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Nitecin

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Active ingredients
  • Doxylamine Succinate 6.25 mg
  • Acetaminophen 325 mg
  • Dextromethorphan Hydrobromide 15 mg
Other brand names
Drug classes
Antihistamine, Sigma-1 Agonist, Uncompetitive N-methyl-D-aspartate Receptor Antagonist
Dosage form
Capsule, Liquid Filled
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2022
Label revision date
July 17, 2025
Active ingredients
  • Doxylamine Succinate 6.25 mg
  • Acetaminophen 325 mg
  • Dextromethorphan Hydrobromide 15 mg
Other brand names
Drug classes
Antihistamine, Sigma-1 Agonist, Uncompetitive N-methyl-D-aspartate Receptor Antagonist
Dosage form
Capsule, Liquid Filled
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 2022
Label revision date
July 17, 2025
Manufacturer
OPMX LLC
Registration number
M012
NDC root
69729-054

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Drug Overview

Nitecin is a medication designed to provide relief from multiple symptoms associated with the common cold and flu, particularly at night. It contains three active ingredients: acetaminophen (a pain reliever and fever reducer), dextromethorphan HBr (a cough suppressant), and doxylamine succinate (an antihistamine that helps with sneezing and runny nose).

This combination works together to temporarily alleviate symptoms such as cough, sore throat, headache, minor aches and pains, fever, and runny nose, helping you feel more comfortable during your illness.

Uses

This medication is designed to temporarily relieve symptoms associated with the common cold and flu. If you're experiencing a cough due to minor throat and bronchial irritation, a sore throat, headache, minor aches and pains, fever, or a runny nose with sneezing, this product may help alleviate those discomforts.

It's important to note that there are no reported teratogenic effects (which means it doesn't cause birth defects) or nonteratogenic effects associated with this medication. Always consult with a healthcare professional if you have any concerns or questions about using this product.

Dosage and Administration

It's important to take this medication exactly as directed. For adults and children aged 12 years and older, you should take 2 softgels with a glass of water every 6 hours. However, make sure not to exceed 4 doses in a 24-hour period to avoid any potential risks.

If you have children between the ages of 4 and 12, it's best to consult a doctor before giving them this medication. For children under 4 years old, you should not use this medication at all. Always follow these guidelines to ensure safe and effective use.

What to Avoid

You should avoid using this medication if you are currently taking any other drug that contains acetaminophen, whether it's a prescription or over-the-counter product. If you're unsure whether a medication contains acetaminophen, please consult your doctor or pharmacist for clarification. Additionally, do not use this medication if you are taking a prescription monoamine oxidase inhibitor (MAOI), which is a type of drug used for depression, psychiatric conditions, or Parkinson's disease, or if you have stopped taking an MAOI within the last two weeks. Again, if you are uncertain about your medications, it's best to ask a healthcare professional.

Side Effects

You should be aware that this product contains acetaminophen, which can lead to severe liver damage if you exceed the recommended dosage of 4 doses in 24 hours, take it with other acetaminophen-containing medications, or consume 3 or more alcoholic drinks daily while using it. Additionally, acetaminophen may cause serious skin reactions, including redness, blisters, and rashes. If you notice any skin reactions, stop using the product and seek medical help immediately.

While using this product, you may experience excitability, especially in children, and marked drowsiness. It's important to avoid alcohol, as it can increase drowsiness, and be cautious when driving or operating machinery. If your pain or cough worsens or lasts more than 7 days, or if you develop new symptoms, consult a doctor. You should also talk to a healthcare professional before using this product if you have liver disease, glaucoma, or any breathing problems, among other conditions.

Warnings and Precautions

This product contains acetaminophen, which can lead to severe liver damage if you take more than 4 doses in 24 hours, use it with other medications containing acetaminophen, or consume 3 or more alcoholic drinks daily while using it. Additionally, be aware that acetaminophen may cause serious skin reactions, such as skin reddening, blisters, or rash. If you notice any skin reactions, stop using the product and seek medical help immediately. If you have a severe sore throat that lasts more than 2 days or is accompanied by fever, headache, rash, nausea, or vomiting, contact your doctor promptly.

