the use of this medication in older adults, it’s important to approach any new treatment with caution. If you or a loved one is an older adult, always consult with a healthcare provider before starting a new medication. They can help assess any potential risks and ensure that the treatment is safe and appropriate for your individual health needs.

Remember, older adults may have different responses to medications, so discussing any concerns or existing health conditions with your doctor is essential for safe and effective care.

Renal Impairment

If you have kidney problems, it's important to know that the drug insert does not provide specific information about dosage adjustments, special monitoring, or safety considerations for your condition. This means that there are no tailored guidelines for how this medication should be used if you have renal impairment (kidney issues).

Always consult your healthcare provider for personalized advice and to ensure that any medication you take is safe and appropriate for your health situation. They can help determine the best course of action based on your kidney function and overall health.

Hepatic Impairment

If you have liver problems, it's important to know that the drug insert does not provide specific information about dosage adjustments, special monitoring, or precautions for your condition. This means that there are no tailored guidelines for how this medication may affect you if you have hepatic impairment (issues with liver function).

Always consult your healthcare provider for personalized advice and to discuss any concerns regarding your liver health and medication use. They can help ensure that you receive the safest and most effective treatment based on your individual needs.

Drug Interactions

It's important to be cautious when taking dextromethorphan polistirex, especially if you are also using a prescription monoamine oxidase inhibitor (MAOI), a type of medication often used for depression. You should avoid using dextromethorphan polistirex while on an MAOI or for two weeks after stopping it, as this combination can lead to serious interactions that may affect your health.

Always discuss any medications you are taking, including over-the-counter drugs, with your healthcare provider. They can help ensure that your treatments are safe and effective, and they can provide guidance tailored to your specific health needs.

Storage and Handling

To ensure the best results, store the product at a temperature between 20° to 25°C (68° to 77°F). Before using it, make sure to shake the bottle well to mix the contents thoroughly. When measuring your dose, always use the dosing cup provided, as this ensures accurate measurement. It's important not to use this dosing cup with any other products to maintain safety and effectiveness. Following these guidelines will help you use the product safely and effectively.

Additional Information

You should take this medication according to the following guidelines: For adults and children aged 12 and over, the recommended dose is 10 mL every 12 hours, with a maximum of 20 mL in 24 hours. For children aged 6 to under 12 years, the dose is 5 mL every 12 hours, not exceeding 10 mL in 24 hours. For children aged 4 to under 6 years, the dose is 2.5 mL every 12 hours, with a maximum of 5 mL in 24 hours. This medication is not recommended for children under 4 years of age.

Before using this medication, consult your doctor if you have a chronic cough related to smoking, asthma, or emphysema, or if your cough is accompanied by excessive mucus. If you are pregnant or breastfeeding, it's important to speak with a healthcare professional before use. In the event of an overdose, seek medical assistance immediately or contact a Poison Control Center at 1-800-222-1222.

FAQ

What is Cough DM?

Cough DM is a dextromethorphan polistirex extended-release oral suspension that temporarily relieves cough due to minor throat and bronchial irritation.

How does Cough DM work?

It relieves the impulse to cough, helping you get to sleep and providing relief from cough caused by the common cold or inhaled irritants.

What are the dosing instructions for adults?

Adults and children 12 years and over should take 10 mL every 12 hours, not exceeding 20 mL in 24 hours.

Can children use Cough DM?

Children 6 to under 12 years can take 5 mL every 12 hours, and those 4 to under 6 years can take 2.5 mL every 12 hours. Do not use in children under 4 years.

Are there any contraindications for using Cough DM?

Do not use if you are taking a prescription monoamine oxidase inhibitor (MAOI) or for 2 weeks after stopping an MAOI.

What should I do if I experience side effects?

Stop use and ask a doctor if side effects occur, or if your cough lasts more than 7 days or comes back with fever, rash, or headache.

Is Cough DM safe during pregnancy or breastfeeding?

If pregnant or breastfeeding, ask a health professional before use.

What should I know about allergies?

Cough DM contains sodium metabisulfite, which may cause allergic-type reactions.

How should I store Cough DM?

Store at 20° to 25°C (68° to 77°F) and shake the bottle well before use.

What should I do in case of overdose?

In case of overdose, get medical help or contact a Poison Control Center immediately at 1-800-222-1222.

Packaging Info

Below are the non-prescription pack sizes of Cough Dm (dextromethorphan polistirex). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Cough Dm.
Details

Drug Information (PDF)

This file contains official product information for Cough Dm, including active ingredients, dosage, warnings, and labeling as submitted by the manufacturer for OTC distribution.

View product document (PDF)

Description

No description information is available for the drug.

Uses and Indications

This drug is indicated for the temporary relief of cough associated with minor throat and bronchial irritation, which may occur due to the common cold or inhaled irritants. It also serves to alleviate the impulse to cough, thereby facilitating sleep.

There are no teratogenic or nonteratogenic effects associated with this drug.

Dosage and Administration

The bottle should be shaken well before use. Dosing must be measured exclusively with the dosing cup provided; the dosing cup should not be used with any other products to ensure accurate measurement.

