ADD CONDITION

items per page

Cough Dm

Last content change checked dailysee data sync status

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 2014
Label revision date
September 26, 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 2014
Label revision date
September 26, 2025
Manufacturer
Publix Super Markets Inc
Registration number
ANDA091135
NDC root
56062-384

If you are a healthcare professional or from the pharmaceutical industry please visit this version.

If you are a consumer or patient please visit this version.

Drug Overview

DEXTROMETHORPHAN POLISTIREX EXTENDED-RELEASE ORAL SUSPENSION is a cough suppressant 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 orange-flavored liquid formulation offers up to 12 hours of relief, making it suitable for use both day and night, and it can help you manage the urge to cough, allowing for a more restful sleep.

This medication is alcohol-free and is comparable to the active ingredient found in Delsym®. It is important to note that it contains sodium metabisulfite, which may cause allergic-type reactions in some individuals.

Uses

If you're dealing with a cough caused by minor throat and bronchial irritation, such as what you might experience with a common cold or from inhaling irritants, this medication can help. It works by temporarily relieving your cough, making it easier for you to go about your day.

Additionally, if you're struggling to sleep because of a persistent cough, this medication can also help reduce the urge to cough, allowing you to rest more comfortably.

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 older, the recommended dose is 10 mL every 12 hours, but you should 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 or emotional 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 prescription includes an MAOI, please consult your doctor or pharmacist before using this product.

It's also important to note that this product contains sodium metabisulfite, which can cause allergic reactions in some individuals. Always prioritize your safety and well-being by following these guidelines.

Side Effects

You should be aware that this medication contains sodium metabisulfite, which can cause allergic reactions in some individuals. 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 7 days, returns, or is accompanied by fever, rash, or a persistent headache, these could be signs of a more serious condition, and you should seek medical attention. You can also 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. If you experience any side effects, or if your cough lasts more than seven days, returns, or is accompanied by fever, rash, or a persistent headache, stop using the product and contact your doctor. These symptoms could indicate a more serious condition.

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 the safety of others.

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 it comes to giving this medication to children, it's important to follow the recommended dosages based on their age. For children aged 12 years and older, the dosage is 10 mL every 12 hours, with a maximum of 20 mL in a 24-hour period. For those between 6 and under 12 years, the dosage is 5 mL every 12 hours, not exceeding 10 mL in a day. If your child is between 4 and under 6 years old, they should receive 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 ensure you are measuring the dosage accurately and consult your healthcare provider if you have any questions or concerns about using this medication for your child.

Geriatric Use

When it comes to using this medication in older adults, there is no specific information available about dosage adjustments, safety concerns, or special precautions. This means that if you or a loved one is an older adult considering this medication, it’s important to consult with a healthcare provider. They can help determine the best approach based on individual health needs and any other medications being taken. Always prioritize open communication with your healthcare team to ensure safe and effective treatment.

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 should be used if you have hepatic impairment (issues with liver function).

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

Drug Interactions

It's important to have open conversations with your healthcare provider about any medications or tests you may be taking. Currently, there are no specific drug interactions or laboratory test interactions noted for this medication. However, every individual is different, and your healthcare provider can help ensure that your treatment is safe and effective based on your unique health needs. Always feel free to ask questions and share all the medications and supplements you are using to avoid any potential issues.

Storage and Handling

To ensure the best results, store the product at a temperature between 68° to 77°F (20° to 25°C). Before using, make sure to shake the bottle well to mix the contents thoroughly. When measuring your dose, always use the dosing cup provided, as it is specifically designed for this product. Avoid using this dosing cup with any other products to maintain safety and accuracy. Following these guidelines will help you use the product effectively and safely.

Additional Information

You should take this medication orally. It's important to be aware that it contains sodium metabisulfite, which can cause allergic reactions in some people. If you are pregnant or breastfeeding, consult a healthcare professional before using this medication. In the event of an overdose, seek medical assistance immediately or contact a Poison Control Center at 1-800-222-1222.

FAQ

What is Dextromethorphan Polistirex Extended-Release Oral Suspension used for?

It is a cough suppressant that temporarily relieves cough due to minor throat and bronchial irritation, helping you get to sleep.

How should I take Dextromethorphan Polistirex?

Shake the bottle well before use and measure with the dosing cup provided. Adults and children 12 years and over should take 10 mL every 12 hours, not exceeding 20 mL in 24 hours.

Are there any contraindications for using this medication?

Do not use if you are currently 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. You can report side effects to the FDA at 1-800-FDA-1088.

Is it safe to use Dextromethorphan Polistirex if I am pregnant or breastfeeding?

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

What are the storage instructions for this medication?

Store at 68° to 77°F (20° to 25°C).

What should I do in case of an overdose?

Get medical help or contact a Poison Control Center right away at 1-800-222-1222.

What is the allergy alert for this medication?

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

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.

Uses and Indications

This drug is indicated for the temporary relief of cough due to minor throat and bronchial irritation, which may occur with the common cold or as a result of inhaled irritants. Additionally, it is indicated for the temporary relief of the impulse to cough, 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 use of this cup with other products is not recommended.

