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Tusnel Diabetic

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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 2003
Label revision date
December 29, 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 2003
Label revision date
December 29, 2025
Manufacturer
LLORENS PHARMACEUTICALS INTERNATIONAL DIVISION
Registration number
M012
NDC root
54859-505

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If you are a consumer or patient please visit this version.

Drug Overview

TusnelDiag is a medication designed to temporarily relieve cough caused by minor irritation in the throat and bronchial tubes, which can happen during a cold. It works by helping to loosen phlegm (mucus) and thin bronchial secretions, making your coughs more productive. This means that it can help clear out mucus from your airways, making it easier for you to breathe and feel more comfortable.

Uses

If you're dealing with a cough caused by minor throat and bronchial irritation, such as what you might experience with a cold, this medication can provide temporary relief. It works by soothing your throat and reducing the urge to cough.

Additionally, this medication helps to loosen phlegm (mucus) and thin out bronchial secretions. This makes your coughs more productive, allowing you to clear out mucus more effectively.

Dosage and Administration

When taking this medication, it's important to follow the recommended dosage to ensure your safety and effectiveness. For adults and children aged 12 years and older, you should take 2 teaspoonfuls (which is 10 mL) every 4 hours. However, make sure not to exceed more than 6 doses in a 24-hour period unless your doctor advises otherwise.

If your child is under 2 years of age, you should not use this medication. Always remember to take the medication orally, following the specified dosage and timing to help manage your symptoms effectively.

What to Avoid

Before using this medication, it's important to consult your doctor if you have a cough that produces a lot of phlegm (mucus) or if your cough is chronic, which can happen with conditions like smoking, asthma, chronic bronchitis, or emphysema.

You should also stop using the medication and seek medical advice if your cough lasts more than 7 days, returns after improvement, or is accompanied by symptoms such as fever, rash, or a persistent headache. A lasting cough may indicate a more serious health issue that needs attention.

Side Effects

It's important to be aware of potential side effects when considering this medication. 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, 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 prescription includes an MAOI, please consult your doctor or pharmacist for guidance.

Warnings and Precautions

You should not use this medication if you are currently taking a prescription monoamine oxidase inhibitor (MAOI), which is a type of drug used for depression or certain emotional conditions, or if you have stopped taking an MAOI within the last two weeks. If you're unsure whether your prescription includes 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 your cough is chronic, such as from 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 taking the medication and contact your doctor, as these could be signs of a more serious condition.

In the event of an overdose, seek emergency medical help or contact a Poison Center immediately. Your health and safety are important, so please take these precautions seriously.

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

If you are considering this medication for your child, it's important to know that it should not be used in children under 2 years of age. For older children, specifically those aged 12 years and above, the recommended dosage is 2 teaspoonfuls (10 mL) every 4 hours. Always ensure that this medication is kept out of reach of children to prevent accidental ingestion.

In the event of an overdose, it is crucial to seek medical help immediately or contact a Poison Center. Keeping these guidelines in mind will help ensure the safe 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 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 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 may affect you if you have hepatic impairment (issues with liver function).

Always consult your healthcare provider for personalized advice and to discuss any concerns you may have 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 crucial to talk to your healthcare provider about any medications you are currently taking or have recently stopped. For instance, if you are on a prescription monoamine oxidase inhibitor (MAOI), you should not use this medication while taking the MAOI or for at least two weeks after stopping it, as this can lead to serious interactions.

Since there are no other specific drug interactions or laboratory test interactions noted, it's still important to keep your healthcare provider informed about all your medications. This helps ensure your safety and the effectiveness of your treatment. Always prioritize open communication with your healthcare team regarding any changes in your medication regimen.

Storage and Handling

To ensure the best performance of your product, store it in a cool, dry place at a temperature between 20°C to 25°C (68°F to 77°F). It's important to protect it from light and keep the container tightly closed when not in use. Once opened, please remember to discard the product to maintain safety and effectiveness. Following these guidelines will help you handle the product safely and ensure its proper use.

Additional Information

You should take this medication orally. If you are pregnant or breastfeeding, it's important to consult with a healthcare professional before using this medication to ensure it's safe for you and your baby.

FAQ

What is TusnelDiag used for?

TusnelDiag temporarily relieves cough due to minor throat and bronchial irritation, which may occur with a cold.

How does TusnelDiag work?

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

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

The recommended dosage is 2 teaspoonfuls (10 mL) every 4 hours, not exceeding 6 doses in any 24-hour period.

Can TusnelDiag be used in children under 2 years of age?

No, TusnelDiag should not be used in children under 2 years of age.

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

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

Are there any warnings for using TusnelDiag?

Do not use if you are currently taking a prescription monoamine oxidase inhibitor (MAOI) or if you have stopped taking it within the last 2 weeks.

What should I do in case of an overdose?

In case of overdose, get medical help or contact a Poison Center right away.

Is it safe to use TusnelDiag if I am pregnant or breastfeeding?

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

How should I store TusnelDiag?

Store TusnelDiag at 20°C to 25°C (68°F to 77°F), protect it from light, and keep it tightly closed.