Before using this product, do not combine it with any other medications containing acetaminophen. If you are taking a prescription monoamine oxidase inhibitor (MAOI) for depression or other conditions, do not use this product while on the MAOI or for 2 weeks after stopping it. Consult your doctor if you have liver disease, glaucoma, a chronic cough with phlegm, breathing problems, or difficulty urinating due to an enlarged prostate. If you are taking sedatives, tranquilizers, or the blood thinner warfarin, ask your doctor or pharmacist before use.

In case of an overdose, seek medical help or contact a Poison Control Center immediately, as quick attention is crucial. Stop using the product and call your doctor if your pain or cough worsens or lasts more than 7 days, if your fever worsens or lasts more than 3 days, if you notice redness or swelling, if new symptoms appear, or if your cough returns with a rash or headache that lasts. These could indicate a serious condition.

Overdose

If you suspect an overdose, it’s important to seek medical help immediately or contact a Poison Control Center. Quick medical attention is crucial for both adults and children, even if you don’t see any signs or symptoms of an overdose.

Signs of an overdose can vary, but they may include unusual drowsiness, confusion, or difficulty breathing. If you notice any of these symptoms, don’t hesitate to get help right away. Remember, acting quickly can make a significant difference in ensuring safety and health.

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 the age guidelines. For children aged 4 to under 12 years, you should consult with a doctor before use. However, this medication is not recommended for children under 4 years old.

Be aware that marked drowsiness may occur, particularly in children, so monitor your child closely. Additionally, if you notice any concerning symptoms or if you have any doubts, seek medical attention promptly, as quick action is crucial for both adults and children, even if no signs are immediately apparent.

Geriatric Use

While there is no specific information available about the use of this medication in older adults, it’s important to approach any new treatment with caution. Since older adults may have different health needs and may be taking multiple medications, it’s always a good idea to consult with a healthcare provider before starting any new medication. They can help ensure that the treatment is safe and appropriate for your individual health situation.

If you or a loved one is an older adult, be sure to discuss any concerns about potential side effects or interactions with other medications you may be taking. Your healthcare provider can provide guidance tailored to your specific needs.

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 may affect you if your kidneys are not functioning properly.

Always consult your healthcare provider for personalized advice and to ensure that any medication you take is safe and appropriate for your kidney health. They can help monitor your condition and make any necessary adjustments to your treatment plan.

Hepatic Impairment

If you have liver problems, it's important to be cautious when using this product, which contains acetaminophen. To avoid severe liver damage, do not take more than 4 doses in a 24-hour period, as this is the maximum daily amount. Additionally, be careful not to combine this product with other medications that also contain acetaminophen, and limit your alcohol intake to fewer than 3 drinks per day while using it.

Before using this product, please consult your doctor if you have liver disease. They can provide guidance tailored to your specific health needs and help ensure your safety while using this medication.

Drug Interactions

It's important to be cautious when taking this medication, especially regarding potential interactions with other drugs. You should avoid using it alongside any other products that contain acetaminophen, whether they are prescription or over-the-counter. Additionally, if you are currently taking a monoamine oxidase inhibitor (MAOI)—a type of medication often used for depression or certain other conditions—or have taken one in the last two weeks, you should not use this medication.

Before starting this medication, it's wise to consult with your doctor or pharmacist if you are taking sedatives, tranquilizers, or the blood thinner warfarin. Be aware that alcohol, sedatives, and tranquilizers can increase drowsiness, so discussing your full list of medications and any alcohol use with your healthcare provider is essential for your safety.

Storage and Handling

To ensure the best performance of your product, store it at room temperature. This helps maintain its effectiveness and safety. When handling the product, be sure to do so with clean hands and in a clean environment to avoid contamination. Always follow any specific instructions provided for use and disposal to ensure safety and proper functioning.

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 Nitecin used for?

