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Guaifenesin/Dextromethorphan hydrobromide

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Active ingredients
  • Guaifenesin 1200 mg
  • Dextromethorphan Hydrobromide 60 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 2017
Label revision date
February 6, 2026
Active ingredients
  • Guaifenesin 1200 mg
  • Dextromethorphan Hydrobromide 60 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 2017
Label revision date
February 6, 2026
Manufacturer
Sportpharm LLC
Registration number
ANDA206941
NDC root
85766-046

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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 can make your coughs more productive, which is especially helpful when dealing with bothersome mucus.

Additionally, this drug temporarily relieves cough caused by minor throat and bronchial irritation, such as that which may occur with the common cold or from inhaling irritants. It can also help reduce the intensity of your cough and lessen the urge to cough, making it easier for you to get a good night's sleep.

Uses

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

You can 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 also helps reduce the intensity of your cough and can 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 extended-release tablet whole. Do not crush, chew, or break it, as this can affect how the medication works. Make sure to take it with a full glass of water, and you can take it at any time, regardless of meals.

For adults and children aged 12 years and older, the recommended dosage is one extended-release tablet every 12 hours. You should not take more than two 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 follow the instructions provided with your medication carefully. You should not use more than the directed amount, as taking more than recommended can lead to unwanted effects. Always adhere to the dosage guidelines to ensure your safety and the effectiveness of the treatment.

If you have any questions or concerns about your medication, don't hesitate to reach out to your healthcare provider for guidance. Your health and well-being are the top priority.

Side Effects

You should be aware that this medication is not recommended for children under 12 years of age. Additionally, if you are currently taking or have recently stopped a prescription monoamine oxidase inhibitor (MAOI)—a type of medication used for depression or certain other conditions—you should avoid using this product.

If your cough 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 may indicate a more serious health issue. Before using this product, talk to your doctor if you have a chronic cough related to smoking, asthma, chronic bronchitis, or emphysema, or if your cough produces excessive mucus.

Warnings and Precautions

You should not use this medication if you are under 12 years old. Additionally, avoid taking it if you are currently on a prescription monoamine oxidase inhibitor (MAOI), which is a type of medication used for depression or certain other conditions. If you have recently stopped taking an MAOI, wait at least two weeks before using this product. If you're unsure whether your medication contains an MAOI, please consult your doctor or pharmacist.

In case of an overdose, it’s crucial to 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 seven days, returns, or occurs alongside a fever, rash, or persistent headache, as these may indicate a more serious health issue.

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 an overdose, it is crucial to seek immediate medical help.

In case of an emergency, call your local emergency number or go to the nearest hospital. Always keep medications out of reach of children and follow the prescribed dosage to prevent any potential risks. If you have any concerns or questions about your medication, don’t hesitate to reach out to your healthcare provider for guidance.

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 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 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 differently due to your liver health.

Always consult your healthcare provider for personalized advice and to discuss any concerns you may have regarding your liver function and how it relates to your treatment. They can help ensure that your medication is safe and effective for you.

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 known interactions between this medication and other drugs or laboratory tests. However, your healthcare provider can help ensure that your treatment plan is safe and effective, taking into account your unique health situation. Always feel free to ask questions and share any concerns you may have regarding your medications or tests.

Storage and Handling

To ensure the best performance of your product, store it at a temperature between 20° to 25°C (68° to 77°F). This temperature range helps maintain the product's effectiveness and safety.

When handling the product, be sure to do so in a clean environment to avoid contamination. Always follow any specific instructions provided for use and disposal to ensure safety and compliance.

Additional Information

You should take this medication orally, with adults and children aged 12 years and older advised to take one extended-release tablet every 12 hours, without exceeding two tablets in a 24-hour period. If you are under 12 years old, do not use this medication.

If you are pregnant or breastfeeding, consult a healthcare professional before using this medication. Always keep it out of reach of children. In case of an overdose, seek medical help immediately or contact a Poison Control Center at 1-800-222-1222.

FAQ

What does this drug do?

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

What symptoms does this drug temporarily relieve?

It temporarily relieves cough due to minor throat and bronchial irritation, reduces the intensity of coughing, and helps suppress the impulse to cough to assist with sleep.

Who should not use this drug?

Do not use this drug for children under 12 years of age or if you are currently taking a prescription monoamine oxidase inhibitor (MAOI).

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

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

How should I take this drug?

Take 1 extended-release tablet every 12 hours with a full glass of water, and do not crush, chew, or break the tablet.

What should I do in case of overdose?

In case of overdose, get medical help or contact a Poison Control Center immediately.

Is it safe to use this drug during pregnancy or breastfeeding?

If you are pregnant or breastfeeding, ask a health professional before using this drug.

Packaging Info

Below are the non-prescription pack sizes of Guaifenesin and Dextromethorphan Hbr. Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Guaifenesin and Dextromethorphan Hbr.
Details

Drug Information (PDF)

This file contains official product information for Guaifenesin and Dextromethorphan Hbr, 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 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 expulsion of bothersome mucus and enhancing the productivity of coughs.

