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Signature Care Cough Relief

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Active ingredient
Dextromethorphan Hydrobromide 30 mg/5 mL
Other brand names
Dosage form
Suspension, Extended Release
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2021
Label revision date
September 8, 2025
Active ingredient
Dextromethorphan Hydrobromide 30 mg/5 mL
Other brand names
Dosage form
Suspension, Extended Release
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 2021
Label revision date
September 8, 2025
Manufacturer
Sixarp, LLC
Registration number
ANDA091135
NDC root
59368-257

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Drug Overview

DExtromethorphan Polistirex Extended-Release Oral Suspension is a cough suppressant that comes in a grape-flavored liquid form. It is designed to temporarily relieve cough caused by minor throat and bronchial irritation, which can occur with the common cold or from inhaled irritants. This medication helps reduce the urge to cough, making it easier for you to get a good night's sleep.

This product provides up to 12 hours of cough relief and is alcohol-free, making it a suitable option for many individuals. A dosing cup is included to help you measure the correct amount.

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 due to the urge to cough, this medication can also help reduce that impulse, allowing you to rest more comfortably.

It's important to note that there are no reported teratogenic effects (which means it doesn't cause birth defects) or nonteratogenic effects associated with this medication.

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 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 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 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 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. You can contact a Poison Control Center at 1-800-222-1222 for guidance. Signs of an overdose can vary, but they may include unusual drowsiness, confusion, or difficulty breathing.

Always take overdosing seriously. If you notice any of these symptoms or have concerns about your health, don’t hesitate to reach out for help right away. Your safety is the top priority.

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 give more than 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

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 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 you may have regarding your liver health and medication use. They can help ensure that you receive the safest and most effective treatment.

Drug Interactions

It's important to have open conversations with your healthcare provider about any medications or tests you may be taking. While there are no specific drug interactions or laboratory test interactions noted for this medication, your healthcare provider can help ensure that everything you are taking works well together and is safe for you.

Always feel free to ask questions and share your complete list of medications and any lab tests you may be undergoing. This way, you can receive the best possible care tailored to your needs.

Storage and Handling

To ensure the best performance of your product, store it at a temperature between 20° to 25°C (68° to 77°F). This temperature range helps maintain the product's effectiveness and safety.

When using the product, you will find a dosing cup included, which is designed to help you measure the correct amount safely. Always handle the product with care to avoid any contamination or damage. Following these guidelines will help you use the product effectively and safely.

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 a 24-hour period. 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 produces excessive mucus. If you are pregnant or breastfeeding, it's important to speak with a healthcare professional before use.

FAQ

What is Dextromethorphan Polistirex Extended-Release Oral Suspension?

It is a grape-flavored, alcohol-free cough suppressant available in a 3 FL OZ (89 mL) liquid form, designed to temporarily relieve cough due to minor throat and bronchial irritation.

How does this medication work?

It temporarily relieves cough by suppressing the impulse to cough, helping you get to sleep and alleviating irritation from the common cold or inhaled irritants.

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.

What should children under 4 years of age do?

Children under 4 years of age should not use this medication.

Are there any contraindications for this medication?

Do not use if you are currently taking a prescription monoamine oxidase inhibitor (MAOI) or have stopped taking one within the last 2 weeks.

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 there an allergy alert for this medication?

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

What should I do if I am pregnant or breastfeeding?

If you are pregnant or breastfeeding, ask a health professional before using this medication.

How should I store this medication?

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 Signature Care Cough Relief (dextromethorphan polistirex). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Signature Care Cough Relief.
Details

Drug Information (PDF)

This file contains official product information for Signature Care Cough Relief, 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 of 20 mL in a 24-hour period. For children aged 6 to under 12 years, the recommended dose 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 recommended 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 dosing as directed by a 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 use.

Allergy Alert This product contains sodium metabisulfite, 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 accompanied by excessive phlegm (mucus).

Stop Taking and Call Your Doctor Instructions 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. Furthermore, if a cough persists for more than seven days, recurs, or is accompanied by fever, rash, or headache that lasts, these may indicate a serious condition requiring medical attention.

Get Emergency Medical Help Instructions 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 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.

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 Signature Care Cough Relief (dextromethorphan polistirex). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Signature Care Cough Relief.
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 available 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 considered in these populations to ensure the safety of both the mother and the fetus or infant.

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 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. Healthcare professionals should advise patients or caregivers to call the Poison Control Center at 1-800-222-1222 for guidance.

Prompt intervention is crucial in managing overdose situations, as timely medical help can significantly influence outcomes. Symptoms of overdose may vary depending on the substance involved, and healthcare providers should be prepared to assess and manage these symptoms accordingly.

Management procedures may include supportive care, monitoring of vital signs, and symptomatic treatment as necessary. It is essential for healthcare professionals to remain vigilant and act swiftly to mitigate potential complications associated with overdose.

Nonclinical Toxicology

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

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, 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 help or contact a Poison Control Center at 1-800-222-1222 in the event of an overdose. It is important to inform patients that they should not use this product if they are currently taking a prescription monoamine oxidase inhibitor (MAOI) or for two weeks after discontinuing an MAOI. Patients who are uncertain whether their prescription medication contains an MAOI should be encouraged to consult with their doctor or pharmacist prior to using this product.

Providers should also alert patients to the presence of sodium metabisulfite in the formulation, which may lead to allergic-type reactions in susceptible individuals. Patients should be instructed to discontinue use and consult a doctor if they experience any side effects. They may also report side effects to the FDA at 1-800-FDA-1088.

Additionally, healthcare providers should advise patients to stop using the product and seek medical advice if their cough persists for more than seven days, returns, 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 the product. Furthermore, patients should be advised to seek medical guidance if their cough is accompanied by excessive phlegm (mucus).

Storage and Handling

The product is supplied with a dosing cup included for accurate measurement. It should be stored at a temperature range of 20° to 25°C (68° to 77°F) to ensure optimal stability and efficacy. Proper storage conditions are essential for maintaining the integrity of the product.

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 phlegm. Additionally, pregnant or breastfeeding patients should seek advice from a healthcare professional before using the medication.

Drug Information (PDF)

This file contains official product information for Signature Care Cough Relief, 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 Signature Care Cough Relief, 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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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.