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Guaifenesin Dm

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Active ingredients
  • Guaifenesin 100 mg/5 mL
  • Dextromethorphan Hydrobromide 10 mg/5 mL
Other brand names
Drug classes
Expectorant, Sigma-1 Agonist, Uncompetitive N-methyl-D-aspartate Receptor Antagonist
Dosage form
Liquid
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2025
Label revision date
March 25, 2025
Active ingredients
  • Guaifenesin 100 mg/5 mL
  • Dextromethorphan Hydrobromide 10 mg/5 mL
Other brand names
Drug classes
Expectorant, Sigma-1 Agonist, Uncompetitive N-methyl-D-aspartate Receptor Antagonist
Dosage form
Liquid
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 2025
Label revision date
March 25, 2025
Manufacturer
Innovida Pharmaeutique Corporation
Registration number
M012
NDC root
71800-057

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Drug Overview

This medication is designed to temporarily relieve cough caused by minor irritation in the throat and bronchial tubes, which can happen during a cold. It also helps to loosen phlegm (mucus) and thin out bronchial secretions, making it easier for you to drain your bronchial tubes. This can provide comfort and support when you're feeling under the weather.

Uses

If you're dealing with a cough caused by minor irritation in your throat or bronchial tubes, especially during a cold, this medication can provide temporary relief. It works by soothing your throat and reducing the urge to cough, making it easier for you to feel comfortable.

Additionally, this medication helps to loosen phlegm (mucus) and thin out bronchial secretions. This action can assist in draining your bronchial tubes, which may help you breathe more easily.

Dosage and Administration

You should take this medication by mouth, with a recommended dose of 10 mL (which is equivalent to 2 teaspoonfuls) every 4 hours. However, make sure not to exceed 6 doses within a 24-hour period. This guideline applies to adults and children aged 12 years and older.

If you have a child under 12 years of age, it’s important to note that this medication is not recommended for them. Always follow your doctor’s instructions regarding dosage and frequency to ensure safe and effective use.

What to Avoid

You can feel reassured that there are no specific contraindications, controlled substance classifications, or concerns regarding abuse, misuse, or dependence associated with this medication. This means that, based on the available information, there are no particular situations or conditions under which you should avoid using it. Always consult with your healthcare provider for personalized advice and to ensure that this medication is appropriate for your individual health needs.

Side Effects

You should be aware of some important warnings and potential side effects associated with this medication. First, do not use it if you are currently taking a prescription monoamine oxidase inhibitor (MAOI), which is a type of medication used for depression or certain other conditions, or if you have stopped taking an MAOI within the last two weeks. If you have a cough that produces a lot of mucus, or if your cough is chronic due to smoking, asthma, chronic bronchitis, or emphysema, consult your doctor before using this medication.

It's important to stop using the medication and seek medical advice if your cough lasts more than seven days, returns, or is accompanied by symptoms like fever, rash, or a persistent headache, as these could indicate a more serious issue. If you are pregnant or breastfeeding, please consult a healthcare professional before use. Always keep this medication out of reach of children, and in case of accidental overdose, contact a medical professional or Poison Control Center immediately at 1-800-222-1222.

Warnings and Precautions

You should not use this product if you are currently taking a prescription monoamine oxidase inhibitor (MAOI), which is a type of medication used for depression or certain other conditions, or if you have stopped taking an MAOI within the last two weeks. If you're unsure whether your medication contains an MAOI, please consult your doctor or pharmacist before using this product.

Before using this medication, it's important to talk to your doctor if you have a cough that produces a lot of mucus, or if you have a chronic cough due to smoking, asthma, chronic bronchitis, or emphysema. If your cough lasts more than seven days, returns, or is accompanied by fever, rash, or a persistent headache, stop using the product and contact your doctor, as these may be signs of a more serious issue.

In the event of an accidental overdose, seek emergency medical help immediately or contact a Poison Control Center at 1-800-222-1222.

Overdose

If you suspect an accidental 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 healthcare provider regarding your breastfeeding journey.

Pediatric Use

If you are considering this medication for your child, it's important to know that it should not be used in children under 12 years of age. For those who are 12 years and older, the recommended dosage is 10 mL (which is equivalent to 2 teaspoonfuls) every 4 hours, or as directed by your doctor.

