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Alka-Seltzer Plus Maximum Strength Severe Sinus Congestion and Cough Day and ...

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Active ingredients
  • Acetaminophen 325 mg
  • Dextromethorphan Hydrobromide 10 mg
  • Phenylephrine Hydrochloride 5 mg
Other brand names
Dosage form
Capsule, Liquid Filled
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2017
Label revision date
December 4, 2025
Active ingredients
  • Acetaminophen 325 mg
  • Dextromethorphan Hydrobromide 10 mg
  • Phenylephrine Hydrochloride 5 mg
Other brand names
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 2017
Label revision date
December 4, 2025
Manufacturer
Bayer HealthCare LLC.
Registration number
M012
NDC root
0280-1610

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Drug Overview

This medication is designed to temporarily relieve symptoms associated with a cold or flu, such as nasal congestion, sinus pressure, headaches, minor aches and pains, cough, and sore throat. It works by helping to clear nasal passages and shrink swollen membranes, making it easier for you to breathe. Additionally, it can help reduce fever, providing you with some comfort while you recover.

Uses

If you're dealing with the discomfort of a cold or flu, this medication can help. It temporarily relieves symptoms such as nasal congestion, sinus pressure, headaches, minor aches and pains, cough, and sore throat. By helping to clear your nasal passages and shrink swollen membranes, it makes breathing easier when you're feeling under the weather.

Additionally, this medication can temporarily reduce fever, providing you with some relief from the discomfort that often accompanies illness. Remember, it's important to use it as directed to effectively manage your symptoms.

Dosage and Administration

If you are an adult or a child aged 12 years and older, you should take 2 capsules with a glass of water every 4 hours as needed. However, it's important not to exceed 10 capsules in a 24-hour period unless your doctor advises otherwise.

For children under 12 years old, this medication is not recommended, so please avoid using it for that age group. Always follow the instructions provided by your healthcare provider to ensure safe and effective use.

What to Avoid

You should avoid using this product if you are currently taking any other medication that contains acetaminophen, whether it's a prescription or over-the-counter drug. If you're unsure about a medication, it's best to consult with your doctor or pharmacist. Additionally, do not use this product if you are taking a prescription monoamine oxidase inhibitor (MAOI) for depression, psychiatric conditions, or Parkinson's disease, or if you have stopped taking an MAOI within the last two weeks. It's also important to avoid this product if you have had an allergic reaction to it or any of its ingredients, and it should not be given to children under 12 years of age.

While using this product, make sure not to exceed the recommended dosage, as misuse can lead to serious health issues. Always prioritize your safety by following these guidelines closely.

Side Effects

You should be aware of some important warnings and potential side effects when using this product, which contains acetaminophen. Taking more than 4,000 mg of acetaminophen in 24 hours, using it with other acetaminophen-containing medications, or consuming three or more alcoholic drinks daily while using this product can lead to severe liver damage. Additionally, acetaminophen may cause serious allergic reactions, which can include symptoms like skin reddening, blisters, rash, hives, facial swelling, asthma (wheezing), or even shock. If you experience any of these symptoms, stop using the product and seek medical help immediately.

It's also important to consult a doctor if your pain, cough, or nasal congestion worsens or lasts more than seven days, if your fever persists for more than three days, or if you notice any new symptoms. Other side effects may include nervousness, dizziness, or sleeplessness. If you have certain health conditions, such as liver disease, heart disease, or diabetes, or if you are taking blood thinners like warfarin, be sure to talk to your doctor before using this product.

Warnings and Precautions

This product contains acetaminophen, which can lead to severe liver damage if you take more than 4,000 mg in 24 hours, use it with other acetaminophen-containing medications, or consume three or more alcoholic drinks daily while using it. Be aware that acetaminophen may also cause serious skin or allergic reactions, such as skin reddening, blisters, or facial swelling. If you experience any of these symptoms, stop using the product and seek medical help immediately. Additionally, if you have a severe sore throat that lasts more than two days or is accompanied by fever, headache, rash, nausea, or vomiting, consult your doctor promptly.

