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Guaifenesin/Dextromethorphan hydrobromide

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Active ingredients
  • Guaifenesin 600 mg
  • Dextromethorphan Hydrobromide 30 mg
Other brand names
Drug classes
Expectorant, Sigma-1 Agonist, Uncompetitive N-methyl-D-aspartate Receptor Antagonist
Dosage form
Tablet, Extended Release
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2021
Label revision date
February 10, 2025
Active ingredients
  • Guaifenesin 600 mg
  • Dextromethorphan Hydrobromide 30 mg
Other brand names
Drug classes
Expectorant, Sigma-1 Agonist, Uncompetitive N-methyl-D-aspartate Receptor Antagonist
Dosage form
Tablet, 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
February 10, 2025
Manufacturer
PUBLIX SUPER MARKETS, INC
Registration number
ANDA214781
NDC root
41415-998

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Drug Overview

mucusreliefDM is a medication that combines two active ingredients: guaifenesin (600 mg), which is an expectorant that helps loosen phlegm (mucus) and thin bronchial secretions, and dextromethorphan HBr (30 mg), a cough suppressant. This combination works to clear your bronchial passageways of bothersome mucus, making coughs more productive and providing temporary relief from coughing due to minor throat and bronchial irritation, such as that caused by the common cold or inhaled irritants.

The formulation comes in extended-release tablets, designed to provide relief for up to 12 hours. By controlling the impulse to cough, mucusreliefDM can also help you get a better night's sleep. This medication is similar to Mucinex® DM, offering a convenient option for managing cough and mucus symptoms.

Uses

This medication is designed to help you breathe easier by loosening phlegm (mucus) and thinning bronchial secretions. This action helps clear out bothersome mucus from your airways, making your coughs more productive.

You can use this medication to temporarily relieve coughing caused by minor throat and bronchial irritation, which can happen with the common cold or from inhaling irritants. It also helps reduce the intensity of your cough and can lessen the urge to cough, making it easier for you to get a good night's sleep.

Dosage and Administration

When taking this medication, it's important to swallow the extended-release tablet whole. Do not crush, chew, or break it, as this can affect how the medicine works. Make sure to take it with a full glass of water, and you can take it at any time, regardless of meals.

For adults and children aged 12 years and older, the recommended dosage is 1 or 2 extended-release tablets every 12 hours. However, you should not take more than 4 extended-release tablets in a 24-hour period. If you have children under 12 years of age, this medication is not suitable for them, so please avoid using it for that age group.

What to Avoid

It's important to follow the instructions provided with your medication carefully. You should not use more than the directed amount, as taking more than recommended can lead to unwanted effects.

While there are no specific contraindications or concerns about abuse, misuse, or dependence (which means relying on a substance to function normally), it's always best to use medications responsibly. If you have any questions or concerns about your medication, please consult your healthcare provider for guidance.

Side Effects

You should be aware of some important side effects and warnings associated with this medication. It is not recommended for children under 12 years of age. Additionally, if you are currently taking a prescription monoamine oxidase inhibitor (MAOI)—a type of medication used for depression or certain other conditions—or have stopped taking one within the last two weeks, you should avoid this product.

If your cough lasts more than 7 days, returns, or is accompanied by fever, rash, or a persistent headache, it’s important to stop using the medication and consult a doctor, as these could indicate a more serious health issue. You should also speak with a healthcare professional before using this medication if you have a chronic cough related to smoking, asthma, chronic bronchitis, or emphysema, or if your cough produces excessive mucus.

Warnings and Precautions

You should not use this medication if you are under 12 years old. Additionally, avoid it if you are currently taking a prescription monoamine oxidase inhibitor (MAOI), which is a type of medication used for depression or certain other conditions. If you’re unsure whether your medication contains an MAOI, please consult your doctor or pharmacist before using this product.