Additionally, this drug temporarily alleviates the intensity of coughing and reduces the impulse to cough, which may aid in promoting sleep.

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

Dosage and Administration

The extended-release tablet should be taken with a full glass of water. It is important to note that the tablet must not be crushed, chewed, or broken, as this may affect the release mechanism of the medication.

For adults and children aged 12 years and older, the recommended dosage is one extended-release tablet every 12 hours. The total daily dosage should not exceed two extended-release tablets within a 24-hour period. This medication can be administered without regard to the timing of meals.

Use of this product is not recommended for children under 12 years of age.

Contraindications

There are no specific contraindications identified for this product. However, it is essential to adhere to the recommended dosage guidelines, as exceeding the directed use may lead to adverse effects.

Warnings and Precautions

Patients should not use this product in children under 12 years of age. The use of this medication is contraindicated in individuals currently taking a prescription monoamine oxidase inhibitor (MAOI), which includes certain medications prescribed for depression, psychiatric or emotional conditions, or Parkinson’s disease. Additionally, this product should not be used for at least 2 weeks following the discontinuation of an MAOI. If there is uncertainty regarding the presence of an MAOI in a prescription medication, it is imperative to consult a healthcare professional, such as a doctor or pharmacist, prior to use.

In the event of an overdose, immediate medical assistance should be sought. Patients are advised to contact a Poison Control Center at 1-800-222-1222 without delay.

Patients should discontinue use and consult a healthcare provider 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 medical evaluation.

Side Effects

Patients should be aware of the potential adverse reactions associated with this medication. Serious adverse reactions may occur, and it is crucial to discontinue use and consult a healthcare professional if a cough persists for more than 7 days, recurs, or is accompanied by fever, rash, or a persistent headache, as these symptoms could indicate a serious underlying condition.

This medication is contraindicated in children under 12 years of age. Additionally, it should not be used in conjunction with prescription monoamine oxidase inhibitors (MAOIs) or within 2 weeks of discontinuing such medications, which are often prescribed for depression, psychiatric or emotional conditions, or Parkinson’s disease. Patients uncertain about whether their prescription includes an MAOI are advised to consult a doctor or pharmacist prior to use.

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, or if their cough is accompanied by excessive phlegm (mucus).

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 Guaifenesin and Dextromethorphan Hbr. Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Guaifenesin and Dextromethorphan Hbr.
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 population, and use is contraindicated for children in this age group.

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 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 currently no available data on 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

There is no specific information available regarding dosage adjustments, special monitoring, or safety considerations for patients with renal impairment. Healthcare professionals should exercise caution when prescribing to patients with reduced kidney function, as the absence of detailed guidance necessitates careful clinical judgment. Regular monitoring of renal function may be advisable in this patient population.

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 and prepared for potential scenarios involving overdose.

Healthcare providers should be aware that the clinical presentation of an overdose may vary significantly depending on the substance involved and the individual patient’s characteristics. Symptoms of overdose can range from mild to severe and may include altered mental status, cardiovascular instability, respiratory distress, and gastrointestinal disturbances.

In the event of suspected overdosage, immediate medical evaluation is recommended. Healthcare professionals should assess the patient's vital signs and conduct a thorough clinical examination. Supportive care should be initiated as necessary, which may include airway management, intravenous fluids, and monitoring of vital parameters.

If specific antidotes or treatments are available for the substance involved, they should be administered according to established protocols. Consultation with a poison control center or toxicology expert may also be beneficial in managing the case effectively.

It is crucial to document all findings and interventions thoroughly, as this information may be vital for ongoing patient management and for any necessary reporting to regulatory authorities.

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 compound in these areas.

Postmarketing Experience

No postmarketing experience details are available in the insert.

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 various package configurations, with specific NDC numbers available for identification. It is essential to store the product at a controlled temperature range of 20° to 25°C (68° to 77°F) to maintain its integrity and efficacy. Proper storage conditions must be adhered to, ensuring that the product is kept in a suitable container that protects it from environmental factors. Special handling requirements should be followed to prevent any compromise to the product's quality.

Additional Clinical Information

The medication is administered orally, with the recommended dosage for adults and children aged 12 years and older being one extended-release tablet every 12 hours, not to exceed two tablets within a 24-hour period. It is contraindicated for children under 12 years of age.

Clinicians should counsel patients to consult a health professional if they are pregnant or breastfeeding. Additionally, it is important to keep the medication out of reach of children. In the event of an overdose, patients should seek medical assistance or contact a Poison Control Center immediately at 1-800-222-1222. No further information is available regarding laboratory tests, abuse potential, or postmarketing experiences.

Drug Information (PDF)

This file contains official product information for Guaifenesin and Dextromethorphan Hbr, 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 Guaifenesin and Dextromethorphan Hbr, 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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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.