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Marcs Mucus Relief

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Active ingredient
Guaifenesin 400 mg
Other brand names
Drug class
Expectorant
Dosage form
Tablet
Route
Oral
Prescription status
OTC (over the counter)
Pregnancy
See Pregnancy Use Section
Lactation
See Lactation Use Section
Marketed in the U.S.
Since 2020
Label revision date
December 18, 2024
Drug Information (PDF)
Prescribing information, PDF file
Active ingredient
Guaifenesin 400 mg
Other brand names
Drug class
Expectorant
Dosage form
Tablet
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 2020
Label revision date
December 18, 2024
Manufacturer
Marc Glassman Inc
Registration number
M012
NDC root
68998-845
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

This medication is designed to help loosen phlegm (mucus) and thin bronchial secretions, making it easier for you to clear mucus from your airways. By doing so, it helps make your coughs more productive, allowing you to expel bothersome mucus more effectively. This can be particularly helpful if you're dealing with respiratory issues that involve congestion.

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 bronchial passageways.

Additionally, it makes your coughs more productive, meaning that when you do cough, it can help you expel mucus more effectively. This can be particularly helpful if you're dealing with respiratory issues that involve congestion.

Dosage and Administration

When you need relief, adults and children aged 12 and older can take 1 tablet every 4 hours as needed. If you're giving this medication to children between the ages of 6 and 10, they should take only half a tablet every 4 hours as needed. For children under 6 years old, it's important to consult a doctor before giving them this medication.

Remember, regardless of age, you should not exceed 6 doses in a 24-hour period unless directed otherwise by a doctor. This helps ensure safe and effective use of the medication.

What to Avoid

It's important to be aware of certain situations when using this medication. You should stop using it and consult your doctor if you experience symptoms like fever, rash, or a persistent headache. Additionally, if your cough lasts more than a week or keeps coming back, it's essential to seek medical advice.

While there are no specific contraindications or concerns about abuse, misuse, or dependence associated with this medication, always prioritize your health and safety by following these guidelines.

Side Effects

If you are considering using this medication, it's important to consult your doctor first if you have a persistent or chronic cough, especially if it is related to smoking, asthma, bronchitis, or emphysema. Additionally, if your cough is accompanied by excessive mucus, you should also seek medical advice.

You should stop using the medication and contact your doctor if you experience symptoms like fever, rash, or a persistent headache. If your cough lasts more than a week or keeps coming back, it may indicate a more serious health issue that needs attention.

Warnings and Precautions

Before using this medication, it's important to consult your doctor if you have a persistent or chronic cough, especially if it's related to smoking, asthma, bronchitis, or emphysema. Additionally, if your cough comes with excessive phlegm (mucus), you should also seek medical advice.

To ensure safety, keep this medication out of reach of children. If you suspect an overdose, seek medical help or contact a Poison Control Center right away. You should stop taking the medication and call your doctor if you experience symptoms like fever, rash, or a persistent headache. Also, if your cough lasts more than a week or keeps coming back, it's crucial to consult your doctor, as this could indicate a more serious health issue.

Overdose

If you suspect an overdose, it's important to stay calm and take immediate action. While there is no specific information available about the signs or symptoms of an overdose for this medication, general signs may include unusual drowsiness, confusion, or difficulty breathing.

If you notice any of these symptoms or have concerns about a possible overdose, seek medical help right away. Contact your healthcare provider or go to the nearest emergency room for assistance. Always remember that it's better to be safe and get checked if you think something might be wrong.

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

When giving this medication to children, it's important to follow specific guidelines based on their age. For children aged 12 and older, you can administer 1 tablet every 4 hours as needed. If your child is between 6 and 10 years old, the recommended dose is 1/2 tablet every 4 hours. For children under 6 years of age, you should consult a doctor before giving them this medication.

Always remember not to exceed 6 doses in a 24-hour period unless directed by a healthcare professional. Additionally, keep this medication out of reach of children to ensure their safety.

Geriatric Use

While there is no specific information about how this medication should be used by older adults, it's important to approach any new treatment with caution. If you or a loved one is an older adult, be sure to discuss any potential risks or concerns with your healthcare provider. They can help determine the best approach for your individual health needs, especially if there are existing health conditions or medications involved. Always prioritize safety and open communication with your medical team.

Renal Impairment

If you have kidney problems, it's important to know that there are no specific guidelines or dosage adjustments mentioned for your condition in the available information. This means that the usual recommendations for monitoring or safety considerations related to renal impairment (kidney issues) are not provided.