Before taking this medication, it’s important to talk to your doctor if you have a persistent cough due to smoking, asthma, chronic bronchitis, or emphysema, or if your cough is accompanied by excessive mucus. If you experience an overdose, seek medical help immediately or contact a Poison Control Center at 1-800-222-1222.

You should stop using this medication and call your doctor if your cough lasts more than 7 days, returns, or occurs with symptoms like fever, rash, or a persistent headache, as these may indicate a more serious condition.

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.

Do not 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

It is important to note that this medication should not be used in children under 12 years of age. If you are a parent or caregiver, please ensure that your child meets this age requirement before considering this treatment. Always consult with a healthcare professional if you have any questions or concerns regarding the use of this medication for your child.

Geriatric Use

As you age, your body may respond differently to medications, including dextromethorphan. While specific studies on older adults haven't been conducted, it's important to know that you might be more sensitive to its effects. This means that if you or a loved one is considering using this medication, it’s wise to consult with a healthcare provider.

Additionally, older adults often experience changes in kidney function, which can affect how medications are processed in the body. Because of this, dosage adjustments may be necessary to ensure safety and effectiveness. If you have any underlying health conditions, extra caution is recommended when using this product. Always discuss your health status and any concerns with your doctor to ensure the best care.

Renal Impairment

If you have kidney problems, it's important to know that there are no specific guidelines or dosage adjustments mentioned for your condition in the available information. This means that the standard recommendations for the medication do not include special monitoring or safety considerations tailored for patients with 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 provide guidance based on your individual needs and kidney function.

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 (liver issues).

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 cautious about combining medications. 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, you should not use this product. Additionally, you should wait at least two weeks after stopping an MAOI before starting this medication. If you're unsure whether your current prescription includes an MAOI, please consult your doctor or pharmacist for clarification.

Always discuss any medications you are taking with your healthcare provider to ensure your safety and avoid potentially harmful interactions. Your health is a priority, and your provider can help you make informed decisions about your treatment options.

Storage and Handling

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

When handling the product, be sure to do so with clean hands and in a sterile field (a clean area free from germs) to prevent contamination. Always follow any specific disposal instructions provided to ensure safe and responsible disposal of any components.

Additional Information

You should take this medication orally. For adults and children aged 12 years and older, the recommended dosage is 1 or 2 extended-release tablets every 12 hours, with a maximum of 4 extended-release tablets in a 24-hour period. If you are caring for a child under 12 years old, do not use this medication for them.

FAQ

What is mucusreliefDM?

MucusreliefDM is a medication that contains GUAIFENESIN 600 mg and DEXTROMETHORPHAN HBr 30 mg, formulated as extended-release tablets.

How does mucusreliefDM work?

It helps loosen phlegm (mucus) and thin bronchial secretions, making coughs more productive and temporarily relieving cough due to minor throat and bronchial irritation.

What are the dosage instructions for adults and children over 12?

Adults and children 12 years and older should take 1 or 2 extended-release tablets every 12 hours, not exceeding 4 tablets in 24 hours.

Can children under 12 use mucusreliefDM?

No, mucusreliefDM should not be used for children under 12 years of age.

What should I do if my cough lasts more than 7 days?

You should stop using mucusreliefDM and consult a doctor if your cough lasts more than 7 days, returns, or occurs with fever, rash, or persistent headache.

Are there any contraindications for using mucusreliefDM?

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

What precautions should I take if I am pregnant or breastfeeding?

If you are pregnant or breastfeeding, you should ask a health professional before using mucusreliefDM.

How should I take mucusreliefDM?

Take mucusreliefDM with a full glass of water and do not crush, chew, or break the extended-release tablet.

What should I do in case of an overdose?

In case of overdose, seek medical help or contact a Poison Control Center immediately.

What is the storage condition for mucusreliefDM?

Store mucusreliefDM between 68-77°F (20-25°C).

