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Mucus Dm

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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 2026
Label revision date
March 2, 2026
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 2026
Label revision date
March 2, 2026
Manufacturer
HyVee Inc
Registration number
ANDA207602
NDC root
42507-222

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Drug Overview

Mucus-DM is a medication that combines two active ingredients: guaifenesin (an expectorant that helps loosen phlegm and thin bronchial secretions) and dextromethorphan hydrobromide (a cough suppressant). This combination works to make coughs more productive by clearing mucus from your airways while also temporarily relieving cough caused by minor throat and bronchial irritation, such as that from the common cold or inhaled irritants.

By reducing the intensity of your cough and decreasing the impulse to cough, Mucus-DM can help you feel more comfortable, especially at night when you’re trying to sleep. It is designed to provide relief for up to 12 hours, making it a convenient option for managing cough and mucus-related symptoms.

Uses

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

You can also 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 helps reduce the intensity of your cough and can even 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 tablet whole—do not crush, chew, or break it. Make sure to take it with a full glass of water, which helps the tablet dissolve properly. You can take this medication at any time, regardless of whether you've eaten.

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

What to Avoid

It’s important to be cautious when considering this medication. You should not use it if you are under 12 years of age. Additionally, if you are currently taking a prescription monoamine oxidase inhibitor (MAOI)—which is a type of medication used for depression, certain psychiatric conditions, or Parkinson’s disease—or if you have stopped taking an MAOI within the last two weeks, you should also avoid this product. If you’re unsure whether your prescription includes an MAOI, please consult your doctor or pharmacist before using this medication.

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 old, and you should avoid using it if you are currently taking a monoamine oxidase inhibitor (MAOI) or have taken one in the past two weeks. If you have a persistent cough due to smoking, asthma, chronic bronchitis, or emphysema, or if your cough is accompanied by excessive mucus, consult your doctor before using this product.

If your cough lasts more than seven days, returns, or is accompanied by fever, rash, or a persistent headache, stop using the medication and seek medical advice, as these may indicate a more serious condition. In case of an overdose, it is crucial to get medical help immediately or contact a Poison Control Center at 1-800-222-1222.

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, or if you have stopped taking an MAOI within the last two weeks. If you're unsure whether your medication contains an MAOI, please consult your doctor or pharmacist.

Before using this product, 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 emergency medical help immediately or contact a Poison Control Center at 1-800-222-1222. You should also stop using this medication and call your doctor if your cough lasts more than 7 days, returns, or occurs with 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.

Don’t wait for symptoms to worsen; getting prompt assistance can be vital. Always prioritize your safety and the safety of others by acting quickly in these situations.

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

When it comes to using this medication in older adults, there is no specific information available about dosage adjustments, safety concerns, or special precautions. This means that if you or a loved one is an older adult considering this medication, it’s important to consult with a healthcare provider. They can help determine the best approach based on individual health needs and any other medications being taken. Always prioritize open communication with your healthcare team to ensure safe and effective treatment.

Renal Impairment

If you have kidney problems, it's important to know that the drug insert does not provide specific information about dosage adjustments, special monitoring, or safety considerations for your condition. This means that there are no tailored guidelines for how this medication 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 monitor your kidney function and make any necessary adjustments to your treatment plan.

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 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 20-25°C (68-77°F). This helps maintain its effectiveness and safety.

Before using the product, check that the printed foil under the cap is intact. If it is broken or missing, do not use the product, as this could compromise its safety. Always handle the product with care to ensure it remains in good condition.

Additional Information

No further information is available.

FAQ

What is Mucus-DM?

Mucus-DM is a medication that contains Guaifenesin 600 mg and Dextromethorphan Hydrobromide 30 mg in extended-release tablets.

How does Mucus-DM work?

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

Who can take Mucus-DM?

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

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

The recommended dosage is 1 or 2 tablets every 12 hours, not exceeding 4 tablets in 24 hours.

What should I do if I experience an overdose?

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

Are there any warnings associated with Mucus-DM?

Do not use Mucus-DM if you are taking a prescription monoamine oxidase inhibitor (MAOI) or for 2 weeks after stopping an MAOI. Consult a doctor if you have a persistent cough or cough with excessive phlegm.

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-DM and consult a doctor.

Can I take Mucus-DM while pregnant or breastfeeding?

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

How should I store Mucus-DM?

Store Mucus-DM between 20-25°C (68-77°F) and do not use it if the printed foil under the cap is broken or missing.

Packaging Info

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

Packaging configurations for Mucus Dm.
Details

Drug Information (PDF)

This file contains official product information for Mucus 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 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.

Limitations of use include the absence of teratogenic or nonteratogenic effects as noted in the available data.

Dosage and Administration

Patients should take the tablets with a full glass of water. It is important to note that the tablets must not be crushed, chewed, or broken prior to ingestion. This product can be administered without regard for the timing of meals.

