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Cough Dm

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Active ingredient
Dextromethorphan Hydrobromide 30 mg/5 mL
Other brand names
Dosage form
Suspension
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2012
Label revision date
September 15, 2025
Active ingredient
Dextromethorphan Hydrobromide 30 mg/5 mL
Other brand names
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
September 15, 2025
Manufacturer
Sixarp, LLC
Registration number
ANDA091135
NDC root
59368-277

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Drug Overview

Dextromethorphan Polistirex is an extended-release oral suspension designed to help relieve coughing. It works as a cough suppressant, temporarily easing the urge to cough caused by minor throat and bronchial irritation, which can occur with the common cold or from inhaled irritants. This medication can be particularly helpful if you’re trying to get to sleep by reducing the impulse to cough.

This orange-flavored liquid provides up to 12 hours of cough relief and is alcohol-free, making it suitable for use both day and night. A dosing cup is included for your convenience, ensuring you can measure the right amount easily.

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 find that your cough is keeping you awake at night, this medication can also help reduce the urge to cough, allowing you to get a better night's sleep.

Dosage and Administration

Before you use this 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 a different cup could 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, they should take 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 give this medication to 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 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 seek professional advice if you have any concerns.

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 seven days, returns, or is accompanied by fever, rash, or a persistent headache, these may be signs of a more serious condition that requires medical attention.

For any side effects you encounter, you can report them 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 people.

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 produces a lot of mucus. If you experience an overdose, seek emergency medical help immediately or contact a Poison Control Center at 1-800-222-1222. You should also stop using the product and call your doctor if you notice any side effects, if your cough lasts more than seven days, or if it returns with fever, rash, or a persistent headache, as these may indicate a more serious issue.

Overdose

It appears that there is no specific information available regarding overdosage for this medication. However, it's always important to be aware of the potential risks associated with taking any medication. If you suspect that you or someone else may have taken too much of a medication, look out for unusual symptoms such as extreme drowsiness, confusion, or difficulty breathing.

In the event of an overdose, it is crucial to seek immediate medical help. You can do this by calling your local emergency number or going to the nearest hospital. Always keep medications out of reach of children and follow the prescribed dosage to minimize the risk of an overdose. If you have any concerns or questions about your medication, don’t hesitate to reach out to your healthcare provider.

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 medication to your child, 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. If your child is between 4 and under 6 years old, 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 healthcare provider if you have any questions or concerns about the appropriate use of medication for your child.

Geriatric Use

When it comes to using this medication in older adults, there are no specific guidelines about adjusting the dosage or any unique safety concerns. This means that, generally, the same dosage may be used as for younger adults. However, it’s always important to consult with a healthcare provider to ensure that the medication is appropriate for your individual health needs, especially if you have any existing health conditions or are taking other medications.

As you age, your body may process medications differently, so staying in close communication with your doctor can help manage any potential risks. Always report any unusual symptoms or side effects you experience while taking the medication.

Renal Impairment

If you have kidney problems, it's important to know that the information provided does not include specific guidelines for dosage adjustments, special monitoring, or safety considerations related to renal impairment (kidney issues). This means that there are no tailored recommendations for how your treatment may need to change based on your kidney function.

Always consult your healthcare provider for personalized advice and to ensure that your treatment plan is safe and effective for your specific situation. They can help monitor your kidney health and make any necessary adjustments to your medications.

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 be aware that if you are taking dextromethorphan, you should avoid using it alongside monoamine oxidase inhibitors (MAOIs), a type of medication used to treat depression. This combination can lead to serious side effects. If you are currently taking an MAOI or have stopped taking one within the last two weeks, please consult your healthcare provider before using dextromethorphan.

Always discuss any medications you are taking with your healthcare provider to ensure your safety and well-being. They can help you understand potential interactions and make informed decisions about your treatment.

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, 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 according to the following guidelines: Adults and children aged 12 and older can take 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. Children aged 4 to under 6 years should take 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 due to smoking, asthma, or emphysema, or if your cough produces a lot of mucus. If you are pregnant or breastfeeding, it's important to speak with a healthcare professional before use. If you experience any side effects, stop using the medication and contact your doctor. You can also report side effects to the FDA at 1-800-FDA-1088.

FAQ

What is Dextromethorphan Polistirex?

Dextromethorphan Polistirex is an extended-release oral suspension used as a cough suppressant.

How does Dextromethorphan Polistirex work?

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

What are the dosing instructions for adults?

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

Can children use Dextromethorphan Polistirex?

Yes, but dosing varies: children 6 to under 12 years should take 5 mL every 12 hours, and those 4 to under 6 years should take 2.5 mL every 12 hours. Do not use in children under 4 years.

Are there any contraindications for using this medication?

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

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 Dextromethorphan Polistirex safe during pregnancy or breastfeeding?

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

What is the allergy alert for this medication?

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

How should I store Dextromethorphan Polistirex?

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

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 specified drug.

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 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 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 appropriate dose is 2.5 mL every 12 hours, with a maximum of 5 mL in 24 hours. This product is not recommended for use in children under 4 years of age.

Healthcare professionals should advise patients to follow these dosing guidelines or any specific instructions provided by their physician.

Contraindications

Use of this product is contraindicated in the following situations:

Patients currently taking a prescription monoamine oxidase inhibitor (MAOI) for depression, psychiatric or emotional conditions, or Parkinson’s disease, as well as for 2 weeks following the discontinuation of an MAOI. The combination may lead to serious interactions. If there is uncertainty regarding the presence of an MAOI in a prescription medication, consultation with a healthcare professional is advised.