Always keep this medication out of reach of children. In the event of an accidental overdose, seek medical help immediately or contact a Poison Control Center at 1-800-222-1222. Your child's safety is paramount, so please follow these guidelines carefully.

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 for personalized advice. 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 issues, it's important to know that there are no specific guidelines provided for dosage adjustments, special monitoring, or safety considerations related to your condition. This means that the information available does not outline any particular changes you may need to make regarding your treatment.

Always consult with your healthcare provider for personalized advice and to ensure that your treatment plan is safe and effective for your kidney health. They can help you understand how your condition may affect your medications and what steps you should take.

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 crucial to be aware of potential interactions with other medications. Specifically, you should not use this product if you are currently taking a prescription monoamine oxidase inhibitor (MAOI), which is a type of medication often prescribed for depression, certain psychiatric conditions, or Parkinson’s disease. Additionally, you should wait at least two weeks after stopping an MAOI before using this product. If you're unsure whether your current medication includes an MAOI, it's important to consult with your doctor or pharmacist.

Always discuss any medications you are taking with your healthcare provider to ensure your safety and avoid harmful interactions. Your health and well-being are the top priority, so don't hesitate to ask questions about your treatments.

Storage and Handling

To ensure the safety and effectiveness of your product, store it at room temperature, ideally between 15° to 30°C (59° to 86°F). This temperature range helps maintain the product's quality.

When handling the product, be sure to check the tamper-evident seal under the cap. If the seal is torn, broken, or missing, do not use the product, as this could indicate that it has been compromised. Following these guidelines will help you use the product safely and effectively.

Additional Information

You should take this medication orally. For adults and children aged 12 years and older, the recommended dose is 10 mL (which is equivalent to 2 teaspoonfuls) every 4 hours, or as directed by your doctor. If the patient is under 12 years of age, this medication should not be used. Always follow your healthcare provider's instructions regarding dosage and frequency.

FAQ

What does this drug do?

This drug temporarily relieves cough due to minor throat and bronchial irritation, such as that which may occur with a cold, and helps loosen phlegm (mucus) to drain bronchial tubes.

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

Adults and children 12 years of age and over should take 10 mL (2 teaspoonfuls) every 4 hours, or as directed by a doctor.

Can children under 12 use this drug?

No, this drug should not be used by children under 12 years of age.

Are there any warnings associated with this drug?

Do not use this drug if you are currently taking a prescription monoamine oxidase inhibitor (MAOI) or for 2 weeks after stopping an MAOI.

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

You should stop using the drug and ask a doctor if your cough lasts more than 7 days, comes back, or is accompanied by fever, rash, or persistent headache.

What should I do if I accidentally overdose?

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

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

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

How should I store this drug?

Store the drug at room temperature between 15° to 30°C (59° to 86°F) and do not use if the seal under the cap is torn, broken, or missing.

Packaging Info

Below are the non-prescription pack sizes of Guaifenesin Dm (dextromethorphan hydrobromide, guaifenesin). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Guaifenesin Dm.
Details

Drug Information (PDF)

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

View product document (PDF)

Description

No relevant information is available for SPL code 34089-3.

Uses and Indications

This drug is indicated for the temporary relief of cough associated with minor throat and bronchial irritation, which may occur due to a cold. Additionally, it aids in loosening phlegm (mucus) and thinning bronchial secretions, facilitating drainage of the bronchial tubes.

Limitations of Use: This medication is intended for symptomatic relief and does not address the underlying causes of cough or respiratory conditions.

Dosage and Administration

The maximum recommended dosage is 6 doses within a 24-hour period. For adults and children aged 12 years and older, the recommended dose is 10 mL (equivalent to 2 teaspoonfuls) administered orally every 4 hours, or as directed by a healthcare professional.

Use in children under 12 years of age is not recommended.

Contraindications

There are no contraindications associated with the use of this product. It is not classified as a controlled substance, and there are no identified risks of abuse, misuse, or dependence.