For adults and children aged 12 years and older, the recommended dosage is 10 mL every 12 hours, with a maximum limit of 20 mL within 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 dosage is 2.5 mL every 12 hours, with a maximum of 5 mL in 24 hours. This product is not indicated for use in children under 4 years of age.

Healthcare professionals should ensure that patients adhere 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, and Parkinson’s disease. Patients should consult a healthcare professional if uncertain whether their prescription includes an MAOI.

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

Warnings and Precautions

Patients should not use this product if they are currently taking a prescription monoamine oxidase inhibitor (MAOI), which includes certain medications for depression, psychiatric or emotional conditions, or Parkinson’s disease. Additionally, use is contraindicated for a period of two weeks following the discontinuation of an MAOI. If there is uncertainty regarding whether a prescription drug contains an MAOI, it is imperative to consult a healthcare professional, such as a doctor or pharmacist, prior to using this product.

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

General Precautions Before using this product, patients should seek medical advice if they have a chronic cough associated with smoking, asthma, or emphysema, or if they experience a cough that is accompanied by excessive phlegm (mucus).

Stop Taking and Call Your Doctor Patients are advised to discontinue use and consult a healthcare provider 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 seven days, recurs, or is accompanied by fever, rash, or a headache that lasts, these may indicate a serious underlying condition that requires medical attention.

Get Emergency Medical Help In the event of an overdose, it is crucial to seek immediate medical assistance or contact a Poison Control Center at 1-800-222-1222.

Side Effects

Patients may experience allergic-type reactions due to the presence of sodium metabisulfite, a sulfite contained in the formulation. It is important for patients to be aware of this potential allergy alert.

In the event that side effects occur, patients are advised to discontinue use and consult a healthcare professional. 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, and medical attention should be sought promptly.

Patients are encouraged to report any side effects to the FDA at 1-800-FDA-1088.

Drug Interactions

There are currently no documented drug interactions associated with this medication. Additionally, there is no information available regarding interactions with laboratory tests. As such, no specific recommendations for dosage adjustments or monitoring are warranted at this time.

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 12 years and older may be administered 10 mL every 12 hours, with a maximum dosage 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 to exceed 10 mL in 24 hours. In children aged 4 to under 6 years, the dosage is 2.5 mL every 12 hours, with a maximum of 5 mL in 24 hours. Use is not recommended in children under 4 years of age.

Geriatric Use

Elderly patients may not have specific information regarding the use of this medication, including dosage adjustments, safety concerns, or special precautions. Therefore, healthcare providers should exercise caution when prescribing this medication to geriatric patients. It is advisable to monitor these patients closely for any adverse effects or changes in efficacy, given the lack of targeted data for this population.

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 medication 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 text 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 lack of data necessitates careful clinical judgment. Regular monitoring of renal function may be advisable in these patients, although specific recommendations are not provided.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in relation to this medication. Consequently, there are no 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. Healthcare professionals are advised to call the Poison Control Center at 1-800-222-1222 for guidance on managing the situation effectively.

Prompt intervention is crucial, as symptoms of overdose may vary depending on the substance involved. Therefore, a thorough assessment and appropriate management strategies should be implemented based on the specific clinical scenario presented.

Nonclinical Toxicology

If pregnant or breastfeeding, it is advised to consult a health professional prior to use. No specific non-teratogenic effects have been identified in the available data. Additionally, there are no detailed findings regarding nonclinical toxicology or animal pharmacology and toxicology provided in the current information.

Postmarketing Experience

Reports of side effects associated with the use of the product have been received through voluntary reporting and surveillance programs. Healthcare professionals and patients are encouraged to report any adverse events to the FDA at 1-800-FDA-1088. This information contributes to the ongoing monitoring of the product's safety profile.

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 two weeks after discontinuing an MAOI. If patients are uncertain whether their prescription medication contains an MAOI, they should be encouraged to consult 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. Furthermore, healthcare providers should recommend that patients consult a doctor before using the 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 68° to 77°F (20° to 25°C). 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

The medication is administered orally. Clinicians should inform patients that the formulation contains sodium metabisulfite, which may trigger allergic-type reactions in susceptible individuals. Patients who are pregnant or breastfeeding are advised to consult a healthcare professional prior to use. In the event of an overdose, immediate medical assistance should be sought, or the Poison Control Center contacted at 1-800-222-1222.

No additional information is available regarding laboratory tests, abuse potential, or postmarketing experience.

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.

Learn more in our Editorial Policy

Last AI update:

Primary FDA sources:

Orange Book data shown on this page are limited to Regulatory Status (Rx), Established Pharmacologic Class (EPC), and Mechanism of Action (MoA).

Regulatory data notice: Information on this page is reproduced verbatim from FDA public databases (NSDE, Orange Book, Purple Book, DailyMed SPL). NDA/ANDA drugs are FDA-approved, BLA biologics are FDA-licensed. Inclusion alone does not guarantee current market availability or imply FDA endorsement.

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.