To ensure your safety, do not use this product with any other medications containing acetaminophen, and avoid it if you are currently taking a monoamine oxidase inhibitor (MAOI) or have had an allergic reaction to it in the past. This product is not recommended for children under 12 years of age. If you suspect an overdose, seek emergency medical assistance or contact a Poison Control Center right away, as quick action is crucial.

You should also stop using this product and call your doctor if your pain, cough, or nasal congestion worsens or lasts more than seven days, if your fever persists for more than three days, or if you notice any new symptoms. Other warning signs include worsening redness or swelling, a cough that returns with a rash or headache, or feelings of nervousness, dizziness, or sleeplessness.

Overdose

Taking more than 4,000 mg of acetaminophen in a 24-hour period can lead to severe liver damage. If you think you or someone else may have taken too much acetaminophen, it’s important to seek emergency medical help right away.

Signs of an overdose can include nausea, vomiting, loss of appetite, confusion, or jaundice (yellowing of the skin or eyes). If you notice any of these symptoms or suspect an overdose, don’t hesitate to get medical assistance. 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 doctor regarding your breastfeeding journey.

Pediatric Use

It’s important to be cautious when considering this medication for children. You should not use it in children under 12 years of age. For those 12 years and older, the recommended dosage is 2 capsules taken with water every 4 hours, but be sure not to exceed 10 capsules in a 24-hour period unless directed by a doctor. Always consult with a healthcare professional if you have any questions or concerns about using this medication for your child.

Geriatric Use

If you are an older adult or caring for one, it's important to be aware of some general precautions when using this medication. Before starting, consult with a doctor if there are any existing health issues, such as liver disease, heart disease, high blood pressure, thyroid disease, diabetes, or difficulty urinating due to an enlarged prostate. These conditions can affect how the medication works for you.

This medication may cause significant drowsiness, so it's wise to avoid alcohol and other sedatives, as they can increase this effect. Be cautious when driving or operating machinery. For adults and children aged 12 and older, the recommended dosage is 2 capsules every 4 hours, with a maximum of 10 capsules in a 24-hour period. There are no specific dosage adjustments mentioned for older adults, but always follow your healthcare provider's advice.

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 standard recommendations for the medication do not include special monitoring or safety considerations tailored for patients with renal impairment (kidney issues).

Always consult your healthcare provider for personalized advice and to ensure that your treatment plan is safe and effective for your specific health needs. They can provide guidance based on your kidney function and overall health.

Hepatic Impairment

If you have liver problems, it's important to be cautious when using products that contain acetaminophen. Taking more than 4,000 mg of acetaminophen in a 24-hour period can lead to severe liver damage. Additionally, combining this product with other medications that also contain acetaminophen can increase your risk.

You should also be aware that consuming three or more alcoholic drinks each day while using this product can further harm your liver. Always consult with your healthcare provider for personalized advice and to ensure your safety when using medications.

Drug Interactions

It's important to talk to your doctor or pharmacist before using this product, especially if you are taking warfarin, a blood-thinning medication. Combining these can increase the risk of bleeding, which can be serious.

Additionally, be cautious if you consume alcohol or take sedatives and tranquilizers while using this product, as it contains doxylamine succinate, which can make you feel more drowsy. Always discuss your current medications and any tests with your healthcare provider to ensure your safety and well-being.

Storage and Handling

To ensure the best performance of your product, store it at room temperature, keeping it away from excessive heat. Temperatures above 40ºC (104ºF) can damage the product, so it's important to find a cool, dry place for storage.

When handling the product, always do so with clean hands and in a clean environment to maintain its integrity. Following these simple guidelines will help you use the product safely and effectively.

Additional Information

No further information is available.

FAQ

What symptoms does this drug relieve?

This drug temporarily relieves symptoms due to a cold or flu, including nasal congestion, sinus congestion and pressure, headache, minor aches and pains, cough, and sore throat.

How does this drug work?

It helps clear nasal passages and shrinks swollen membranes, and it temporarily reduces fever.

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

Adults and children 12 years and over should take 2 capsules with water every 4 hours, not exceeding 10 capsules in 24 hours.

Are there any contraindications for this drug?

Do not use this drug with any other product containing acetaminophen, if you are taking a prescription monoamine oxidase inhibitor (MAOI), or if you have had an allergic reaction to this product.