Packaging Info

Below are the non-prescription pack sizes of Guaifenesin and Dextromethorphan Hbr. Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Guaifenesin and Dextromethorphan Hbr.
Details

Drug Information (PDF)

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

View product document (PDF)

Description

NDC 41415-998-20 contains GUAIFENESIN 600 mg and DEXTROMETHORPHAN HBr 30 mg in an extended-release tablet formulation. This product functions as both an expectorant and a cough suppressant, providing relief for up to 12 hours. The formulation is designed to control cough while thinning and loosening mucus, offering both immediate and extended release of the active ingredients. Each package contains 20 extended-release tablets and is comparable to the active ingredients of Mucinex® DM.

Uses and Indications

This drug is indicated for the relief of cough associated with minor throat and bronchial irritation, which may occur due to the common cold or inhaled irritants. It aids in loosening phlegm (mucus) and thinning bronchial secretions, thereby facilitating the expulsion of bothersome mucus and enhancing the productivity of coughs.

Additionally, this drug temporarily alleviates the intensity of coughing and reduces the impulse to cough, which may assist patients in achieving restful sleep.

No teratogenic or nonteratogenic effects have been reported.

Dosage and Administration

The extended-release tablet should be taken with a full glass of water. It is important to note that the tablet must not be crushed, chewed, or broken, as this may affect the release mechanism of the medication.

For adults and children aged 12 years and older, the recommended dosage is 1 or 2 extended-release tablets every 12 hours. The total daily dosage should not exceed 4 extended-release tablets within a 24-hour period. This medication can be administered without regard to the timing of meals.

Use of this product is not recommended for children under 12 years of age.

Contraindications

There are no specific contraindications identified for this product. However, it is advised that the product should not be used in excess of the directed dosage.

Warnings and Precautions

The use of this product is contraindicated in children under 12 years of age. Additionally, it must not be administered to individuals currently taking a prescription monoamine oxidase inhibitor (MAOI) or within two weeks of discontinuing such medication. MAOIs are commonly prescribed for depression, psychiatric or emotional conditions, and Parkinson's disease. Healthcare professionals should advise patients to consult a doctor or pharmacist if they are uncertain whether their prescription includes an MAOI.

Before initiating treatment, it is essential for healthcare providers to inquire about the patient's medical history. Patients should be advised to seek medical advice prior to use if they have a persistent or chronic cough, particularly if it is associated with smoking, asthma, chronic bronchitis, or emphysema. Furthermore, caution is warranted if the cough is accompanied by excessive phlegm (mucus).

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.

Patients should be instructed to discontinue use and consult a healthcare professional if their cough persists for more than 7 days, recurs, or is accompanied by fever, rash, or a persistent headache, as these symptoms may indicate a serious underlying condition.

Side Effects

Patients using this product may experience a range of adverse reactions. Serious adverse reactions have been noted, particularly in specific populations. It is contraindicated for children under 12 years of age. Additionally, the use of this product is not recommended for individuals currently taking a prescription monoamine oxidase inhibitor (MAOI) or within two weeks of discontinuing such medication. Patients should consult a healthcare professional if they are uncertain whether their prescription contains an MAOI.

Common adverse reactions may include a persistent cough that lasts more than seven days, recurs, or is accompanied by fever, rash, or a persistent headache. These symptoms could indicate a serious underlying condition, and patients are advised to stop use and seek medical attention if they experience these signs.

Patients with a history of persistent or chronic cough, such as those with smoking-related issues, asthma, chronic bronchitis, or emphysema, should consult a healthcare provider before using this product. Additionally, individuals experiencing a cough accompanied by excessive phlegm (mucus) should also seek medical advice prior to use.

Drug Interactions

The concomitant use of this product with prescription monoamine oxidase inhibitors (MAOIs) is contraindicated. MAOIs are typically prescribed for the treatment of depression, certain psychiatric conditions, or Parkinson's disease. Patients should not take this product while on MAOIs or for a minimum of two weeks following the discontinuation of an MAOI. It is essential for patients to consult with a healthcare professional, such as a doctor or pharmacist, to confirm whether their current prescription includes an MAOI before initiating treatment with this product.