Nitecin is used for the temporary relief of common cold and flu symptoms, including cough, sore throat, headache, minor aches and pains, fever, runny nose, and sneezing.

What are the active ingredients in Nitecin?

Nitecin contains Acetaminophen, Dextromethorphan HBr, and Doxylamine Succinate.

How should I take Nitecin?

Adults and children 12 years and over should take 2 softgels with water every 6 hours, not exceeding 4 doses in 24 hours. For children 4 to under 12 years, consult a doctor.

Are there any contraindications for using Nitecin?

Do not use Nitecin with any other drug containing acetaminophen or if you are taking a prescription monoamine oxidase inhibitor (MAOI).

What should I do if I experience side effects?

If you experience severe skin reactions, worsening pain or cough, or new symptoms, stop use and consult a doctor immediately.

Can I use Nitecin if I am pregnant or breastfeeding?

If you are pregnant or breastfeeding, consult a health professional before using Nitecin.

What precautions should I take while using Nitecin?

Avoid alcoholic drinks, as they may increase drowsiness. Be cautious when driving or operating machinery.

What should I do in case of an overdose?

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

Packaging Info

Below are the non-prescription pack sizes of Nitecin (acetaminophen, dextromethorphan hydrobromide, doxylamine succinate). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Nitecin.
Details

Drug Information (PDF)

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

View product document (PDF)

Description

Nitecin is a multi-symptom relief formulation indicated for the treatment of cough and flu symptoms. Each softgel contains a combination of acetaminophen, dextromethorphan HBr, and doxylamine succinate. The product is available in a package containing 10 softgels (NDC 69729-054-10). It is specifically designed for night-time relief of symptoms associated with colds and flu.

Uses and Indications

This drug is indicated for the temporary relief of symptoms associated with the common cold and influenza. Specifically, it alleviates cough due to minor throat and bronchial irritation, sore throat, headache, minor aches and pains, fever, as well as runny nose and sneezing.

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

Dosage and Administration

Patients should take the medication only as directed. The maximum allowable dosage is four doses within a 24-hour period.

For adults and children aged 12 years and older, the recommended dosage is two softgels taken with water every six hours.

For children aged 4 to under 12 years, it is advised to consult a physician for appropriate dosing recommendations.

The medication is not indicated for use in children under 4 years of age.

Contraindications

Use of this product is contraindicated in the following situations:

  • Concurrent use with any other drug containing acetaminophen, whether prescription or nonprescription, due to the risk of acetaminophen overdose. If there is uncertainty regarding the presence of acetaminophen in other medications, consultation with a healthcare professional is advised.

  • In patients currently taking a prescription monoamine oxidase inhibitor (MAOI) or within 2 weeks of discontinuing such treatment. MAOIs are commonly prescribed for depression, psychiatric or emotional conditions, or Parkinson's disease. If there is uncertainty about the presence of an MAOI in a prescription medication, a healthcare professional should be consulted prior to use.

Warnings and Precautions

This product contains acetaminophen, which poses a risk of severe liver damage if the following conditions are met: exceeding 4 doses within a 24-hour period, concurrent use with other medications containing acetaminophen, or consumption of 3 or more alcoholic drinks daily while using this product.

Acetaminophen may also lead to severe skin reactions, which can manifest as skin reddening, blisters, or rash. In the event of a skin reaction, it is imperative to discontinue use immediately and seek medical assistance. Additionally, if a sore throat is severe, persists for more than 2 days, or is accompanied by fever, headache, rash, nausea, or vomiting, prompt medical evaluation is necessary.

General precautions should be observed when using this product. It is contraindicated to use with any other drug containing acetaminophen, whether prescription or nonprescription. If there is uncertainty regarding the presence of acetaminophen in another medication, consultation with a healthcare professional is advised. The product should not be used in conjunction with prescription monoamine oxidase inhibitors (MAOIs) or for 2 weeks following the cessation of such medications. Healthcare professionals should be consulted to confirm whether any current prescription includes an MAOI.