What should I do if I experience severe side effects?

If you experience severe skin reactions, difficulty breathing, or if symptoms worsen or persist, stop use and seek medical help immediately.

Is this drug safe for children under 12?

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

What should I do in case of overdose?

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

Can I use this drug if I am pregnant or breastfeeding?

If you are pregnant or breastfeeding, ask a health professional before use.

What precautions should I take if I have liver disease?

If you have liver disease, consult a doctor before using this product, as it contains acetaminophen which can cause severe liver damage.

What should I avoid while using this drug?

Avoid using this drug with other acetaminophen-containing products and limit alcohol consumption, as it may increase the risk of liver damage.

Packaging Info

Below are the non-prescription pack sizes of Alka-Seltzer Plus Maximum Strength Severe Sinus Congestion and Cough Day and Night (acetaminophen, dextromethorphan hydrobromide, doxylamine succinate, phenylephrine hydrochloride). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Alka-Seltzer Plus Maximum Strength Severe Sinus Congestion and Cough Day and Night packaging includes kits with multiple components.
Details

Drug Information (PDF)

This file contains official product information for Alka-Seltzer Plus Maximum Strength Severe Sinus Congestion and Cough Day and Night, 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 drug.

Uses and Indications

This drug is indicated for the temporary relief of symptoms associated with the common cold or influenza. These symptoms include nasal congestion, sinus congestion and pressure, headache, minor aches and pains, cough, and sore throat. Additionally, this drug aids in clearing nasal passages and reducing swollen membranes, while also providing temporary reduction of fever.

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

Dosage and Administration

Adults and children aged 12 years and over are instructed to take 2 capsules with water every 4 hours as needed. The maximum dosage should not exceed 10 capsules within a 24-hour period, unless otherwise directed by a healthcare professional.

Use is not recommended for children under 12 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.

  • In patients currently taking a prescription monoamine oxidase inhibitor (MAOI) or within 2 weeks of discontinuing such medication, as this may lead to serious drug interactions.

  • In individuals with a history of allergic reactions to this product or any of its ingredients, to prevent potential anaphylactic reactions.

  • In children under 12 years of age, due to safety concerns and lack of efficacy data in this population.

Warnings and Precautions

This product contains acetaminophen, which poses a significant risk of severe liver damage if the following conditions are met: exceeding 4,000 mg of acetaminophen within a 24-hour period, concurrent use with other medications containing acetaminophen, or consumption of three or more alcoholic beverages daily while using this product.

Allergy Alert Acetaminophen may lead to severe skin or allergic reactions. Symptoms indicative of such reactions include skin reddening, blisters, rash, hives, facial swelling, wheezing, and shock. In the event of a skin or general allergic reaction, it is imperative to discontinue use immediately and seek medical assistance.

Sore Throat Warning Healthcare professionals should advise patients to consult a doctor promptly if a sore throat is severe, persists for more than two days, or is accompanied by fever, headache, rash, nausea, or vomiting.

General Precautions Patients should be cautioned against using this product in conjunction with any other medications containing acetaminophen, whether prescription or nonprescription. If there is uncertainty regarding the presence of acetaminophen in other medications, consultation with a doctor or pharmacist is recommended. Additionally, this product should not be used by individuals currently taking a prescription monoamine oxidase inhibitor (MAOI) or within two weeks of discontinuing such medication. Patients with a history of allergic reactions to this product or any of its components should also refrain from use. This product is contraindicated in children under 12 years of age.

Emergency Medical Help In the event of an overdose, immediate medical attention is crucial. Patients or caregivers should contact a Poison Control Center or seek emergency medical help without delay, as prompt intervention is essential for both adults and children, even in the absence of noticeable symptoms.

When to Stop Taking the Product Patients should discontinue use and consult a doctor if any of the following occur: pain, cough, or nasal congestion worsens or persists beyond seven days; fever worsens or lasts more than three days; redness or swelling is observed; new symptoms develop; or if a cough recurs or is accompanied by a rash or headache lasting longer than expected. Additionally, if nervousness, dizziness, or sleeplessness occurs, medical advice should be sought. These symptoms may indicate a serious underlying condition that requires further evaluation.