Always consult your healthcare provider for personalized advice and to ensure that any medications you take are safe and appropriate for your kidney health. They can help you understand how your condition may affect your treatment plan.

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 apply, but you should always consult your healthcare provider for personalized advice. They can help determine the best approach for your treatment and monitor your liver function as needed.

Make sure to keep your doctor informed about your liver health, as they may want to conduct regular liver function tests (which check how well your liver is working) to ensure your safety while using any medication.

Drug Interactions

It's important to have open conversations with your healthcare provider about any medications or tests you may be taking. In this case, there are no known drug interactions or laboratory test interactions associated with the medication. However, every individual is different, and your healthcare provider can help ensure that your treatment is safe and effective for you. Always feel free to ask questions and share your complete list of medications and any tests you may be undergoing.

Storage and Handling

To ensure the best performance and safety of your product, store it in a cool, dry place at a temperature between 15°-30°C (59°-86°F). This temperature range helps maintain the integrity of the device.

When handling the product, be sure to follow any specific instructions provided to avoid contamination or damage. Always keep it in a clean environment to ensure it remains safe for use. If you have any questions about disposal or further handling, consult the guidelines provided with your product.

Additional Information

For adults and children aged 12 and older, you can take 1 tablet every 4 hours as needed. If your child is between 6 and 10 years old, they should take 1/2 tablet every 4 hours as needed. For children under 6 years old, it's important to consult a doctor before giving any medication. Remember not to exceed 6 doses in a 24-hour period unless directed by a doctor.

There is no additional information available regarding laboratory tests, abuse potential, patient counseling, or postmarketing experiences.

FAQ

What does this drug do?

This drug helps loosen phlegm (mucus) and thin bronchial secretions, making coughs more productive.

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

Adults and children 12 years of age and over should take 1 tablet every 4 hours as needed, not exceeding 6 doses in a 24-hour period.

What is the dosage for children aged 6 to 10?

Children aged 6 to 10 years should take 1/2 tablet every 4 hours as needed, also not exceeding 6 doses in a 24-hour period.

What should I do if my child is under 6 years old?

If your child is under 6 years of age, you should consult a doctor before use.

Are there any contraindications for this drug?

No contraindications are listed for this drug.

What should I do if I experience side effects?

Stop use and ask a doctor if symptoms are accompanied by fever, rash, or persistent headache, or if a cough persists for more than 1 week.

Is this drug safe to use during pregnancy or breastfeeding?

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

What precautions should I take when using this drug?

Keep this drug out of reach of children and seek medical help in case of overdose.

What should I do if I have a persistent cough?

You should ask a doctor before use if you have a persistent or chronic cough, especially if it is accompanied by excessive phlegm.

What is the storage requirement for this drug?

Store the drug at 15°-30°C (59°-86°F).

Packaging Info

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

Packaging configurations for Marcs Mucus Relief.
Details

Drug Information (PDF)

This file contains official product information for Marcs Mucus Relief, including active ingredients, dosage, warnings, and labeling as submitted by the manufacturer for OTC distribution.

View product document (PDF)

Description

The product is identified by the SPL code 34089-3. No specific description details are provided in the text.

Uses and Indications

This drug is indicated for the management of conditions associated with excessive mucus production in the respiratory tract. It helps to loosen phlegm (mucus) and thin bronchial secretions, facilitating the clearance of bothersome mucus from the bronchial passageways. Additionally, this medication aids in making coughs more productive.

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

Dosage and Administration

Adults and children 12 years of age and over are instructed to take 1 tablet every 4 hours as needed. For children aged 6 to 10 years, the recommended dosage is 1/2 tablet every 4 hours as needed. It is essential that parents or guardians consult a doctor for children under 6 years of age before administration.

Healthcare professionals should advise patients not to exceed 6 doses within a 24-hour period, unless otherwise directed by a physician. Proper adherence to these guidelines is crucial for safe and effective use of the medication.

Contraindications

There are no specific contraindications listed for this product. However, it is advised to discontinue use and consult a healthcare professional if symptoms are accompanied by fever, rash, or persistent headache. Additionally, if a cough persists for more than one week or tends to recur, medical advice should be sought.

Warnings and Precautions

Patients should consult a healthcare professional prior to use if they have a persistent or chronic cough, particularly in cases associated with smoking, asthma, bronchitis, or emphysema. Additionally, if the cough is accompanied by excessive phlegm (mucus), medical advice should be sought.

It is imperative to keep this medication out of the reach of children. In the event of an overdose, immediate medical assistance should be obtained, or the Poison Control Center should be contacted without delay.

