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Mucus Relief

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Active ingredient
Guaifenesin 600 mg
Other brand names
Drug class
Expectorant
Dosage form
Tablet, Extended Release
Route
Oral
Prescription status
OTC (over the counter)
Pregnancy
See Pregnancy Use Section
Lactation
See Lactation Use Section
Marketed in the U.S.
Since 2025
Label revision date
December 22, 2025
Drug Information (PDF)
Prescribing information, PDF file
Active ingredient
Guaifenesin 600 mg
Other brand names
Drug class
Expectorant
Dosage form
Tablet, Extended Release
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 2025
Label revision date
December 22, 2025
Manufacturer
Pioneer Life Sciences, LLC
Registration number
ANDA213420
NDC root
72090-011
Drug Information (PDF)
Prescribing information, PDF file
Packaging Info (2 NDCs)
Packaging & NDC Codes (2)

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

GC Mucus Relief is a medication designed to help you manage mucus in your airways. It works by loosening phlegm (mucus) and thinning bronchial secretions, making it easier for you to clear your bronchial passageways of bothersome mucus. This can help make your coughs more productive, allowing you to breathe more comfortably.

Uses

This medication is designed to help you breathe easier by loosening phlegm (a type of mucus) and thinning bronchial secretions. By doing so, it helps clear out bothersome mucus from your bronchial passageways, making your coughs more productive. This can be particularly helpful if you're dealing with respiratory issues that involve excess mucus.

Rest assured, there are no known teratogenic effects (which means it doesn't cause birth defects) associated with this medication, making it a safer option for those concerned about such risks.

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 your meal schedule.

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

What to Avoid

It's important to be aware of specific guidelines when considering this medication. You should not use it for children under 12 years of age, as it may not be safe for them.

Currently, there are no specified contraindications, controlled substance classifications, or noted risks of abuse, misuse, or dependence (a condition where your body becomes reliant on a substance). Always consult with your healthcare provider if you have any questions or concerns about using this medication.

Side Effects

You should be aware that this medication is not recommended for children under 12 years of age. Before using it, consult 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 your cough lasts more than 7 days, returns, or is accompanied by fever, rash, or a persistent headache, you should stop using the medication and seek medical advice, as these symptoms may indicate a more serious condition.

Warnings and Precautions

You should not use this medication if you are under 12 years old. Before using it, consult your doctor if you have a long-lasting cough due to smoking, asthma, chronic bronchitis, or emphysema, or if your cough is producing a lot of mucus.

If your cough lasts more than 7 days, returns, or is accompanied by fever, rash, or a persistent headache, stop taking the medication and contact your doctor, as these may indicate a more serious condition. In the event of an overdose, seek emergency medical help or call a Poison Control Center immediately at 1-800-222-1222.

Overdose

If you suspect an overdose, it’s crucial to seek medical help immediately. You can contact a Poison Control Center at 1-800-222-1222 for guidance. Signs of an overdose can vary, but they may include unusual drowsiness, confusion, or difficulty breathing.

Always err on the side of caution—if you notice any concerning symptoms or if you’re unsure, don’t hesitate to get help right away. 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 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 before starting the medication. 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 information provided does not include specific guidelines for dosage adjustments, special monitoring, or safety considerations related to renal impairment (kidney issues). This means that there are no tailored recommendations for how your treatment may need to change based on your kidney function.

Always consult your healthcare provider for personalized advice and to ensure that your treatment plan is safe and effective for your specific situation. They can help monitor your kidney health and make any necessary adjustments to your medications.

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).

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. Currently, there are no specific drug interactions or laboratory test interactions noted for this medication. However, every individual’s health situation is unique, and your provider can help ensure that your treatment plan is safe and effective for you. Always feel free to ask questions and share all the medications and supplements you are using to avoid any potential issues.

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 temperature range helps maintain the product's effectiveness and safety.

When handling the product, be sure to do so with clean hands and in a clean environment to avoid contamination. Always follow any specific disposal instructions provided to ensure safe and responsible disposal.

Additional Information

No further information is available.

FAQ

What is GC Mucus Relief used for?

GC Mucus Relief helps loosen phlegm (mucus) and thin bronchial secretions, making coughs more productive.

