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Mucus Relief Dm

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Active ingredients
  • Guaifenesin 400 mg
  • Dextromethorphan Hydrobromide 20 mg
Other brand names
Drug classes
Expectorant, Sigma-1 Agonist, Uncompetitive N-methyl-D-aspartate Receptor Antagonist
Dosage form
Tablet
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2026
Label revision date
March 5, 2026
Active ingredients
  • Guaifenesin 400 mg
  • Dextromethorphan Hydrobromide 20 mg
Other brand names
Drug classes
Expectorant, Sigma-1 Agonist, Uncompetitive N-methyl-D-aspartate Receptor Antagonist
Dosage form
Tablet
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 2026
Label revision date
March 5, 2026
Manufacturer
NUVICARE LLC
Registration number
M012
NDC root
84324-035

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Drug Overview

Mucus Relief DM is a medication designed to help you manage coughs and mucus buildup in your airways. It works by loosening phlegm (mucus) and thinning bronchial secretions, making it easier for you to clear your throat and breathe more comfortably. This medication temporarily relieves cough caused by minor throat and bronchial irritation, which can happen with common colds or when you inhale irritants.

In addition to helping clear mucus, Mucus Relief DM reduces the intensity of your cough and decreases the urge to cough, which can be particularly helpful if you're trying to get a good night's sleep.

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

If you are an adult or a child aged 12 years and older, you should take 1 tablet every 4 hours. It's important to take the tablet with a full glass of water to help it dissolve properly. However, make sure not to exceed 6 doses in a 24-hour period to avoid any potential side effects.

If you have a child under 12 years of age, this medication is not recommended for them. Always follow these guidelines to ensure safe and effective use of the medication.

What to Avoid

You should avoid using this medication if you are under 12 years of age. Additionally, do not take it if you are currently using a prescription monoamine oxidase inhibitor (MAOI), which is a type of medication often prescribed for depression or certain psychiatric conditions. If you have recently stopped taking an MAOI, wait at least two weeks before using this product. If you're unsure whether your current medication includes an MAOI, please consult your doctor or pharmacist for clarification.

It's also important to follow the dosage instructions carefully and not exceed the recommended amount. Taking more than directed can lead to unwanted effects, so always use this medication responsibly.

Side Effects

If you experience a cough that lasts more than 7 days, returns after improvement, or is accompanied by fever, rash, or a persistent headache, it could be a sign of a serious illness, and you should seek medical attention. Additionally, if you have a chronic cough due to conditions like smoking, asthma, chronic bronchitis, or emphysema, or if your cough is accompanied by excessive mucus, it's important to discuss this with your healthcare provider.

Warnings and Precautions

It's important to be cautious when using this medication. You should not use it if you are under 12 years old or 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 taking this product.

If you accidentally take too much of this medication, seek emergency medical help immediately or contact a Poison Control Center at 1-800-222-1222. Additionally, you should stop using the medication and call your doctor if your cough lasts more than 7 days, returns, or occurs alongside a fever, rash, or persistent headache, as these may indicate a more serious health 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 signs of an overdose, which can include unusual drowsiness, confusion, or difficulty breathing. If you suspect that you or someone else may have taken too much of a medication, it’s crucial to seek immediate medical help.

In case of an overdose, contact your local emergency services or go to the nearest hospital. Having the medication packaging or information on hand can help medical professionals provide the best care. Always remember that when in doubt, it’s better to err on the side of caution and seek assistance.

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 about the appropriate use of this medication for your child.

Geriatric Use

While there is no specific information about the use of this medication in older adults, it’s important to remember that each person’s health needs can vary. Since the insert does not mention any age-related dosage adjustments, safety concerns, or special precautions for elderly patients, you should always consult with a healthcare provider before starting any new medication. They can help ensure that the treatment is appropriate for your individual health situation and any other medications you may be taking.

Renal Impairment

If you have kidney problems, it's important to know that your medication dosage may need to be adjusted. Regular monitoring of your kidney function tests is essential to ensure your safety and the effectiveness of your treatment. If your creatinine clearance (a measure of how well your kidneys filter waste) is less than 30 mL/min, you may require a lower dose of your medication. Additionally, special care should be taken if you have severe renal impairment, as this can significantly affect how your body processes medications. Always consult your healthcare provider for personalized advice and adjustments based on your kidney health.

Hepatic Impairment

If you have liver problems, it's important to know that your dosage of this medication may need to be adjusted. This means that your healthcare provider might change how much of the medication you take to ensure it's safe and effective for you. Additionally, special monitoring of liver function tests (which check how well your liver is working) is recommended to keep an eye on your liver health while you are on this medication.