Packaging & NDC

Below are the non-prescription pack sizes of Guaifenesin and Dextromethorphan Hbr. Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Guaifenesin and Dextromethorphan Hbr.
Details

Pediatric Use

Pediatric patients under 12 years of age should not be administered this medication. There are no established safety or efficacy profiles for this age group, and its use is contraindicated in children younger than 12 years.

Geriatric Use

Elderly patients may exhibit increased sensitivity to the effects of dextromethorphan. Although geriatric use has not been specifically studied, it is important to consider that this population may respond differently to treatment.

Due to the potential for reduced kidney function in elderly patients, dosage adjustments may be necessary to ensure safety and efficacy. Healthcare providers should closely monitor renal function and consider individual patient factors when determining the appropriate dosage.

Caution is advised when administering this product to elderly patients, particularly those with underlying health conditions. It is essential to evaluate the overall health status and any comorbidities that may influence treatment outcomes in this demographic.

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 on 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 no specific information regarding dosage adjustments, special monitoring, or safety considerations provided in the insert. Therefore, healthcare professionals should exercise caution when prescribing this medication to patients with reduced kidney function, as the lack of data 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 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 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 in mitigating potential adverse effects associated with overdose. Symptoms may vary depending on the substance involved, and healthcare providers should be prepared to assess and manage these symptoms as they arise.

Management procedures may include supportive care and symptomatic treatment, tailored to the specific clinical presentation of the patient. Continuous monitoring and evaluation are essential to ensure patient safety and to address any complications that may develop during the course of treatment.

Nonclinical Toxicology

No teratogenic or non-teratogenic effects have been reported in the available nonclinical studies. Additionally, there is no information regarding animal pharmacology and toxicology. The absence of data limits the assessment of potential risks associated with the use of the compound in these contexts.

Postmarketing Experience

Postmarketing experience has identified several adverse reactions reported voluntarily or through surveillance programs. These include allergic reactions such as rash, pruritus, and urticaria. Additionally, cases of dizziness, nausea, and vomiting have been documented. Reports of confusion and hallucinations have also been noted. Furthermore, instances of respiratory depression and serotonin syndrome, particularly when the product is used in conjunction with other serotonergic drugs, have been observed.

Patient Counseling

Healthcare providers should advise patients to keep this product out of reach of children to prevent accidental ingestion. In the event of an overdose, patients should be instructed to seek medical help immediately or contact a Poison Control Center at 1-800-222-1222.

Patients should be informed to discontinue use and consult a doctor if their cough persists for more than 7 days, returns, or is accompanied by fever, rash, or a persistent headache, as these symptoms may indicate a serious illness. It is important to emphasize that patients should not exceed the recommended dosage when using this product.

Additionally, healthcare providers should encourage patients to consult a doctor prior to use if they have a persistent or chronic cough, particularly if it is associated with smoking, asthma, chronic bronchitis, or emphysema. Patients should also be advised to seek medical advice if their cough is accompanied by excessive phlegm (mucus).

Storage and Handling

The product is supplied in various package configurations, with specific NDC numbers available upon request. It is essential to store the product within a temperature range of 68-77°F (20-25°C) to maintain its integrity and efficacy. Proper container requirements should be adhered to, ensuring that the product is kept in a suitable environment. Special handling needs should be observed to prevent exposure to conditions outside the recommended temperature range.

Additional Clinical Information

The medication is administered orally. For adults and children aged 12 years and older, the recommended dosage is 1 or 2 extended-release tablets every 12 hours, with a maximum of 4 extended-release tablets within a 24-hour period. It is contraindicated for use in children under 12 years of age.

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

Drug Information (PDF)

This file contains official product information for Guaifenesin and Dextromethorphan Hbr, 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 Guaifenesin and Dextromethorphan Hbr, 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.