Who should not use GC Mucus Relief?

Do not use GC Mucus Relief for children under 12 years of age.

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

Adults and children 12 years of age and over should take 1 or 2 tablets every 12 hours, not exceeding 4 tablets in 24 hours.

How should I take GC Mucus Relief?

Take GC Mucus Relief with a full glass of water and do not crush, chew, or break the tablet.

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

Stop using GC Mucus Relief and ask a doctor if your cough lasts more than 7 days, comes back, or occurs with fever, rash, or persistent headache.

Is it safe to use GC Mucus Relief during pregnancy or breastfeeding?

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

What should I do in case of an overdose?

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

What are the storage conditions for GC Mucus Relief?

Store GC Mucus Relief between 20°-25°C (68°-77°F).

Packaging Info

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

Packaging configurations for Mucus Relief.
Details

Drug Information (PDF)

This file contains official product information for Mucus Relief, 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 facilitation of mucus clearance in patients experiencing excessive bronchial secretions. It helps to loosen phlegm and thin bronchial secretions, thereby enhancing the productivity of coughs and aiding in the clearance of bothersome mucus from the bronchial passageways.

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

Dosage and Administration

The tablet should be taken whole; it must not be crushed, chewed, or broken. It is recommended that the tablet be ingested with a full glass of water. This medication can be administered without regard to the timing of meals.

For adults and children aged 12 years and older, the recommended dosage is 1 or 2 tablets every 12 hours. The total daily dosage should not exceed 4 tablets within a 24-hour period.

This medication is not indicated for use in children under 12 years of age.

Contraindications

Use is contraindicated in children under 12 years of age due to safety concerns associated with this population. No other contraindications have been specified.

Warnings and Precautions

The use of this medication is contraindicated in children under 12 years of age.

Healthcare professionals should advise patients to consult a physician prior to use if they have a persistent or chronic cough, particularly those associated with smoking, asthma, chronic bronchitis, or emphysema. Additionally, patients experiencing a cough accompanied by excessive phlegm (mucus) should seek medical advice before initiating treatment.

Patients should be instructed to discontinue use and contact their healthcare provider if the cough persists for more than 7 days, recurs, or is accompanied by fever, rash, or a persistent headache. These symptoms may indicate a more serious underlying condition that requires further evaluation.

In the event of an overdose, it is imperative to seek immediate medical assistance or contact a Poison Control Center at 1-800-222-1222. Prompt action is essential to ensure patient safety and appropriate management of the situation.

Side Effects

Patients should be aware of the potential adverse reactions associated with the use of this medication. It is contraindicated for children under 12 years of age. Prior to use, patients are advised to consult a healthcare professional if they have a persistent or chronic cough, such as that which occurs with smoking, asthma, chronic bronchitis, or emphysema, or if the cough is accompanied by excessive phlegm (mucus).

Patients should discontinue use and seek medical advice 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.

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

Packaging configurations for Mucus Relief.
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 age group, and use is contraindicated.

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 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

Patients with renal impairment have not been specifically addressed in the available prescribing information. There are no dosage adjustments, special monitoring requirements, or safety considerations outlined for individuals with reduced kidney function. Healthcare professionals should exercise caution and consider the lack of data when prescribing to this patient population.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in relation to 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 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. 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 to determine the appropriate course of action.

Management procedures may include supportive care, symptomatic treatment, and specific interventions based on the substance involved. It is vital for healthcare providers to remain vigilant and act swiftly to mitigate potential complications associated with an overdose.

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

No postmarketing experience details are available in the insert text.

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 to inform patients that this medication is not recommended for use in children under 12 years of age.

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 symptoms such as fever, rash, or a persistent headache, as these may indicate a serious underlying condition.

Additionally, healthcare providers should encourage patients to consult with a doctor prior to use if they have a persistent or chronic cough associated with smoking, asthma, chronic bronchitis, or emphysema. Patients should also be advised to seek medical advice if their cough is accompanied by excessive phlegm (mucus).

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 controlled temperature range of 20°-25°C (68°-77°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.

Additional Clinical Information

No further data are available.

Drug Information (PDF)

This file contains official product information for 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 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.