Warnings and Precautions

Patients should not use this product if they are currently taking a prescription monoamine oxidase inhibitor (MAOI), which includes certain medications for depression, psychiatric or emotional conditions, or Parkinson’s disease. Additionally, use of this product is contraindicated for a period of two weeks following the discontinuation of an MAOI. If there is uncertainty regarding whether a prescription medication contains an MAOI, patients are advised to consult a healthcare professional, such as a doctor or pharmacist, prior to use.

Healthcare professionals should exercise caution and recommend that patients seek medical advice before using this product if they experience a cough that is associated with excessive phlegm (mucus) or if the cough is chronic, as seen in conditions such as smoking, asthma, chronic bronchitis, or emphysema.

Patients are instructed to discontinue use and contact their healthcare provider if a cough persists for more than seven days, recurs, or is accompanied by additional symptoms such as fever, rash, or a persistent headache. These symptoms may indicate a more serious underlying condition that requires medical evaluation.

In the event of an accidental 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 following warnings and precautions associated with the use of this medication. It is contraindicated in individuals currently taking a prescription monoamine oxidase inhibitor (MAOI) or within 2 weeks of discontinuing such treatment, as this may lead to serious adverse reactions.

Before using this medication, patients should consult a healthcare professional if they have a cough that produces excessive phlegm or if they have a chronic cough due to conditions such as smoking, asthma, chronic bronchitis, or emphysema.

Patients are advised to discontinue use and seek medical advice if their cough persists for more than 7 days, recurs, or is accompanied by symptoms such as fever, rash, or a persistent headache, as these may indicate a serious underlying condition.

For pregnant or breastfeeding individuals, it is recommended to consult a healthcare professional prior to use to ensure safety for both the mother and child.

Additionally, this medication should be kept out of reach of children. In the event of an accidental overdose, immediate medical assistance should be sought, or contact with a Poison Control Center (1-800-222-1222) is advised.

Drug Interactions

The concomitant use of this product with monoamine oxidase inhibitors (MAOIs) is contraindicated. MAOIs are typically prescribed for the treatment of depression, certain psychiatric conditions, or Parkinson’s disease. Patients should not take this product while on an MAOI or for a minimum of two weeks following the discontinuation of an MAOI. It is essential for patients to consult with a healthcare professional, such as a doctor or pharmacist, to verify whether their current prescription includes an MAOI before initiating treatment with this product.

Packaging & NDC

Below are the non-prescription pack sizes of Guaifenesin Dm (dextromethorphan hydrobromide, guaifenesin). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Guaifenesin Dm.
Details

Pediatric Use

Pediatric patients under 12 years of age should not use this medication. For adolescents aged 12 years and older, the recommended dosage is 10 mL (2 teaspoonfuls) every 4 hours or as directed by a healthcare professional.

It is essential to keep this medication out of reach of children. In the event of an accidental overdose, immediate medical assistance should be sought, or contact a Poison Control Center at 1-800-222-1222.

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 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 should consider individual circumstances and the specific needs of the patient when making recommendations.

Lactation

Lactating mothers are advised to consult a healthcare 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

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 event of an accidental overdose, it is imperative to seek immediate medical assistance. Healthcare professionals are advised to contact a Poison Control Center without delay. The national Poison Control Center can be reached at 1-800-222-1222.

Prompt intervention is crucial in managing overdose situations, as timely medical help can significantly mitigate potential adverse effects. It is essential for healthcare providers to be aware of the symptoms associated with overdose, although specific symptoms may vary depending on the substance involved.

Management of an overdose typically involves supportive care and symptomatic treatment. Healthcare professionals should ensure that the patient is monitored closely and that appropriate interventions are initiated based on the clinical presentation.

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 this medication out of the reach of children to prevent accidental ingestion or misuse. It is important for patients to understand the potential risks associated with improper access to the medication by children. Providers should encourage patients to store the medication in a secure location and to be vigilant about monitoring its use.

Storage and Handling

The product is supplied in a tamper-evident container. It is essential to inspect the seal under the cap prior to use; the product should not be utilized if the seal is torn, broken, or missing.

For optimal storage, the product must be kept at room temperature, within the range of 15° to 30°C (59° to 86°F). Proper handling and storage conditions are crucial to maintain 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 10 mL (equivalent to 2 teaspoonfuls) every 4 hours, or as directed by a healthcare professional. 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 Guaifenesin Dm, 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 Dm, 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.