Patients are advised to discontinue use and consult their healthcare provider if any of the following occur: symptoms are accompanied by fever, rash, or a persistent headache; the cough persists for more than one week; or if the cough tends to recur. A persistent cough may indicate a serious underlying condition that requires further evaluation.

Side Effects

Patients should be aware of certain warnings and recommendations regarding the use of this medication. It is advised that individuals consult their doctor prior to use if they have a persistent or chronic cough, particularly if it is associated with conditions such as smoking, asthma, bronchitis, or emphysema. Additionally, patients should seek medical advice if their cough is accompanied by excessive phlegm (mucus).

Patients are also instructed to discontinue use and consult a doctor if they experience symptoms such as fever, rash, or a persistent headache. Furthermore, if a cough persists for more than one week or tends to recur, it is important to seek medical attention, as a persistent cough may indicate a serious underlying condition.

Drug Interactions

There are no reported drug interactions associated with the use of this medication. Additionally, no interactions with laboratory tests have been identified. Therefore, no dosage adjustments or monitoring recommendations are necessary based on drug interactions.

Packaging & NDC

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

Packaging configurations for Marcs Mucus Relief.
Details

Pediatric Use

Pediatric patients aged 12 years and older may take 1 tablet every 4 hours as needed, with a maximum of 6 doses in a 24-hour period or as directed by a physician. For children aged 6 to 10 years, the recommended dosage is 1/2 tablet every 4 hours as needed, also not to exceed 6 doses in a 24-hour period or as directed by a healthcare provider.

For children under 6 years of age, consultation with a doctor is advised prior to administration. It is important to keep this medication out of reach of children to prevent accidental ingestion.

Geriatric Use

There is no specific information 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. Monitoring for potential adverse effects and therapeutic efficacy is recommended in this population.

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 associated with the use of this drug during pregnancy and lactation. Healthcare providers can offer guidance based on individual circumstances and the latest clinical data.

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

Patients with renal impairment have not been specifically addressed in the available data regarding dosage adjustments, special monitoring, or safety considerations. Therefore, healthcare professionals should exercise caution when prescribing this medication to patients with reduced kidney function, as the lack of information necessitates careful clinical judgment and monitoring.

Hepatic Impairment

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

Overdosage

In the absence of specific information regarding overdosage, healthcare professionals are advised to exercise caution and adhere to general principles of management in cases of suspected overdose.

It is essential to monitor the patient closely for any potential symptoms that may arise from an overdose. Symptoms can vary widely depending on the substance involved and the individual patient's response.

In the event of an overdose, the following management procedures should be considered:

  1. Assessment: Conduct a thorough assessment of the patient's clinical status, including vital signs and level of consciousness.

  2. Supportive Care: Provide supportive care as needed, which may include airway management, oxygen supplementation, and intravenous fluids.

  3. Consultation: Engage with a poison control center or a medical toxicologist for guidance on specific interventions and antidotes, if applicable.

  4. Documentation: Document all findings, interventions, and the patient's response to treatment meticulously.

Healthcare professionals should remain vigilant and prepared to implement appropriate measures in the event of an overdose, even in the absence of specific guidelines.

Nonclinical Toxicology

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

Postmarketing Experience

No postmarketing experience details are available in the insert text.

Patient Counseling

Healthcare providers should advise patients to keep the medication out of reach of children to prevent accidental ingestion. In the event of an overdose, patients should be instructed to seek medical help or contact a Poison Control Center immediately.

Patients should be informed to stop using the medication and consult their doctor if they experience symptoms accompanied by fever, rash, or a persistent headache. Additionally, if a cough persists for more than one week or tends to recur, patients should be encouraged to seek medical advice, as a persistent cough may indicate a serious underlying condition.

Storage and Handling

The product is supplied in various package configurations, with specific NDC numbers available for identification. It is essential to store the product at a temperature range of 15° to 30°C (59° to 86°F) to maintain its integrity and efficacy. Proper storage conditions must be adhered to, ensuring that the product is kept within the specified temperature limits to prevent degradation.

Additional Clinical Information

Patients aged 12 years and older are advised to take 1 tablet every 4 hours as needed, while children aged 6 to 10 years should take 1/2 tablet every 4 hours as needed. For children under 6 years of age, consultation with a doctor is recommended. It is important for patients to not exceed 6 doses within a 24-hour period unless directed by a healthcare professional.

Drug Information (PDF)

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

Learn more in our Editorial Policy

Last AI update:

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.