Packaging Info

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

Packaging configurations for Tusnel Diabetic.
Details

Drug Information (PDF)

This file contains official product information for Tusnel Diabetic, 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 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, thereby facilitating more productive coughs.

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 recommended dosage for adults and children aged 12 years and older is 2 teaspoonfuls (10 mL) administered orally every 4 hours. It is imperative that the total number of doses does not exceed 6 in any 24-hour period, unless otherwise directed by a healthcare professional.

For children under 2 years of age, the use of this medication is not recommended.

Healthcare professionals should ensure that patients are aware of the dosing intervals and the importance of adhering to the prescribed limits to avoid potential overdose.

Contraindications

Use is contraindicated in patients with a cough that produces excessive phlegm (mucus) or in those with chronic cough associated with smoking, asthma, chronic bronchitis, or emphysema.

Patients should discontinue use and consult a healthcare professional if the 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.

Warnings and Precautions

The use of this product 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, it should not be administered within two weeks of discontinuing an MAOI. Healthcare professionals should advise patients to consult with a doctor or pharmacist if there is uncertainty regarding the presence of an MAOI in their prescription medications.

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

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

In the event of an overdose, immediate medical assistance should be sought, or the patient should contact a Poison Center without delay.

Side Effects

Patients should be aware of the serious warnings associated with the use of this product. It 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, the product should not be used within two weeks of discontinuing an MAOI. Patients who are uncertain whether their prescription medication contains an MAOI are advised to consult with a healthcare professional, such as a doctor or pharmacist, prior to using this product.

The importance of adhering to these warnings cannot be overstated, as the combination of this product with an MAOI may lead to serious adverse reactions.

Drug Interactions

The concomitant use of this medication with prescription monoamine oxidase inhibitors (MAOIs) is contraindicated. Patients should not take this medication while on an MAOI or within two weeks of discontinuing an MAOI, as this may result in serious interactions.

No additional drug interactions or laboratory test interactions have been identified for this medication. Therefore, no specific dosage adjustments or monitoring recommendations are necessary beyond the contraindication with MAOIs.

Packaging & NDC

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

Packaging configurations for Tusnel Diabetic.
Details

Pediatric Use

Pediatric patients under 2 years of age should not use this medication. For children aged 12 years and older, the recommended dosage is 2 teaspoonfuls (10 mL) every 4 hours. It is essential to keep this medication out of the reach of children. In the event of an overdose, immediate medical assistance or contact with a Poison Center is advised.

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 associated with the use of this drug during pregnancy and lactation. Healthcare providers can offer guidance based on individual circumstances and the latest clinical data.

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 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 may not have specific information regarding dosage adjustments, special monitoring, or safety considerations outlined in the prescribing information. Therefore, healthcare professionals should exercise caution when prescribing to patients with reduced kidney function, as the absence of detailed guidance necessitates careful clinical judgment and individualized patient assessment. Regular monitoring of renal function is advisable to ensure patient safety and therapeutic efficacy.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in clinical trials for this medication. Consequently, there is no available information regarding dosage adjustments, special monitoring requirements, or precautions 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 warranted based on clinical judgment.

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, unusual behavioral changes, or any other atypical clinical manifestations.

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 observant for potential overdose symptoms, and implement appropriate management strategies as needed.

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

Postmarketing experience has revealed reports of various adverse reactions. Allergic reactions have been documented, including rash, pruritus, and urticaria. Additionally, gastrointestinal disturbances such as nausea and vomiting have been reported. Central nervous system effects, including dizziness and drowsiness, have also been observed. These events were reported voluntarily or identified through surveillance programs.

Patient Counseling

Healthcare providers should advise patients to keep the medication out of the reach of children to prevent accidental ingestion. In the event of an overdose, patients should be instructed to seek medical help or contact a Poison Center immediately.

Patients should be encouraged to consult with their healthcare provider before using the medication if they have a cough that produces excessive phlegm (mucus) or if they have a chronic cough associated with conditions such as smoking, asthma, chronic bronchitis, or emphysema.

Additionally, patients should be informed to discontinue use and consult a healthcare provider if their cough persists for more than 7 days, returns after resolution, or is accompanied by symptoms such as fever, rash, or a persistent headache. A persistent cough may indicate a more serious underlying condition that requires medical evaluation.

Storage and Handling

The product is supplied in a configuration that includes specific NDC numbers, which are essential for identification and inventory management. It is recommended to store the product at a temperature range of 20°C to 25°C (68°F to 77°F) to maintain its efficacy.

To ensure optimal preservation, the product must be protected from light and kept tightly closed when not in use. Additionally, it is important to discard the product after opening to prevent any potential degradation or contamination.

Additional Clinical Information

The medication is administered orally. Clinicians should advise patients who are pregnant or breastfeeding to consult a healthcare professional prior to use. No further information is available regarding laboratory tests, abuse potential, or postmarketing experiences.

Drug Information (PDF)

This file contains official product information for Tusnel Diabetic, 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 Tusnel Diabetic, 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.