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

Warnings and Precautions

Use of this product is contraindicated in individuals currently taking a prescription monoamine oxidase inhibitor (MAOI), which includes certain medications prescribed for depression, psychiatric or emotional conditions, or Parkinson’s disease. It is also contraindicated for a period of two weeks following the discontinuation of an MAOI. Patients uncertain about whether their prescription includes an MAOI should consult a healthcare professional, such as a doctor or pharmacist, prior to using this product.

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

General Precautions Healthcare professionals should advise patients to seek medical consultation before using this product if they have a chronic cough associated with smoking, asthma, or emphysema. Additionally, patients with a cough that produces excessive phlegm (mucus) should also consult a healthcare provider prior to use.

Emergency Situations 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.

Discontinuation of Use Patients are advised to discontinue use and consult a healthcare provider if any side effects occur. Side effects may be reported to the FDA at 1-800-FDA-1088. Furthermore, if a cough persists for more than seven days, recurs, or is accompanied by fever, rash, or a headache that lasts, patients should seek medical attention, as these symptoms may indicate a serious underlying condition.

Side Effects

Patients may experience adverse reactions associated with the use of this medication. Notably, there is an Allergy Alert due to the presence of sodium metabisulfite, which is a sulfite that may lead to allergic-type reactions in susceptible individuals.

Patients are advised to discontinue use and consult a healthcare professional if any side effects occur. It is also recommended that patients seek medical attention if a cough persists for more than 7 days, recurs, or is accompanied by fever, rash, or headache lasting longer than expected, as these symptoms could indicate a serious underlying condition.

For any adverse reactions, patients may report their experiences to the FDA at 1-800-FDA-1088.

Drug Interactions

Dextromethorphan is contraindicated in patients currently taking monoamine oxidase inhibitors (MAOIs) or those who have discontinued MAOIs within the past two weeks. The combination may lead to an increased risk of serious side effects. It is advised to avoid the use of dextromethorphan in these circumstances to prevent potential adverse reactions.

No additional drug interactions or laboratory test interactions have been identified.

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

Elderly patients may not have specific dosage adjustments, safety concerns, or special precautions outlined for the use of this medication. Therefore, healthcare providers should exercise caution when prescribing this medication to geriatric patients, considering the potential for altered pharmacokinetics and increased sensitivity to medications in this population.

It is advisable for healthcare providers to monitor elderly patients closely for any adverse effects or changes in therapeutic response, as individual patient factors may necessitate careful evaluation and management.

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 the safety of both the mother and the developing fetus.

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 available prescribing information. There are no dosage adjustments, special monitoring requirements, or safety considerations outlined for individuals with reduced kidney function. Healthcare professionals should exercise caution and consider the lack of data when prescribing to this patient population.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in relation to the use of 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 available information.

Overdosage

In the absence of specific overdosage information, it is essential for healthcare professionals to remain vigilant and prepared for potential scenarios involving overdose.

Healthcare providers should be aware that the clinical presentation of an overdose may vary significantly depending on the substance involved and the individual patient’s characteristics. Symptoms of overdose can range from mild to severe and may include altered mental status, cardiovascular instability, respiratory distress, and gastrointestinal disturbances.

In the event of suspected overdosage, immediate assessment of the patient’s condition is crucial. Recommended actions include:

  1. Assessment and Monitoring: Conduct a thorough evaluation of the patient, including vital signs and level of consciousness. Continuous monitoring may be necessary to detect any deterioration in the patient's condition.

  2. Supportive Care: Initiate supportive measures as needed, which may include airway management, oxygen supplementation, intravenous fluids, and symptomatic treatment.

  3. Toxicology Consultation: Consider consulting a poison control center or a toxicologist for guidance on specific management strategies tailored to the substance involved.

  4. Decontamination: If appropriate and within a reasonable timeframe, decontamination procedures such as activated charcoal may be considered, provided the patient is alert and able to protect their airway.

  5. Specific Antidotes: Be aware of any specific antidotes that may be indicated for the substance involved in the overdose, and administer them as per established protocols.

In summary, while no specific overdosage information is provided, healthcare professionals should be prepared to act swiftly and effectively in managing potential overdose situations, utilizing a combination of assessment, supportive care, and consultation with specialists as necessary.

Nonclinical Toxicology

If pregnant or breast-feeding, it is advised to consult a health professional before use. No non-teratogenic effects have been specified in the available data. Additionally, there are no details provided regarding nonclinical toxicology or animal pharmacology and toxicology.

Postmarketing Experience

Postmarketing experience has identified various side effects associated 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, or a cough that recurs or is 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. They should also be informed that side effects can be reported to the FDA at 1-800-FDA-1088.

Additionally, healthcare providers should advise patients to stop using the product and seek medical advice if a 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. Patients with a chronic cough associated with smoking, asthma, or emphysema should be encouraged to consult a doctor before using this product. Furthermore, patients should be advised to seek medical guidance if they have a cough that 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 prior to use if they have a chronic cough associated with smoking, asthma, or emphysema, or if the cough is accompanied by excessive mucus. Pregnant or breastfeeding patients should also seek advice from a healthcare professional before use. Patients are instructed to discontinue use and consult a doctor if side effects occur, with the option to report adverse effects to the FDA at 1-800-FDA-1088.

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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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.