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Mucus Relief Dm

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This product has been discontinued

Active ingredients
  • Guaifenesin 400 mg
  • Dextromethorphan Hydrobromide 20 mg
Other brand names
Dosage form
Capsule, Liquid Filled
Route
Oral
Prescription status
OTC (over the counter)
Pregnancy
See Pregnancy Use Section
Lactation
See Lactation Use Section
Marketed in the U.S.
Since 2015
Label revision date
January 19, 2026
Drug Information (PDF)
Prescribing information, PDF file
Active ingredients
  • Guaifenesin 400 mg
  • Dextromethorphan Hydrobromide 20 mg
Other brand names
Dosage form
Capsule, Liquid Filled
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Pregnancy
See Pregnancy Use Section
Lactation
See Lactation Use Section
Marketed in the U.S.
Since 2015
Label revision date
January 19, 2026
Manufacturer
Walgreens
Registration number
M012
NDC root
0363-9897
Drug Information (PDF)
Prescribing information, PDF file
Packaging Info
Packaging & NDC Codes

If you are a healthcare professional or from the pharmaceutical industry please visit this version.

If you are a consumer or patient please visit this version.

Drug Overview

Mucus Relief DM is a medication that combines two active ingredients: guaifenesin (an expectorant) and dextromethorphan HBr (a cough suppressant). Guaifenesin helps to loosen phlegm (mucus) and thins bronchial secretions, making your coughs more productive. Dextromethorphan works to control your cough, providing relief when you need it.

This medication is available in a convenient softgel form, making it easy to swallow. By working together, these ingredients help you manage symptoms associated with mucus buildup and coughing, allowing for easier breathing and comfort.

Uses

If you're dealing with a cough or congestion, this medication can be quite helpful. It works by loosening phlegm (a type of mucus) and thinning bronchial secretions, which can make your coughs more productive. This means that when you do cough, it can help clear out mucus more effectively.

In addition to helping with mucus, this medication also helps control your cough, making it easier for you to breathe and feel more comfortable. Overall, it’s designed to support your respiratory health by addressing both mucus and cough symptoms.

Dosage and Administration

If you are an adult or a child aged 12 years and older, you should take one softgel with a full glass of water every four hours as long as your symptoms continue. It's important not to take more than six doses in a 24-hour period to ensure your safety.

For children under 12 years of age, this medication is not recommended, so please avoid using it for younger children. Always remember to stay hydrated by drinking a full glass of water with each dose.

What to Avoid

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 must wait at least 2 weeks after stopping an MAOI before using it. If you're unsure whether your medication contains an MAOI, please consult your doctor or pharmacist.

While using this product, it's important to follow the recommended dosage and not to use it for more than 7 days. Exceeding the recommended amount or using it for an extended period can lead to serious issues, including the potential for misuse or dependence (a condition where your body becomes reliant on a substance). Always prioritize your safety and well-being by adhering to these guidelines.

Side Effects

You should be aware of some important side effects and warnings associated with this medication. Do not use it if you are currently taking a monoamine oxidase inhibitor (MAOI), which is a type of medication for depression or certain other conditions, or if you have stopped taking an MAOI within the last two weeks. If you have a cough with excessive mucus or a chronic cough due to smoking, asthma, or other lung conditions, consult your doctor before using this product.

While using this medication, it’s crucial not to exceed the recommended dosage or use it for more than seven days. If your cough lasts longer than seven days, comes back, or is accompanied by fever, rash, or a persistent headache, stop using the product and seek medical advice, as these may indicate a more serious issue. If you are pregnant or breastfeeding, please consult a healthcare professional before use. In case of an accidental overdose, seek medical help immediately or contact a Poison Control Center.

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. Additionally, you should wait at least two weeks after stopping an MAOI before using this product. If you're unsure whether your medication contains an MAOI, please consult your doctor or pharmacist.

Before using this product, it's important to talk to your doctor if you have a cough that produces a lot of mucus or if you have a persistent cough due to smoking, asthma, chronic bronchitis, or emphysema. If you accidentally take too much of this product, seek emergency medical help or contact a Poison Control Center immediately.

You should stop using this product and call your doctor if your cough lasts more than seven days, comes back, or is accompanied by fever, rash, or a persistent headache, as these may indicate a more serious health issue.

Overdose

If you suspect an accidental overdose, it’s important to seek medical help immediately or contact a Poison Control Center. Signs of an overdose can vary, but they may include unusual symptoms that are not typical for you.

Always err on the side of caution—if you notice anything concerning or if you’re unsure, don’t hesitate to reach out for professional assistance. Your health and safety are 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

It’s important to know that this medication is not recommended for children under 12 years of age. If you have a child in this age group, you should avoid using this medication and consult your healthcare provider for alternative options. Always prioritize your child's safety and well-being when considering any treatment.

Geriatric Use

When it comes to using this medication, there are no specific guidelines or recommendations for older adults mentioned in the drug insert. This means that the information does not address any particular age-related considerations, dosage adjustments, or safety precautions that might be necessary for elderly patients.