For adults and children aged 12 years and older, the recommended dose is 10 mL every 12 hours, with a maximum of 20 mL in a 24-hour period. For children aged 6 to under 12 years, the dosage is 5 mL every 12 hours, not to exceed 10 mL in a 24-hour period. For children aged 4 to under 6 years, the appropriate dose is 2.5 mL every 12 hours, with a maximum of 5 mL in a 24-hour period. This product is not recommended for use in children under 4 years of age.

Healthcare professionals should advise patients to adhere strictly to these dosing guidelines or any alternative instructions provided by their physician.

Contraindications

Use of this product is contraindicated in patients currently taking a prescription monoamine oxidase inhibitor (MAOI) or within 2 weeks of discontinuing such medication. MAOIs are commonly prescribed for depression, psychiatric or emotional conditions, or Parkinson’s disease. Patients should consult a healthcare professional if uncertain about the presence of an MAOI in their prescription.

Additionally, this product contains sodium metabisulfite, which may cause allergic-type reactions in susceptible individuals.

Warnings and Precautions

Do not use this product if currently taking a prescription monoamine oxidase inhibitor (MAOI), which includes certain medications for depression, psychiatric or emotional conditions, or Parkinson’s disease. Use is contraindicated for a period of 2 weeks following the discontinuation of an MAOI. If there is uncertainty regarding the presence of an MAOI in a prescription medication, it is imperative to consult a healthcare professional, such as a doctor or pharmacist, prior to use.

Allergy Alert: This product contains sodium metabisulfite, a sulfite that may provoke allergic-type reactions in susceptible individuals.

Before using this product, it is advisable to consult a healthcare provider if the patient has a chronic cough associated with smoking, asthma, or emphysema, or if the cough is accompanied by excessive phlegm (mucus).

Patients should discontinue use and seek medical advice if any side effects occur. Side effects can be reported to the FDA at 1-800-FDA-1088. Additionally, if a cough persists for more than 7 days, recurs, or is accompanied by fever, rash, or headache that lasts, these symptoms may indicate a serious underlying condition requiring medical evaluation.

In the event of an overdose, immediate medical assistance should be sought, or contact a Poison Control Center at 1-800-222-1222.

Side Effects

Patients should be aware of the potential adverse reactions associated with the use of this product.

Allergic reactions may occur due to the presence of sodium metabisulfite, which is known to cause allergic-type reactions in susceptible individuals. Therefore, patients with a known allergy to sulfites should avoid using this product.

In the event that side effects occur, patients are advised to discontinue use and consult a healthcare professional. It is important to report any side effects to the FDA at 1-800-FDA-1088.

Patients should also seek medical attention if their cough persists for more than 7 days, returns after resolution, or is accompanied by fever, rash, or headache that lasts. These symptoms may indicate a serious underlying condition that requires further evaluation.

Drug Interactions

The use of dextromethorphan polistirex is contraindicated in patients who are currently taking a prescription monoamine oxidase inhibitor (MAOI) or within 2 weeks of discontinuing an MAOI. This is due to the potential for serious interactions that may arise from the combination of these medications.

No additional drug interactions or laboratory test interactions have been identified for dextromethorphan polistirex. Therefore, no specific dosage adjustments or monitoring recommendations are necessary beyond the contraindication with MAOIs.

Packaging & NDC

Below are the non-prescription pack sizes of Cough Dm (dextromethorphan polistirex). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Cough Dm.
Details

Pediatric Use

Pediatric patients aged 6 to under 12 years may be administered 5 mL every 12 hours, with a maximum dosage of 10 mL in a 24-hour period. For children aged 4 to under 6 years, the recommended dosage is 2.5 mL every 12 hours, not to exceed 5 mL in 24 hours. The use of this medication is not recommended for children under 4 years of age.

Geriatric Use

There is no specific information regarding the use of this medication in geriatric patients, including dosage adjustments, safety concerns, or special precautions. Healthcare providers should exercise caution when prescribing this medication to elderly patients, as individual responses may vary. It is advisable to monitor these patients closely for any adverse effects or changes in efficacy.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional prior to using this medication. The potential risks and benefits must be carefully weighed, as the effects on fetal outcomes and lactation are not fully established. It is essential for women of childbearing potential to seek medical advice to ensure safe use during pregnancy and lactation.

Lactation

Lactating mothers are advised to consult a health professional prior to using this medication. There is currently no available data regarding the excretion of this drug in human breast milk or its effects on breastfed infants. Therefore, caution is recommended when administering this medication to lactating individuals.

Renal Impairment

Patients with renal impairment have not been specifically addressed in the drug insert regarding dosage adjustments, special monitoring, or safety considerations. Therefore, healthcare professionals should exercise caution when prescribing this medication to individuals with reduced kidney function, as the absence of detailed guidance necessitates careful clinical judgment. Regular monitoring of renal function may be advisable in these patients to ensure safety and efficacy.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in relation to this medication. Consequently, there are no established dosage adjustments, special monitoring requirements, or precautions outlined for individuals with compromised liver function. It is recommended that healthcare providers exercise caution when prescribing this medication to patients with hepatic impairment, given the lack of data on its safety and efficacy in this population. Regular monitoring of liver function may be prudent in these cases, although specific parameters are not defined in the prescribing information.