For adults and children aged 12 years and older, the recommended dosage is 1 or 2 tablets every 12 hours, with a maximum of 4 tablets in a 24-hour period. The use of this product is not recommended for children under 12 years of age.

Contraindications

Use of this product is contraindicated in the following situations:

  • In children under 12 years of age, due to safety concerns and lack of efficacy data in this population.

  • In patients currently taking a prescription monoamine oxidase inhibitor (MAOI) or within 2 weeks of discontinuing an MAOI. The combination may lead to serious interactions, including hypertensive crises. If there is uncertainty regarding the presence of an MAOI in a prescription medication, consultation with a healthcare professional is advised.

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.

General precautions should be observed prior to use. Patients should be advised to seek medical consultation if they have a persistent or chronic cough, particularly if it is associated with smoking, asthma, chronic bronchitis, or emphysema. Furthermore, individuals experiencing a cough accompanied by excessive phlegm (mucus) should also consult a healthcare provider before using this product.

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 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 should be aware of the following adverse reactions associated with the use of this product.

Serious adverse reactions may occur, and it is crucial to discontinue use and consult a healthcare professional if the 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.

This product is contraindicated for use in children under 12 years of age and should not be used in conjunction with prescription monoamine oxidase inhibitors (MAOIs) or within 2 weeks of discontinuing such medications. Patients are advised to consult a doctor or pharmacist if they are uncertain whether their prescription includes an MAOI.

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 with persistent or chronic cough, such as that associated with smoking, asthma, chronic bronchitis, or emphysema, should seek medical advice before using this product. Additionally, those experiencing a cough accompanied by excessive phlegm (mucus) should also consult a healthcare professional prior to use.

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 Dm (dextromethorphan hydrobromide, guaifenesin). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Mucus 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

There is no specific information available regarding the use of this medication in geriatric patients, including dosage adjustments, safety concerns, or special precautions. Healthcare providers should exercise caution when prescribing this medication to elderly patients, as individual responses may vary. It is advisable to monitor these patients closely for any potential adverse effects or changes in efficacy.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional prior to using this medication. The potential risks and benefits must be carefully considered in these populations to ensure the safety of both the mother and the fetus or infant.

Lactation

Lactating mothers are advised to consult a health professional prior to using this medication. There is currently no available data regarding the excretion of this medication in human breast milk or its effects on breastfed infants. Therefore, caution is recommended when administering this medication to lactating individuals.

Renal Impairment

There is no specific information regarding renal impairment, dosage adjustments, special monitoring, or safety considerations for patients with reduced kidney function provided in the drug insert. Healthcare professionals should exercise caution when prescribing this medication to patients with renal impairment, as the absence of detailed guidance necessitates careful clinical judgment and monitoring.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in relation to this drug. Consequently, there are no established dosage adjustments, special monitoring requirements, or precautions outlined for individuals with compromised liver function. It is recommended that healthcare providers exercise caution when prescribing this medication to patients with hepatic impairment, given the lack of data on its safety and efficacy in this population. Regular monitoring of liver function may be prudent in these cases, although specific parameters are not defined in the prescribing information.

Overdosage

In the event of an overdose, it is imperative to seek immediate medical assistance or contact a Poison Control Center without delay. Healthcare professionals should advise patients or caregivers to call the Poison Control Center at 1-800-222-1222 for guidance.

Prompt intervention is crucial in managing overdose situations, as timely medical support can significantly influence outcomes. Symptoms of overdose may vary depending on the substance involved and the individual’s health status. Therefore, a thorough assessment and monitoring of the patient are essential.

Management procedures may include supportive care, symptomatic treatment, and specific antidotes if applicable. Healthcare providers should remain vigilant and prepared to implement appropriate interventions based on the clinical presentation of the patient.

Nonclinical Toxicology

If pregnant or breastfeeding, it is advised to consult a health professional prior to 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 may encompass anaphylaxis. Additionally, cases of hallucinations, confusion, agitation, increased heart rate, shortness of breath, and seizures have also been documented. It is important to note that these reactions may not be included in the product labeling.

Patient Counseling

Healthcare providers should advise patients to seek immediate medical assistance or contact a Poison Control Center at 1-800-222-1222 in the event of an overdose. It is important for patients to understand the seriousness of an overdose and the necessity of prompt action to ensure their safety.

Storage and Handling

The product is supplied in a configuration that includes specific NDC numbers, which should be referenced for accurate identification. It is essential to store the product at a temperature range of 20-25°C (68-77°F) to maintain its integrity and efficacy.

Healthcare professionals are advised to inspect the product prior to use; it should not be utilized if the printed foil under the cap is broken or missing, as this may indicate compromised safety or quality. Proper handling and storage conditions are crucial to ensure the product remains effective and safe for patient use.

Additional Clinical Information

No further data are available.

Drug Information (PDF)

This file contains official product information for Mucus 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 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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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.