As always, it's important for you or your caregiver to discuss any concerns with your healthcare provider, especially if you are an older adult or have specific health conditions. Your doctor can help ensure that this medication is safe and appropriate for your individual needs.

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 may affect you 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 (liver issues).

Before starting any new medication, including this one, you should discuss your liver health with your healthcare provider. They can help determine the best approach for your treatment and ensure your safety.

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 recent lab tests to avoid any potential issues. Your health and safety should always come first.

Storage and Handling

To ensure the best performance of your product, store it at a temperature of 25°C (77°F), allowing for brief fluctuations between 15°C and 30°C (59°F - 86°F). It's important to keep the product in a dry location and avoid exposing it to heat, as this can affect its effectiveness.

When handling the product, always do so with clean hands and in a clean environment to maintain its integrity. Following these guidelines will help ensure that the product remains safe and effective for your use.

Additional Information

You should take this medication orally, with one softgel every four hours as long as your symptoms continue. Make sure to drink a full glass of water with each dose, and do not exceed six doses in a 24-hour period. If you are pregnant or breastfeeding, consult a healthcare professional before using this product.

It's important to keep this medication out of reach of children. In case of an accidental overdose, seek medical help or contact a Poison Control Center immediately. If you experience any side effects, you can report them by calling 1-888-333-9792.

FAQ

What is Mucus Relief DM?

Mucus Relief DM is a medication that contains GUAIFENESIN 400 mg (an expectorant) and DEXTROMETHORPHAN HBr 20 mg (a cough suppressant).

How does Mucus Relief DM work?

It helps loosen phlegm (mucus) and thins bronchial secretions, making coughs more productive while controlling cough.

Who can take Mucus Relief DM?

Adults and children 12 years of age and older can take it, but it should not be used by children under 12 years of age.

What is the recommended dosage for adults?

Take 1 softgel every 4 hours with a full glass of water while symptoms persist, and do not exceed 6 doses in 24 hours.

Are there any contraindications for Mucus Relief DM?

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

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

Stop use and ask a doctor if your cough lasts for more than 7 days, recurs, or is accompanied by fever, rash, or persistent headache.

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

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

What should I do in case of an accidental overdose?

Get medical help or contact a Poison Control Center right away in case of accidental overdose.

How should I store Mucus Relief DM?

Store at 25°C (77°F) with excursions between 15° - 30°C (59° - 86°F) in a dry place and avoid exposure to heat.

Packaging Info

Below are the non-prescription pack sizes of Mucus Relief Dm (guaifenesin and dextromethorphan hydrobromide). 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 management of respiratory conditions characterized by excessive mucus production. It helps to loosen phlegm (mucus) and thins bronchial secretions, thereby facilitating more productive coughs. Additionally, this drug provides control of cough, contributing to improved respiratory function.

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 one softgel every four hours while symptoms persist, accompanied by a full glass of water. It is imperative not to exceed six 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 patients currently taking a prescription monoamine oxidase inhibitor (MAOI) for depression, psychiatric, or emotional conditions, or Parkinson's disease, and for a period of 2 weeks following the discontinuation of an MAOI. Patients should consult a healthcare professional if uncertain whether their prescription medication contains an MAOI.

Additionally, the product should not be used in excess of the recommended dosage or for a duration exceeding 7 days.

Warnings and Precautions

The use of this product is contraindicated in individuals currently taking a prescription monoamine oxidase inhibitor (MAOI), which includes certain medications prescribed for depression, psychiatric or emotional conditions, or Parkinson's disease. Additionally, it should not be used for a period of two weeks following the discontinuation of an MAOI. Healthcare professionals should advise patients to consult with a doctor or pharmacist if they are uncertain whether their prescription medication contains an MAOI.

General precautions should be observed prior to use. Patients should be instructed to seek medical advice if they experience a cough accompanied by excessive phlegm (mucus) or if they have a persistent or chronic cough, particularly in cases associated with smoking, asthma, chronic bronchitis, or emphysema.

In the event of an accidental overdose, immediate medical assistance should be sought, or the Poison Control Center should be contacted without delay.

Patients are advised to discontinue use and consult a healthcare provider if their cough persists for more than seven days, recurs, or is accompanied by symptoms such as fever, rash, or a persistent headache, as these may indicate a serious underlying condition.

Side Effects

Patients should be aware of the potential adverse reactions associated with this product. Serious warnings include the contraindication of use in individuals currently taking a prescription monoamine oxidase inhibitor (MAOI) or within 2 weeks of discontinuing such medication. Patients are advised to consult a healthcare professional if they are uncertain whether their prescription contains an MAOI.

Common adverse reactions may arise in patients with specific pre-existing conditions. Individuals experiencing a cough accompanied by excessive phlegm, or those with persistent or chronic coughs due to smoking, asthma, chronic bronchitis, or emphysema should seek medical advice before using this product.

