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Mucus Relief Er

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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)
Marketed in the U.S.
Since 2018
Label revision date
March 7, 2025
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
Marketed in the U.S.
Since 2018
Label revision date
March 7, 2025
Manufacturer
Major Pharmaceuticals
Registration number
ANDA207342
NDC root
0904-6718

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Drug Overview

Mucus Relief ER is an expectorant that contains 600 mg of guaifenesin, which helps to loosen phlegm (mucus) and thin bronchial secretions. This action makes it easier for you to clear mucus from your airways, leading to more productive coughs and relief from chest congestion. The extended-release tablets provide up to 12 hours of relief, helping you breathe more comfortably throughout the day.

This product is similar to Mucinex®, but it is not manufactured or distributed by the same company. If you're dealing with bothersome mucus, Mucus Relief ER may be a helpful option to consider for easing your symptoms.

Uses

If you're dealing with a cough and chest congestion, this medication can be quite helpful. It works by loosening phlegm (mucus) and thinning bronchial secretions, which makes it easier for you to clear out bothersome mucus from your airways.

By relieving chest congestion, this medication can help you breathe more comfortably. Overall, it aids in making your coughs more productive, allowing your body to get rid of mucus more effectively.

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 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 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

If you experience a cough that lasts more than 7 days, returns, or is accompanied by fever, rash, or a persistent headache, it's important to stop using the medication and consult a doctor, as these could indicate a serious illness. Additionally, you should talk to your doctor before using this medication if you have a chronic cough related to smoking, asthma, chronic bronchitis, or emphysema, or if your cough comes with excessive mucus.

In the event of an overdose, seek 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. 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 a fever, rash, or 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 immediate medical assistance or call a Poison Control Center at 1-800-222-1222.

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 keep emergency contact information handy and be aware of the signs of overdose to ensure your safety and the safety of those around you.

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 should be used 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).

Always consult your healthcare provider for personalized advice and to discuss any concerns regarding your liver health and medication use. They can help ensure that you receive the safest and most effective treatment based on your individual needs.

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, always ensure that your healthcare provider is aware of all the medications you are using, as this helps them provide the best care tailored to your needs.

By discussing your full medical history and any other treatments, you can help prevent potential issues and ensure your safety.

Storage and Handling

To ensure the best performance of your product, store it in a cool, dry place at a temperature between 20º to 25ºC (68º to 77ºF). This temperature range helps maintain the integrity and effectiveness of the device.

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 safety and compliance with local regulations.

Additional Information

You should take this medication orally. For adults and children aged 12 years and older, the recommended dosage is 1 or 2 tablets every 12 hours, but do not exceed 4 tablets in a 24-hour period. If you are caring for a child under 12 years old, do not use this medication for them. Always follow the dosage instructions to ensure safe and effective use.

FAQ

What is Mucus Relief ER?

Mucus Relief ER is an expectorant that contains 600 mg of guaifenesin in extended-release tablets.

How does Mucus Relief ER work?

It helps loosen phlegm (mucus) and thin bronchial secretions, making coughs more productive and relieving chest congestion.

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

You should take 1 or 2 tablets every 12 hours, not exceeding 4 tablets in 24 hours.

Can children under 12 use Mucus Relief ER?

No, Mucus Relief ER should not be used for children under 12 years of age.

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

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

What should I do in case of overdose?

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

Are there any specific storage instructions for Mucus Relief ER?

Yes, store Mucus Relief ER between 20º to 25ºC (68º to 77ºF).

Is it safe to use Mucus Relief ER if I am pregnant or breastfeeding?

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

What should I do if the blister unit is torn or broken?

Do not use Mucus Relief ER if the blister unit is torn, broken, or shows any signs of tampering.

Packaging Info

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

Packaging configurations for Mucus Relief Er.
Details

Drug Information (PDF)

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

View product document (PDF)

Description

Mucus Relief ER is an expectorant formulation containing 600 mg of guaifenesin, designed to provide 12-hour relief from chest congestion. The extended-release tablets work by thinning and loosening mucus, facilitating easier expectoration. This product is comparable to the active ingredient found in Mucinex®; however, it is not manufactured or distributed by Reckitt Benckiser LLC, the distributor of Mucinex®. The product is tamper evident; do not use if the blister unit is torn, broken, or shows any signs of tampering. For complete warnings and product information, retain the outer carton. Mucus Relief ER is distributed by Major Pharmaceuticals, located in Indianapolis, IN 46268.

Uses and Indications

This drug is indicated for the relief of chest congestion associated with respiratory conditions. It helps to loosen phlegm (mucus) and thin bronchial secretions, facilitating the clearance of mucus from the bronchial passageways. By doing so, it enhances the productivity of coughs, making it easier for patients to expel bothersome mucus.

Limitations of Use: This drug is intended for symptomatic relief and should be used as part of a comprehensive treatment plan for respiratory conditions as directed by a healthcare professional.

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 medication 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. The total daily dosage should not exceed 4 tablets within a 24-hour period.

This medication 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

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 if it is associated with smoking, asthma, chronic bronchitis, or emphysema. Additionally, patients with a cough that produces excessive phlegm (mucus) should seek medical advice before initiating treatment.

Patients are 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. Serious adverse reactions may occur, and patients are advised to stop use and consult a healthcare professional if a cough persists for more than 7 days, returns, or is accompanied by fever, rash, or a persistent headache, as these symptoms could indicate a serious underlying illness.

Before using this medication, patients should seek medical advice if they have a persistent or chronic cough, such as that associated with smoking, asthma, chronic bronchitis, or emphysema. Additionally, those experiencing a cough accompanied by excessive phlegm (mucus) should also consult a healthcare provider prior to use.

In the event of an overdose, it is crucial for patients to seek immediate medical assistance or contact a Poison Control Center at 1-800-222-1222.

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

Packaging configurations for Mucus Relief Er.
Details

Pediatric Use

Pediatric patients under 12 years of age should not be administered this medication. There are no established safety or efficacy profiles for this age group, and its use is contraindicated in children younger than 12 years. Healthcare professionals are advised to consider alternative treatments for pediatric patients within this age range.

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 therapeutic response, 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 important to assess the potential risks and benefits, as well as any available data regarding fetal outcomes and lactation. Healthcare providers can offer guidance tailored to individual circumstances, ensuring the safety of both the patient and the developing fetus or nursing infant.

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 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 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. The national Poison Control Center can be reached at 1-800-222-1222.

Healthcare professionals should be aware that timely intervention is crucial in managing overdose situations. Symptoms of overdose may vary depending on the substance involved, and it is essential to monitor the patient closely for any signs of adverse reactions.

Management of an overdose typically involves supportive care and symptomatic treatment. Healthcare providers should ensure that the patient is stabilized and may need to implement specific protocols based on the substance ingested. Continuous assessment and appropriate interventions are vital to mitigate potential complications associated with overdose.

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

Additionally, healthcare providers should encourage patients to consult with a doctor prior to using this medication if they have a persistent or chronic cough, such as that 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 20º to 25ºC (68º to 77ºF) to maintain its efficacy and stability. Proper storage conditions must be adhered to, ensuring that the product is kept within the specified temperature limits to prevent degradation.

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 of 4 tablets in a 24-hour period. It is contraindicated for use in children under 12 years of age.

No additional 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 Er, 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 Er, 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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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.