Overdosage

In the event of an overdose, it is imperative to seek immediate medical assistance or contact a Poison Control Center without delay. The national Poison Control Center can be reached at 1-800-222-1222.

Healthcare professionals should be aware that timely intervention is crucial in managing overdose situations. Symptoms of overdose may vary depending on the substance involved, and it is essential to monitor the patient closely for any signs of adverse reactions.

Management of an overdose typically involves supportive care and symptomatic treatment. Healthcare providers should assess the patient's condition, including vital signs and level of consciousness, and initiate appropriate interventions based on the clinical presentation.

In summary, prompt action and appropriate medical response are vital in the management of overdose cases to mitigate potential complications and ensure patient safety.

Nonclinical Toxicology

If pregnant or breastfeeding, it is advised to consult a health professional prior to use. The product contains sodium metabisulfite, which is a sulfite that may lead to allergic-type reactions in susceptible individuals. No additional relevant information regarding nonclinical toxicology or animal pharmacology and toxicology has been extracted.

Postmarketing Experience

Postmarketing experience has identified that side effects may occur with the use of the product. Healthcare professionals and patients are encouraged to report any adverse events to the FDA at 1-800-FDA-1088.

Additionally, it has been noted that a cough persisting for more than 7 days, a recurrent cough, or a cough accompanied by fever, rash, or headache may indicate the presence of a serious underlying condition.

Patient Counseling

Healthcare providers should advise patients to seek immediate medical assistance or contact a Poison Control Center at 1-800-222-1222 in the event of an overdose. It is crucial to inform patients that this product should not be used concurrently with prescription monoamine oxidase inhibitors (MAOIs), which are medications prescribed for depression, psychiatric or emotional conditions, or Parkinson’s disease. Patients should also be cautioned against using this product for at least two weeks after discontinuing an MAOI. If patients are uncertain whether their prescription medication contains an MAOI, they should be encouraged to consult with their doctor or pharmacist.

Providers should alert patients to the presence of sodium metabisulfite in the formulation, which may trigger allergic-type reactions in susceptible individuals. Patients must be instructed to discontinue use and consult a doctor if they experience any side effects. Additionally, they should be informed that side effects can be reported to the FDA at 1-800-FDA-1088.

Patients should be advised to stop using the product and seek medical advice if their cough persists for more than seven days, recurs, or is accompanied by fever, rash, or a headache that lasts, as these symptoms may indicate a serious condition. It is also important for healthcare providers to recommend that patients consult a doctor before using this product if they have a chronic cough associated with smoking, asthma, or emphysema, or if their cough is accompanied by excessive phlegm (mucus).

Storage and Handling

The product is supplied in a bottle that requires careful handling and storage to maintain its efficacy. It should be stored at a temperature range of 20° to 25°C (68° to 77°F). Prior to use, the bottle must be shaken well to ensure proper mixing of the contents.

For accurate dosing, it is essential to measure only with the dosing cup provided with the product. The dosing cup should not be used with any other products to prevent cross-contamination and ensure precise dosing.

Additional Clinical Information

Patients aged 12 years and older are advised to administer 10 mL every 12 hours, with a maximum of 20 mL in a 24-hour period. For children aged 6 to under 12 years, the recommended dosage is 5 mL every 12 hours, not exceeding 10 mL in 24 hours. Children aged 4 to under 6 years should receive 2.5 mL every 12 hours, with a maximum of 5 mL in 24 hours. The medication is not recommended for children under 4 years of age.

Clinicians should counsel patients to consult a doctor before use if they have a chronic cough associated with smoking, asthma, or emphysema, or if the cough is accompanied by excessive phlegm. Pregnant or breastfeeding patients should seek advice from a health professional prior to use. In the event of an overdose, immediate medical assistance should be sought, or the Poison Control Center should be contacted at 1-800-222-1222.

Drug Information (PDF)

This file contains official product information for Cough Dm, including active ingredients, dosage, warnings, and labeling as submitted by the manufacturer for OTC distribution.

View product document (PDF)

Data Generation & Sources

This page was automatically generated and is maintained by the AllDrugs AI Data-Science Team. It was built from the FDA Structured Product Label (DailyMed) for Cough Dm, retrieved by a validated AI data-extraction workflow.

All FDA-listed dosage forms and strengths are shown in the Packaging & NDC Codes section above. Regulatory status appears in the Summary Information panel above and was verified in the FDA National Drug Code directory and the NSDE NDC Directory daily file.

Note: an automated daemon monitors NSDE checksums; when the record for this NDC changes, the new file is pulled instantly and this page is refreshed.

No human clinician has reviewed this version.

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Medical disclaimer: This AI-generated content is provided for educational purposes only and does not constitute medical advice. Always consult a licensed healthcare professional for diagnosis or treatment decisions.