Side Effects

Patients using this product should be aware of several important warnings and potential adverse reactions.

Severe liver damage may occur if patients exceed 4,000 mg of acetaminophen in a 24-hour period, use other medications containing acetaminophen concurrently, or consume three or more alcoholic drinks daily while using this product.

Additionally, acetaminophen may cause severe skin or allergic reactions. Symptoms of such reactions can include skin reddening, blisters, rash, hives, facial swelling, asthma (wheezing), and shock. If any signs of a skin or general allergic reaction occur, patients are advised to discontinue use immediately and seek medical assistance.

Patients should also be cautious if they experience a sore throat that is severe, persists for more than two days, or is accompanied by fever, headache, rash, nausea, or vomiting, as these may indicate a serious condition requiring prompt medical consultation.

Patients are advised to stop use and consult a doctor if pain, cough, or nasal congestion worsens or lasts more than seven days, if fever worsens or lasts more than three days, if redness or swelling is present, if new symptoms arise, or if a cough returns or occurs with a rash or headache that persists. The emergence of nervousness, dizziness, or sleeplessness should also prompt a consultation with a healthcare provider.

Before using this product, patients should consult a doctor if they have liver disease, heart disease, high blood pressure, thyroid disease, diabetes, a cough with excessive phlegm, difficulty urinating due to prostate enlargement, or a persistent or chronic cough associated with smoking, asthma, or emphysema. Furthermore, patients taking the blood-thinning medication warfarin should seek advice from a doctor or pharmacist prior to use.

Drug Interactions

Patients should consult a healthcare professional prior to using this product if they are concurrently taking warfarin, a blood-thinning medication. The combination may lead to an increased risk of bleeding due to a potential interaction with acetaminophen.

In addition, the use of this product, which contains doxylamine succinate, in conjunction with alcohol, sedatives, or tranquilizers may enhance drowsiness. Caution is advised when engaging in activities that require alertness, and monitoring for increased sedation is recommended.

Packaging & NDC

Below are the non-prescription pack sizes of Alka-Seltzer Plus Maximum Strength Severe Sinus Congestion and Cough Day and Night (acetaminophen, dextromethorphan hydrobromide, doxylamine succinate, phenylephrine hydrochloride). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Alka-Seltzer Plus Maximum Strength Severe Sinus Congestion and Cough Day and Night packaging includes kits with multiple components.
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 2 capsules taken with water every 4 hours, with a maximum of 10 capsules in a 24-hour period, unless otherwise directed by a healthcare professional. Caution is advised to ensure adherence to the recommended dosing guidelines.

Geriatric Use

Elderly patients may require careful consideration when using this medication, as no specific geriatric use information is provided in the prescribing insert. It is advisable for geriatric patients to consult a healthcare provider prior to use, particularly if they have underlying health conditions such as liver disease, heart disease, high blood pressure, thyroid disease, diabetes, or difficulty urinating due to prostate gland enlargement.

This medication has the potential to cause marked drowsiness; therefore, elderly patients should be cautioned against the consumption of alcoholic beverages, as well as the use of sedatives and tranquilizers, which may exacerbate drowsiness. Additionally, caution is advised when driving a motor vehicle or operating machinery due to the risk of impaired alertness.

The recommended dosage for adults and children aged 12 years and older is 2 capsules every 4 hours, with a maximum limit of 10 capsules within a 24-hour period. While no specific dosage adjustments are indicated for elderly patients, healthcare providers should monitor for any adverse effects and consider individual patient factors when determining the appropriateness of this medication.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional prior to using this medication. The potential risks and benefits must be carefully considered in these populations to ensure the safety of both the mother and the fetus or infant.

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

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 should be closely monitored when using this product, which contains acetaminophen. It is important to note that severe liver damage may occur if patients exceed the recommended dosage of 4,000 mg of acetaminophen in a 24-hour period. Additionally, patients should avoid the concurrent use of other medications containing acetaminophen, as this can further increase the risk of liver injury.