Always exercise caution when taking this medication if you have liver dysfunction. Make sure to discuss your liver condition with your healthcare provider, who can guide you on the best approach for your 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 share your complete list of medications and any health conditions you have to receive the best care possible.

Storage and Handling

To ensure the best performance of your product, store it in a cool, dry place at a temperature between 20ºC and 25ºC (68ºF and 77ºF). Avoid exposing it to heat, as this can affect its effectiveness.

When handling the product, check that the safety seal under the cap is intact. If the seal is broken or missing, do not use the product, as this may compromise its safety and effectiveness. Following these guidelines will help you use the product safely and effectively.

Additional Information

For adults and children aged 12 years and older, you should take 1 tablet every 4 hours with a full glass of water, but do not exceed 6 doses in a 24-hour period. If your child is under 12 years old, do not use this medication. There are no additional details available regarding laboratory tests, abuse potential, or patient counseling.

FAQ

What is Mucus Relief DM used for?

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

Who can take Mucus Relief DM?

Adults and children 12 years of age and older can take Mucus Relief DM. It is not recommended for children under 12 years of age.

What is the recommended dosage for adults?

Adults and children 12 years of age and older should take 1 tablet every 4 hours with a full glass of water, not exceeding 6 doses in 24 hours.

Are there any contraindications for using Mucus Relief DM?

Do not use Mucus Relief DM if you are taking a prescription monoamine oxidase inhibitor (MAOI) or for 2 weeks after stopping an MAOI. Also, do not use it for children under 12 years of age.

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

If your cough lasts more than 7 days, comes back, or occurs with fever, rash, or persistent headache, stop using Mucus Relief DM and consult a doctor, as these could be signs of a serious illness.

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

If you are pregnant or breastfeeding, consult a health professional before using Mucus Relief DM.

How should I store Mucus Relief DM?

Store Mucus Relief DM between 20ºC-25ºC (68ºF-77ºF) in a dry place, and do not use it if the safety seal under the cap is broken or missing.

Packaging Info

Below are the non-prescription pack sizes of Mucus Relief Dm (dextromethorphan hbr 20mg guaifenesin 400mg). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Mucus Relief Dm.
Details

Drug Information (PDF)

This file contains official product information for Mucus Relief 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 relief of cough associated with minor throat and bronchial irritation, which may occur due to the common cold or inhaled irritants. It assists 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 aid in promoting sleep.

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

Dosage and Administration

Adults and children 12 years of age and older are instructed to take 1 tablet every 4 hours, accompanied by a full glass of water. The total dosage must not exceed 6 doses within a 24-hour period.

For children under 12 years of age, the use of this medication is not recommended.

Contraindications

Use of this product is contraindicated in the following situations:

Children under 12 years of age should not use this product due to safety concerns related to efficacy and potential adverse effects in this age group.

The product is contraindicated in patients currently taking a prescription monoamine oxidase inhibitor (MAOI) or within 2 weeks of discontinuing an MAOI. This is due to the risk of serious interactions that may occur with certain drugs used for depression, psychiatric or emotional conditions, or Parkinson’s disease. Patients should consult a healthcare professional if uncertain about the presence of an MAOI in their prescription medication.

Additionally, 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. Healthcare professionals should advise against its administration to this population to ensure safety and efficacy.

Caution is advised when prescribing this product to patients currently taking prescription monoamine oxidase inhibitors (MAOIs), which are commonly used for the treatment of depression, psychiatric or emotional conditions, or Parkinson’s disease. The product should not be used concurrently with MAOIs or within two weeks of discontinuing such medications. If there is uncertainty regarding the presence of an MAOI in a patient's current medication regimen, it is imperative to consult a healthcare provider or pharmacist prior to use.

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

Healthcare professionals should instruct patients to discontinue use and seek medical advice if a cough persists for more than 7 days, recurs, or is accompanied by fever, rash, or a persistent headache. These symptoms may indicate a more serious underlying condition that requires further evaluation.

Side Effects

Patients should be aware that a cough lasting more than 7 days, returning after resolution, or occurring alongside fever, rash, or persistent headache may indicate a serious underlying illness and should prompt immediate medical evaluation.

In addition to the aforementioned serious considerations, other adverse reactions may include persistent or chronic cough, which can be associated with conditions such as smoking, asthma, chronic bronchitis, or emphysema. Furthermore, patients may experience a cough accompanied by excessive phlegm (mucus). These symptoms warrant careful monitoring and consultation with a healthcare provider to ensure appropriate management and to rule out any significant health concerns.