Before using this product, individuals should seek medical advice if they have liver disease, glaucoma, a cough associated with excessive phlegm, a chronic cough related to smoking, asthma, chronic bronchitis, emphysema, or difficulty urinating due to an enlarged prostate gland. Additionally, it is advisable to consult a healthcare provider if taking sedatives, tranquilizers, or the anticoagulant warfarin.

In the event of an overdose, immediate medical attention is crucial. Contact a Poison Control Center or seek emergency medical help without delay, as rapid intervention is vital for both adults and children, even in the absence of noticeable symptoms.

Patients should discontinue use and consult a healthcare professional if pain or cough worsens or persists beyond 7 days, if fever worsens or lasts more than 3 days, if redness or swelling occurs, if new symptoms develop, or if a cough recurs alongside a rash or headache that lasts. These symptoms may indicate a serious underlying condition requiring further evaluation.

Side Effects

Severe adverse reactions associated with this product include the potential for severe liver damage, particularly in patients who exceed the maximum recommended dosage of four doses within a 24-hour period, use other medications containing acetaminophen concurrently, or consume three or more alcoholic drinks daily while using this product.

Patients should be aware of the risk of severe skin reactions, which may manifest as skin reddening, blisters, or rash. In the event of any skin reaction, it is imperative to discontinue use and seek medical assistance immediately.

Common adverse reactions reported during clinical use include excitability, particularly in children, and marked drowsiness. Patients are advised to avoid alcoholic beverages, as well as sedatives and tranquilizers, which may exacerbate drowsiness. Caution is recommended when driving or operating machinery due to the potential for impaired alertness.

Patients should discontinue use and consult a healthcare professional if pain or cough worsens or persists beyond seven days, if fever worsens or lasts more than three days, if redness or swelling occurs, if new symptoms develop, or if a cough recurs with a rash or headache that lasts, as these may indicate a serious condition.

Prior to using this product, patients with liver disease, glaucoma, a cough accompanied by excessive phlegm, or chronic respiratory conditions such as asthma, chronic bronchitis, or emphysema should seek medical advice. Additionally, individuals experiencing difficulty urinating due to an enlarged prostate gland, or those taking sedatives, tranquilizers, or the blood-thinning medication warfarin, should consult a healthcare provider or pharmacist before use.

Drug Interactions

Concurrent use of this medication with other products containing acetaminophen, whether prescription or nonprescription, is contraindicated due to the risk of acetaminophen overdose and potential hepatotoxicity.

The use of this medication is also contraindicated in patients currently taking a prescription monoamine oxidase inhibitor (MAOI) for depression, psychiatric or emotional conditions, or Parkinson's disease, and for a period of 2 weeks following the discontinuation of the MAOI. This interaction may lead to serious adverse effects, including hypertensive crises.

Patients should consult a healthcare professional prior to using this medication if they are concurrently taking sedatives or tranquilizers, as these substances may enhance the sedative effects of the medication, leading to increased drowsiness.

Additionally, individuals taking the anticoagulant warfarin should seek advice from a healthcare provider before using this medication, as there may be an increased risk of bleeding due to potential interactions.

Caution is advised when consuming alcohol, as it may further increase drowsiness when taken in conjunction with this medication, along with other sedatives and tranquilizers. Monitoring for excessive sedation and other related effects is recommended in such cases.

Packaging & NDC

Below are the non-prescription pack sizes of Nitecin (acetaminophen, dextromethorphan hydrobromide, doxylamine succinate). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Nitecin.
Details

Pediatric Use

Pediatric patients aged 4 to under 12 years should consult a healthcare professional before use. The medication is contraindicated in children under 4 years of age.

Marked drowsiness may occur, particularly in pediatric patients, necessitating caution. Quick medical attention is essential for both adults and children, even in the absence of noticeable signs or symptoms.

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 its use during pregnancy and lactation. The safety of this medication in pregnant women has not been established, and caution is advised to ensure the well-being of both the mother and the fetus.