During the use of this product, it is crucial for patients to adhere to the recommended dosage and to limit usage to no more than 7 days. Patients should discontinue use and consult a healthcare provider if their cough persists beyond 7 days, recurs, or is accompanied by symptoms such as fever, rash, or persistent headache, as these may indicate a serious underlying condition.

Additional considerations include the need for pregnant or breastfeeding individuals to consult a healthcare professional prior to use. In the event of an accidental overdose, patients should seek immediate medical assistance or contact a Poison Control Center.

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 (guaifenesin and dextromethorphan hydrobromide). 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. Safety and efficacy have not been established in this population, and use is contraindicated. Healthcare professionals are advised to consider alternative treatments for pediatric patients within this age range.

Geriatric Use

Geriatric patients have not been specifically addressed in the provided drug insert. Consequently, there are no recommended age considerations, dosage adjustments, safety concerns, or special precautions outlined for this population. Healthcare providers should exercise clinical judgment when prescribing this medication to elderly patients, considering individual patient factors and potential risks associated with pharmacotherapy in this age group. Regular monitoring and assessment may be warranted to ensure safety and efficacy in geriatric patients.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional prior to using this medication. It is essential to evaluate the potential risks and benefits associated with the use of this drug during pregnancy and lactation. Healthcare providers should consider the available data and individual patient circumstances when advising on the use of this medication in these populations.

Lactation

Lactating mothers are advised to consult a healthcare 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 have no specific information regarding dosage adjustments, special monitoring, or safety considerations provided in the drug insert. Therefore, healthcare professionals should exercise caution when prescribing this medication to individuals with reduced kidney function, as the lack of data necessitates careful clinical judgment.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in relation to this medication. Consequently, there are no 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 accidental overdose, it is imperative to seek immediate medical assistance or contact a Poison Control Center without delay. Prompt action is crucial to mitigate potential adverse effects associated with overdosage.

Healthcare professionals should be aware that symptoms of overdose may vary depending on the specific substance involved. Therefore, a thorough assessment of the patient's condition is essential.

Management of an overdose typically involves supportive care and symptomatic treatment. The healthcare provider should monitor the patient closely and implement appropriate interventions based on the clinical presentation.

In all cases of suspected overdose, timely communication with poison control and adherence to established treatment protocols are vital to ensure patient safety and effective management.

Nonclinical Toxicology

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

Postmarketing Experience

Reports of side effects have been received through voluntary submissions and surveillance programs. Healthcare professionals and patients are encouraged to report any adverse events to the designated contact number, 1-888-333-9792.

Patient Counseling

Healthcare providers should advise patients to keep this product out of reach of children and to seek immediate medical assistance or contact a Poison Control Center in the event of an accidental overdose.

Patients should be informed not to 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. They should also refrain from using this product for at least 2 weeks after discontinuing an MAOI. If patients are uncertain whether their prescription medication contains an MAOI, they should be encouraged to consult with their doctor or pharmacist.

Healthcare providers should instruct patients to discontinue use and consult a doctor if their cough persists for more than 7 days, recurs, or is accompanied by symptoms such as fever, rash, or a persistent headache, as these may indicate a serious underlying condition.

While using this product, patients must be cautioned not to exceed the recommended dosage and to limit use to no more than 7 days. Additionally, providers should recommend that patients consult a doctor before using this product if they have a cough that is accompanied by excessive phlegm (mucus) or if they have a persistent or chronic cough, such as that associated with smoking, asthma, chronic bronchitis, or emphysema.

Storage and Handling

The product is supplied in various package configurations, with specific NDC numbers available for identification. It should be stored at a controlled room temperature of 25°C (77°F), with permissible excursions between 15°C and 30°C (59°F and 86°F).

It is essential to keep the product in a dry place, ensuring that it is not exposed to heat to maintain its integrity and efficacy. Proper handling and storage conditions are crucial for preserving the quality of the product.

Additional Clinical Information

Patients should take the medication orally, with one softgel every four hours as needed, ensuring not to exceed six doses within a 24-hour period. It is advised to take the softgel with a full glass of water while symptoms persist.

Clinicians should counsel patients to consult a health professional if they are pregnant or breastfeeding before use. Additionally, it is crucial to keep the medication out of reach of children. In the event of an accidental overdose, patients should seek medical assistance or contact a Poison Control Center immediately. For reporting side effects, patients can reach out to 1-888-333-9792.

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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Primary FDA sources:

Orange Book data shown on this page are limited to Regulatory Status (Rx), Established Pharmacologic Class (EPC), and Mechanism of Action (MoA).

Regulatory data notice: Information on this page is reproduced verbatim from FDA public databases (NSDE, Orange Book, Purple Book, DailyMed SPL). NDA/ANDA drugs are FDA-approved, BLA biologics are FDA-licensed. Inclusion alone does not guarantee current market availability or imply FDA endorsement.

Medical disclaimer: This AI-generated content is provided for educational purposes only and does not constitute medical advice. Always consult a licensed healthcare professional for diagnosis or treatment decisions.