Patients with compromised liver function are also advised to limit alcohol consumption. Specifically, the intake of three or more alcoholic drinks per day while using this product may significantly heighten the risk of liver damage. Therefore, careful consideration of liver function and adherence to recommended dosing guidelines is essential to minimize the potential for adverse effects in this patient population.

Overdosage

In cases of acetaminophen overdosage, severe liver damage may occur if an individual ingests more than 4,000 mg within a 24-hour period. This threshold is critical, as exceeding it significantly increases the risk of hepatotoxicity.

Healthcare professionals are advised to seek emergency medical assistance immediately if an acetaminophen overdose is suspected. Prompt intervention is essential to mitigate potential complications and to initiate appropriate management strategies.

Nonclinical Toxicology

If pregnant or breastfeeding, it is advised to consult a health professional prior to use.

Acetaminophen has been associated with severe skin and allergic reactions. Symptoms of such reactions may include skin reddening, blisters, rash, hives, facial swelling, asthma (wheezing), and shock. In the event of a skin or general allergic reaction, it is imperative to discontinue use and seek medical assistance immediately. Additionally, acetaminophen may induce marked drowsiness, which can be exacerbated by the consumption of alcohol, sedatives, and tranquilizers. There is also a potential for excitability, particularly in children.

No specific nonclinical toxicology data or animal pharmacology and toxicology data have been provided in the insert.

Postmarketing Experience

Postmarketing experience has identified that acetaminophen may be associated with severe skin reactions and severe allergic reactions. Reported symptoms include skin reddening, blisters, rash, hives, facial swelling, asthma (wheezing), and shock. In cases of skin or general allergic reactions, it is advised to discontinue use and seek immediate medical assistance.

Additionally, it is recommended to stop use and consult a healthcare professional if any of the following occur: worsening or persistent pain, cough, or nasal congestion lasting more than 7 days; fever that worsens or lasts more than 3 days; presence of redness or swelling; emergence of new symptoms; recurrence of cough accompanied by rash or headache lasting for an extended period; or the onset of nervousness, dizziness, or sleeplessness. These symptoms may indicate a serious condition requiring medical evaluation.

Patient Counseling

Healthcare providers should advise patients to keep this medication out of reach of children to prevent accidental ingestion. In the event of an overdose, patients must seek medical help or contact a Poison Control Center immediately, as prompt medical attention is crucial for both adults and children, even if no signs or symptoms are apparent.

Patients should be informed 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 consult a doctor or pharmacist for clarification.

It is important to instruct patients not to use this product if they are currently taking a prescription monoamine oxidase inhibitor (MAOI) or have stopped taking one within the past two weeks. Patients should be encouraged to ask their healthcare provider or pharmacist if they are unsure whether their prescription medication contains an MAOI.

Patients with a history of allergic reactions to this product or any of its ingredients should be advised against its use. Additionally, this product is not recommended for children under 12 years of age.

Patients should be instructed to stop using the product and consult a doctor if their pain, cough, or nasal congestion worsens or persists for more than 7 days, or if their fever worsens or lasts more than 3 days. They should also seek medical advice if they notice any redness or swelling, experience new symptoms, or if a cough returns or occurs alongside a rash or headache that lasts, as these may indicate a serious condition. Furthermore, patients should be advised to stop use and consult a doctor if they experience nervousness, dizziness, or sleeplessness.

When using this product, patients must not exceed the recommended dosage. It is also essential to encourage patients to consult a doctor before use if they have liver disease, heart disease, high blood pressure, thyroid disease, diabetes, a cough with excessive phlegm, difficulty urinating due to prostate enlargement, or a persistent or chronic cough associated with smoking, asthma, or emphysema. Lastly, patients taking the blood-thinning medication warfarin should be advised to seek guidance from 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, ensuring that it is kept away from excessive heat, particularly temperatures exceeding 40ºC (104ºF). Proper storage conditions are crucial to maintain the integrity and efficacy of the product.

Additional Clinical Information

No further data are available.

Drug Information (PDF)

This file contains official product information for Alka-Seltzer Plus Maximum Strength Severe Sinus Congestion and Cough Day and Night, 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 Alka-Seltzer Plus Maximum Strength Severe Sinus Congestion and Cough Day and Night, 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.