Lactation

Lactating mothers are advised to consult a health professional prior to using this medication. There is currently no available data regarding the excretion of this medication 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 drug insert regarding dosage adjustments, special monitoring, or safety considerations. Therefore, healthcare professionals should exercise caution when prescribing this medication to individuals with reduced kidney function, as the absence of detailed guidance necessitates careful clinical judgment. Regular monitoring of renal function may be advisable in these patients to ensure safety and efficacy.

Hepatic Impairment

Patients with hepatic impairment should exercise caution when using this product, which contains acetaminophen. Severe liver damage may occur if patients exceed the maximum daily dosage of 4 doses within a 24-hour period. Additionally, patients should avoid concomitant use with other medications containing acetaminophen, as this can further increase the risk of liver injury.

It is also advised that patients consuming three or more alcoholic drinks daily refrain from using this product, as alcohol can exacerbate the potential for liver damage.

Before initiating treatment, patients with known liver disease should consult a healthcare professional to assess the appropriateness of this product for their condition. Monitoring of liver function may be warranted in these patients to ensure safety and efficacy during treatment.

Overdosage

In the event of an overdose, it is imperative to seek immediate medical assistance or contact a Poison Control Center without delay. Prompt medical intervention is crucial for both adults and children, even in instances where no signs or symptoms are initially apparent.

Healthcare professionals should be aware that the absence of symptoms does not preclude the possibility of serious complications. Therefore, vigilance and timely action are essential in managing potential overdose situations effectively.

Nonclinical Toxicology

There is currently no available information regarding teratogenic effects. Similarly, no data has been provided concerning non-teratogenic effects. Additionally, there is no information available in the nonclinical toxicology section. Furthermore, no details have been reported in the context of animal pharmacology and toxicology.

Postmarketing Experience

Postmarketing experience has identified several adverse reactions associated with the use of the product. Notably, severe skin reactions have been reported, which include symptoms such as skin reddening, blisters, and rash. In the event of a skin reaction, it is advised to discontinue use immediately and seek medical assistance.

Patient Counseling

Healthcare providers should advise patients to keep this medication out of reach of children to prevent accidental ingestion. Patients should be instructed not to use this product in conjunction with any other medications containing acetaminophen, whether prescription or nonprescription. If patients are uncertain whether a drug contains acetaminophen, they should be encouraged to consult a doctor or pharmacist.

It is important to inform patients that they should not use this product if they are currently taking a prescription monoamine oxidase inhibitor (MAOI) or have stopped taking an MAOI within the last two weeks. Patients who are unsure if their prescription medication contains an MAOI should seek guidance from a healthcare professional.

Patients should be advised to discontinue use and consult a doctor if their pain or cough worsens or persists for more than 7 days, if their fever worsens or lasts more than 3 days, or if they notice any redness or swelling. They should also be instructed to seek medical advice if new symptoms arise or if a cough returns, particularly if accompanied by a rash or headache that lasts, as these may indicate a serious condition.

When using this product, patients should be made aware that excitability may occur, especially in children, and that marked drowsiness is a possible side effect. They should be cautioned against consuming alcoholic beverages while using this product, as well as being careful when driving or operating machinery due to the potential for drowsiness. Additionally, patients should be informed that the use of alcohol, sedatives, and tranquilizers may enhance drowsiness.

Patients with liver disease, glaucoma, a cough that produces excessive phlegm, or breathing problems such as chronic cough, asthma, chronic bronchitis, or emphysema should be advised to consult a doctor before using this product. Those experiencing difficulty urinating due to an enlarged prostate gland should also seek medical advice prior to use. Furthermore, patients taking sedatives, tranquilizers, or the blood-thinning medication warfarin should be encouraged to consult a doctor or pharmacist before using this product.

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 room temperature to maintain its integrity and efficacy. No special handling requirements are necessary beyond standard storage practices.

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 additional information is available regarding laboratory tests, abuse potential, or postmarketing experience.

Drug Information (PDF)

This file contains official product information for Nitecin, 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 Nitecin, 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.