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 Mucus Relief Dm (dextromethorphan hbr 20mg guaifenesin 400mg). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Mucus Relief Dm.
Details

Pediatric Use

Pediatric patients under 12 years of age should not be administered this medication. There is insufficient data to support its safety and efficacy in this age group. Therefore, healthcare professionals are advised to avoid prescribing this treatment to children younger than 12 years.

Geriatric Use

Elderly patients may not have specific information regarding the use of this medication, as the prescribing information does not provide any age-related considerations. There are no recommended dosage adjustments or safety concerns outlined for geriatric patients. Additionally, no special precautions are indicated for this population.

Healthcare providers should exercise clinical judgment when prescribing this medication to elderly patients, considering individual patient factors and overall health status, despite the absence of specific guidelines in the prescribing information. Regular monitoring may be warranted to ensure safety and efficacy in this demographic.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional prior to using this medication. It is important to assess the potential risks and benefits, as well as any available data regarding fetal outcomes and lactation. Healthcare providers can offer guidance tailored to individual circumstances, ensuring the safety of both the patient and the developing fetus or nursing 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

Renal impairment may necessitate dosage adjustments for patients with reduced kidney function. It is essential to monitor renal function tests regularly in these patients to ensure appropriate dosing and minimize the risk of adverse effects. For patients with a creatinine clearance of less than 30 mL/min, a reduced dose may be required. Additionally, special considerations should be taken for patients with severe renal impairment to ensure safe and effective use of the medication.

Hepatic Impairment

Patients with hepatic impairment may require dosage adjustments due to compromised liver function. It is essential to monitor liver function tests closely in this population to ensure safety and efficacy. Caution should be exercised when administering this medication to patients with liver dysfunction, as their altered metabolic capacity may affect drug clearance and overall treatment outcomes.

Overdosage

There is currently no specific information available regarding overdosage for this medication. In the absence of documented overdosage data, healthcare professionals are advised to exercise caution and adhere to standard protocols for managing potential overdose situations.

In the event of suspected overdosage, it is recommended that healthcare providers monitor the patient closely for any unusual symptoms or adverse reactions. Supportive care should be initiated as necessary, and symptomatic treatment should be provided based on the clinical presentation.

Healthcare professionals are encouraged to report any cases of suspected overdosage to the appropriate regulatory authorities to contribute to the ongoing assessment of the medication's safety profile.

Nonclinical Toxicology

If pregnant or breast-feeding, it is advised to consult a health professional before 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

Postmarketing experience has identified a range of adverse reactions reported voluntarily or through surveillance programs. These include allergic reactions such as rash, pruritus, and urticaria. Other reported events encompass dizziness, nausea, vomiting, somnolence, confusion, and hallucinations. Additionally, cases of agitation, respiratory depression, and serotonin syndrome have been noted. Cardiovascular effects such as increased blood pressure and tachycardia have also been observed. Hepatotoxicity and anaphylaxis are among the serious adverse reactions reported. It is important to note that other adverse reactions not listed above may also occur.

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 accidental overdose, patients should seek medical assistance or contact a Poison Control Center at 1-800-222-1222.

It is important to inform patients that this product is not recommended for use in children under 12 years of age. Additionally, patients should be cautioned against using this product if they are currently taking a prescription monoamine oxidase inhibitor (MAOI) or have taken one within the past two weeks. If patients are uncertain whether their prescription medication contains an MAOI, they should be encouraged to consult with their doctor or pharmacist prior to using this product.

Patients should be instructed 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.

While using this product, patients must be reminded not to exceed the recommended dosage. Furthermore, healthcare providers should advise patients to seek medical advice before using this product if they have a persistent or chronic cough associated with smoking, asthma, chronic bronchitis, or emphysema, or if their cough is accompanied by excessive phlegm (mucus).

Storage and Handling

The product is supplied in a configuration that includes an NDC number for identification. It should be stored at a temperature range of 20ºC to 25ºC (68ºF to 77ºF) to maintain its efficacy. It is essential to keep the product in a dry place, ensuring that it is not exposed to heat, which could compromise its integrity.

Healthcare professionals are advised to inspect the product prior to use; it should not be used if the imprinted safety seal under the cap is broken or missing, as this may indicate potential tampering or contamination.

Additional Clinical Information

Patients aged 12 years and older are advised to take 1 tablet every 4 hours with a full glass of water, ensuring that they do not exceed 6 doses within a 24-hour period. The use of this medication is not recommended for children under 12 years of age. No further information is available regarding laboratory tests, abuse potential, patient counseling, or postmarketing experiences.

Drug Information (PDF)

This file contains official product information for Mucus Relief 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 Mucus Relief 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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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.