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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 2019
Label revision date
November 24, 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 2019
Label revision date
November 24, 2025
Manufacturer
Major Pharmaceuticals
Registration number
ANDA209215
NDC root
0904-6986
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

MAJOR® is a medication that contains guaifenesin (an expectorant) in a 600 mg dose. It is designed to help relieve chest congestion by thinning and loosening mucus in your airways. This makes it easier for you to cough up the mucus, leading to more productive coughs and helping to clear your bronchial passageways.

The formulation is an extended-release type, which means it works over a 12-hour period, providing longer-lasting relief from congestion. If you're experiencing discomfort from mucus buildup, MAJOR® may be a helpful option to consider.

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, 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 years and older, the recommended dose 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 years of age, 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 concerns regarding contraindications (conditions that would make the use of the medication inadvisable), controlled substance classification, abuse or misuse risks, or dependence (a condition where the body becomes reliant on a substance). Always consult with your healthcare provider for personalized advice and to ensure safe use.

Side Effects

If you experience a cough that lasts more than seven days, returns after improvement, or is accompanied by fever, rash, or a persistent headache, it may indicate a serious illness, and you should seek medical attention. Additionally, be aware that a persistent or chronic cough, which can occur with conditions like smoking, asthma, chronic bronchitis, or emphysema, may also be a concern. If your cough is accompanied by excessive phlegm (mucus), it’s important to discuss this with your healthcare provider as well.

Warnings and Precautions

If you experience a cough that lasts more than 7 days, returns, or occurs alongside a fever, rash, or persistent headache, it’s important to stop using the medication and contact your doctor. These symptoms could indicate a more serious health issue that needs attention.

In the event of an overdose, seek emergency medical help immediately or contact a Poison Control Center at 1-800-222-1222. Your safety is a priority, so don’t hesitate to reach out for assistance if you need it.

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 that you or someone else may have taken too much of a medication, it’s crucial to seek immediate medical help.

In case of an overdose, you should contact your local emergency services or go to the nearest hospital right away. Always keep the medication packaging on hand, as it can provide important information to healthcare professionals. Remember, when in doubt, it’s better to err on the side of caution and get help.

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 medications for your child.

Geriatric Use

While there is no specific information available about the use of this medication in older adults, it’s important to approach any new treatment with caution. As you age, your body may process medications differently, which can affect how well they work and the potential for side effects.

If you or a loved one is considering this medication, it’s wise to discuss it with a healthcare provider. They can help determine if any adjustments are needed based on individual health conditions and ensure that the treatment is safe and effective for older adults. Always prioritize open communication with your healthcare team about any concerns or questions you may have.

Renal Impairment

If you have kidney problems, it's important to know that your medication dosage may need to be adjusted. Specifically, if you have reduced creatinine clearance (a measure of how well your kidneys are filtering waste), your healthcare provider will closely monitor your condition. Regular renal function tests (tests that check how well your kidneys are working) should also be performed to ensure your safety.

For those with significant renal impairment, a reduced dose of medication is recommended. Always communicate with your healthcare team about your kidney health to ensure you receive the appropriate care and adjustments needed for your treatment.

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 tests to ensure your safety while using any medication. Your well-being is a priority, so don't hesitate to ask questions or express any concerns you may have.

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 safety and effectiveness of your product, always check that the seal on the bottle, marked "SEALED for YOUR PROTECTION," is intact before use. If the seal is broken or missing, do not use the product.

For proper storage, keep the product in a cool, dry place at a temperature between 20 to 25°C (68 to 77°F). This temperature range helps maintain the product's quality and effectiveness. Following these guidelines will help you use the product safely and effectively.

Additional Information

You can take this medication orally, with the recommended dosage for adults and children aged 12 and older being 1 or 2 tablets every 12 hours. It's important not to exceed 4 tablets in a 24-hour period to ensure your safety and effectiveness of the treatment. If you have any questions about your dosage or how to take the medication, be sure to consult with your healthcare provider.

FAQ

What is MAJOR® used for?

MAJOR® is an expectorant that helps loosen phlegm (mucus) and thin bronchial secretions, making coughs more productive and relieving chest congestion.

What is the active ingredient in MAJOR®?

The active ingredient in MAJOR® is guaifenesin, with a dosage of 600 mg per tablet.

How should I take MAJOR®?

You should take 1 or 2 tablets every 12 hours with a full glass of water, and do not exceed 4 tablets in 24 hours.

Can children use MAJOR®?

No, MAJOR® should not be used for children under 12 years of age.

