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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 2024
Label revision date
December 26, 2025
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 2024
Label revision date
December 26, 2025
Manufacturer
Pioneer Life Sciences, LLC
Registration number
M012
NDC root
72090-027

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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 especially 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 a child 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 for depression, psychiatric conditions, or Parkinson’s disease. You must also wait at least two weeks after stopping an MAOI before using this product. If you are unsure whether your prescription includes an MAOI, please consult your doctor or pharmacist.

It's important to follow the dosage instructions carefully and not exceed the recommended amount. Always prioritize your safety by adhering to these guidelines.

Side Effects

If you experience a cough that lasts more than 7 days, returns after disappearing, 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 producing excessive mucus, it's important to discuss these symptoms with your healthcare provider.

Warnings and Precautions

It's important to be cautious when using this medication. You should not give it to children under 12 years old. 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 you're unsure whether your medication contains an MAOI, please consult your doctor or pharmacist.

If you accidentally take too much of this medication, seek emergency medical help or contact a Poison Control Center at 1-800-222-1222. You should also 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 important to be aware of the general signs of an overdose, which can include symptoms like extreme drowsiness, confusion, or difficulty breathing. If you suspect an overdose, it is crucial to seek immediate medical help.

In case of an emergency, call your local emergency number or go to the nearest hospital. Always keep medications out of reach of children and follow the prescribed dosage to prevent any potential risks. If you have any concerns or questions about your medication, don’t hesitate to reach out to your healthcare provider for guidance.

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

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, it’s important to consult with a healthcare provider for personalized advice. 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 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 50 mL/min, your doctor may recommend a reduced dose of your medication. Additionally, if you have severe renal impairment, special monitoring will be necessary to manage your health effectively. Always discuss any concerns with your healthcare provider to ensure you receive the best care tailored to your needs.

Hepatic Impairment

If you have liver 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 change based on liver function. However, it’s always a good idea to discuss your liver health with your healthcare provider before starting any new medication. They can help ensure that your treatment is safe and effective for you.

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 tests you might be undergoing. This way, you can avoid any potential issues and ensure the best possible care.

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

You should take this medication orally. For adults and children aged 12 and older, the recommended dose is 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.

If you are pregnant or breastfeeding, consult a healthcare professional before using this medication. Always keep it out of reach of children. In case of accidental overdose, seek medical help immediately or contact a Poison Control Center at 1-800-222-1222.

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 should not use Mucus Relief DM?

Do not use Mucus Relief DM for children under 12 years of age or if you are taking a prescription monoamine oxidase inhibitor (MAOI) or have taken one in the last two weeks.

What is the recommended dosage for adults and children over 12?

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.

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 use and consult a doctor as these could be signs of a serious illness.

Can I use Mucus Relief DM if I am pregnant or breastfeeding?

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

What should I do in case of an accidental overdose?

In case of accidental overdose, seek medical help or contact a Poison Control Center at 1-800-222-1222.

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 clearance of mucus from the bronchial passageways and making coughs more productive.

Additionally, this drug temporarily relieves the intensity of coughing and the impulse to cough, which may help patients achieve restful 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.

  • Patients currently taking a prescription monoamine oxidase inhibitor (MAOI) or those who have discontinued MAOI therapy within the past 2 weeks. MAOIs are commonly prescribed for depression, psychiatric or emotional conditions, or Parkinson’s disease. If there is uncertainty regarding the presence of an MAOI in a prescription medication, consultation with a healthcare professional is advised.

Additionally, the product should not be used in excess of the recommended dosage.

Warnings and Precautions

Healthcare professionals should be aware of the following warnings and precautions associated with the use of this product.

General precautions must be observed, particularly regarding the age of the patient. This product is not indicated for use in children under 12 years of age. Additionally, it is contraindicated for individuals currently taking a prescription monoamine oxidase inhibitor (MAOI), which includes certain medications prescribed for depression, psychiatric or emotional conditions, or Parkinson’s disease. Patients should refrain from using this product for at least two weeks after discontinuing an MAOI. If there is uncertainty regarding the presence of an MAOI in a prescription medication, 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. Healthcare professionals are advised to contact a Poison Control Center at 1-800-222-1222 for guidance.

Patients should be instructed to discontinue use and consult a healthcare provider 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 medical 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 reactions, participants may experience persistent or chronic cough, which can be associated with conditions such as smoking, asthma, chronic bronchitis, or emphysema. Furthermore, a cough that is accompanied by excessive phlegm (mucus) may also occur. These adverse reactions should be monitored closely, and patients are advised to seek medical advice if they experience any concerning symptoms.

Drug Interactions

There are currently no documented drug interactions associated with the use of 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, including dosage adjustments, safety concerns, or special precautions. Therefore, healthcare providers should exercise caution when prescribing this medication to geriatric patients. It is advisable to monitor these patients closely for any potential adverse effects or changes in efficacy, given the lack of targeted data for this population.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional prior to using this medication. The potential risks and benefits must be carefully weighed, as the effects on fetal outcomes and lactation are not fully established. It is essential for women of childbearing potential to seek medical advice to ensure 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 no specific data available regarding the excretion of this medication in 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 may require dosage adjustments to ensure safety and efficacy. It is essential to monitor renal function tests regularly in patients with compromised kidney function. For patients with a creatinine clearance of less than 50 mL/min, reduced doses should be considered. Additionally, special monitoring is advised for patients with severe renal impairment to mitigate potential risks associated with treatment.

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 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

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 monitor patients closely for any unusual symptoms or adverse effects that may arise following administration.

In the event of suspected overdosage, it is recommended that healthcare providers initiate supportive care and symptomatic treatment as necessary. Continuous monitoring of vital signs and clinical status is essential to ensure patient safety.

Healthcare professionals should also consider consulting a poison control center or a medical toxicologist for guidance on management strategies tailored to the individual patient's needs.

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 several adverse reactions reported voluntarily or through surveillance programs. These include dizziness, nausea, vomiting, rash, and allergic reactions, which encompass anaphylaxis. Additionally, cases of hallucinations, confusion, agitation, increased heart rate, and shortness of breath have also been documented. These reactions were observed during the postmarketing surveillance of the product.

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 stopped taking an MAOI within the past two weeks. If patients are uncertain whether their prescription medication contains an MAOI, they should consult with a 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 adhere to the recommended dosage and should not exceed the directed amount. Healthcare providers should also encourage 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. Furthermore, patients should be advised to consult a doctor 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 tampering or contamination. Proper adherence to these storage and handling guidelines is crucial for ensuring the product's safety and effectiveness.

Additional Clinical Information

The medication is administered orally. For adults and children aged 12 years and older, the recommended dosage is one tablet every four hours, taken with a full glass of water, with a maximum of six doses within a 24-hour period. Use is not recommended for children under 12 years of age.

Clinicians should advise patients who are pregnant or breastfeeding to consult a health professional prior to use. It is crucial to keep the medication out of reach of children, and in the event of an accidental overdose, patients should seek medical assistance or contact a Poison Control Center at 1-800-222-1222.

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.