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 MAJOR® and consult a doctor, as these could be signs of a serious illness.

Are there any teratogenic effects associated with MAJOR®?

No teratogenic effects have been mentioned for MAJOR®.

What should I do in case of an overdose?

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

Is there any special storage requirement for MAJOR®?

Yes, store MAJOR® between 20 to 25°C (68 to 77°F) and do not use if the seal on the bottle is broken or missing.

Can I take MAJOR® if I am pregnant or breastfeeding?

If you are pregnant or breastfeeding, you should ask a health professional before using MAJOR®.

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 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

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 administration. This product can be taken 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 maximum allowable dosage should not exceed 4 tablets within a 24-hour period.

This product is not recommended 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

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

Healthcare professionals should advise patients to discontinue use and consult a physician 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 serious underlying condition that requires further evaluation and intervention.

Side Effects

Patients should be aware of the potential adverse reactions associated with the use of this medication. Serious adverse reactions may include a cough that lasts more than 7 days, recurs, or is accompanied by fever, rash, or persistent headache, as these symptoms could indicate a serious underlying illness.

In addition to serious reactions, patients may experience additional adverse reactions such as a persistent or chronic cough, which may be associated with conditions like smoking, asthma, chronic bronchitis, or emphysema. Furthermore, a cough accompanied by excessive phlegm (mucus) has also been noted among patients.

It is important for patients to monitor their symptoms and seek medical attention if they experience any of the aforementioned signs, particularly if they persist or worsen.

Drug Interactions

There are currently no documented drug interactions associated with this medication. Additionally, there are no known 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. 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 under 12.

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. It is essential to evaluate the potential risks and benefits associated with the use of this drug during pregnancy and lactation. The safety of this medication in pregnant women has not been established, and caution is advised to ensure the well-being of both the mother and the 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 drug in human breast milk or its effects on breastfed infants. Therefore, caution is recommended when administering this medication to lactating individuals.

Renal Impairment

Renal impairment may necessitate dosage adjustments for patients with reduced kidney function. Patients with reduced creatinine clearance should be closely monitored to ensure appropriate therapeutic levels and minimize the risk of adverse effects. Regular renal function tests are recommended for patients with kidney problems to assess their renal status. A reduced dose is advised for patients with significant renal impairment to account for altered drug clearance and prevent potential toxicity.

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 overdosage information, it is essential for healthcare professionals to remain vigilant regarding the potential for overdose with this medication. In cases where an overdose is suspected, immediate medical attention should be sought.

Healthcare providers are advised to monitor patients closely for any signs or symptoms that may indicate an overdose. These may include, but are not limited to, increased severity of known side effects, altered mental status, or any unusual physiological responses.

Management of an overdose should be guided by the clinical presentation of the patient. Supportive care is paramount, and symptomatic treatment should be initiated as necessary. It is recommended that healthcare professionals consult local poison control centers or relevant toxicology resources for specific guidance on the management of overdose cases.

In summary, while specific overdosage information is not available, healthcare professionals should exercise caution, remain alert to potential overdose symptoms, and implement appropriate management strategies in the event of an overdose.

Nonclinical Toxicology

There is currently no available information regarding teratogenic effects, non-teratogenic effects, or any specific findings in the nonclinical toxicology section. Additionally, there are no details provided concerning animal pharmacology and toxicology.

Postmarketing Experience

Reports of side effects have been received through voluntary submissions and surveillance programs. Individuals are encouraged to report any adverse events to the designated phone number provided for this purpose.

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 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 fever, rash, or a persistent headache, as these symptoms may indicate a serious illness.

Additionally, healthcare providers should encourage patients to consult a doctor prior to use if they have a persistent or chronic cough, particularly if it is associated with smoking, asthma, chronic bronchitis, or emphysema.

Patients should also be advised to seek medical advice before using this medication if their cough is accompanied by excessive phlegm (mucus).

Storage and Handling

The product is supplied in a tamper-evident container. Healthcare professionals should ensure that the seal on the bottle, marked "SEALED for YOUR PROTECTION," is intact before use.

For optimal storage, the product must be maintained at a temperature range of 20 to 25°C (68 to 77°F). It is essential to adhere to these storage conditions to ensure the integrity and efficacy of the product.

Additional Clinical Information

The medication is administered orally. For adults and children aged 12 years and older, the recommended dosage is 1 or 2 tablets every 12 hours, with a maximum limit of 4 tablets within a 24-hour period.

No further information is available regarding laboratory tests, abuse potential, patient counseling, or postmarketing experience.

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.