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Aspirin

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Active ingredient
Aspirin 325 mg
Other brand names
Drug classes
Nonsteroidal Anti-inflammatory Drug, Platelet Aggregation Inhibitor
Dosage form
Tablet, Effervescent
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2025
Label revision date
January 28, 2026
Active ingredient
Aspirin 325 mg
Other brand names
Drug classes
Nonsteroidal Anti-inflammatory Drug, Platelet Aggregation Inhibitor
Dosage form
Tablet, Effervescent
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 2025
Label revision date
January 28, 2026
Manufacturer
Bayer HealthCare LLC.
Registration number
M013
NDC root
0280-8251

If you are a healthcare professional or from the pharmaceutical industry please visit this version.

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

Drug Overview

This medication is designed to temporarily relieve minor aches and pains, such as headaches, muscle pain, backaches, toothaches, menstrual pain, and discomfort from colds or arthritis. Additionally, it helps to reduce fever, providing you with comfort when you're feeling unwell.

By addressing these common ailments, this medication can help you manage everyday discomfort and improve your overall well-being. Always consult with a healthcare professional for personalized advice and recommendations.

Uses

You can use this medication to temporarily relieve minor aches and pains caused by various conditions, including headaches, muscle pain, backaches, toothaches, menstrual pain, colds, and minor arthritis pain. Additionally, it can help reduce fever for a short period.

It's important to note that there are no reported teratogenic effects (which means it does not cause birth defects) associated with this medication.

Dosage and Administration

To take this medication, start by completely dissolving 2 tablets in 4 ounces of water. Make sure the solution stops bubbling before you drink it. It’s important not to exceed the recommended dose, so be sure to follow the guidelines provided.

For adults and children aged 12 years and older, you can take 2 tablets every 4 hours, but do not take more than 8 tablets in a 24-hour period. If you are 60 years or older, you should also take 2 tablets every 4 hours, but limit yourself to a maximum of 4 tablets in a day. If your child is under 12 years old, please consult a doctor for the appropriate dosage.

What to Avoid

You should avoid using this product if you are allergic to aspirin or any other pain reliever or fever reducer. Additionally, if you have ever experienced an allergic reaction to this product or any of its ingredients, it is important not to use it. Taking this medication under these circumstances could lead to serious health issues. Always prioritize your safety and consult with a healthcare professional if you have any concerns about allergies or reactions.

Side Effects

You should be aware of some important warnings and potential side effects when using this product. It is not recommended for children and teenagers recovering from chickenpox or flu-like symptoms due to the risk of Reye’s syndrome, a serious condition. If you notice changes in behavior along with nausea and vomiting, consult a doctor immediately. Additionally, aspirin can cause severe allergic reactions, which may include hives, facial swelling, asthma (wheezing), or shock.

This product contains a nonsteroidal anti-inflammatory drug (NSAID), which can lead to serious stomach bleeding, especially if you are over 60, have a history of stomach ulcers, or are taking certain medications like blood thinners or other NSAIDs. You should stop using the product and seek medical attention if you experience symptoms such as faintness, vomiting blood, or bloody stools. Always consult a doctor before use if you have a history of stomach issues, high blood pressure, heart disease, or are taking other medications for conditions like diabetes or arthritis.

Warnings and Precautions

You should be aware of some important warnings and precautions when using this product. If you are a child or teenager recovering from chickenpox or flu-like symptoms, do not use this product, as it may lead to Reye’s syndrome, a rare but serious illness. Additionally, be cautious of severe allergic reactions, which can include hives, facial swelling, asthma (wheezing), or shock. This product contains a nonsteroidal anti-inflammatory drug (NSAID), which can cause severe stomach bleeding, especially if you are over 60, have a history of stomach ulcers, or are taking blood thinners or other NSAIDs. Always ensure the tablet is completely dissolved before taking it, and avoid using it if you feel overly full.

If you experience any signs of an allergic reaction or symptoms of stomach bleeding—such as feeling faint, vomiting blood, or having bloody or black stools—stop using the product and seek medical help immediately. You should also consult your doctor if you have stomach pain that worsens or lasts more than 10 days, or if you develop new symptoms. In case of an overdose, get emergency medical help or contact a Poison Control Center right away.

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’s crucial to seek immediate medical help.

In case of an emergency, call your local emergency services 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 crucial to consult with a healthcare professional before using any medication. This is particularly important for aspirin; using it after 20 weeks of pregnancy can lead to serious issues for your unborn child or complications during delivery. Always seek guidance from your doctor to ensure the safety of both you and your baby.

Lactation Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using any medication. This is particularly crucial if you are considering taking aspirin after 20 weeks of pregnancy, as it can potentially lead to issues for your unborn child or complications during delivery. Always prioritize your health and the health of your baby by seeking guidance from your doctor.

Pediatric Use

It's important to be cautious when giving this product to children and teenagers, especially if they have or are recovering from chickenpox or flu-like symptoms. Using this product in these cases can increase the risk of Reye’s syndrome, a rare but serious illness. If you notice any changes in behavior along with nausea and vomiting while using this product, you should consult a doctor immediately, as these could be early signs of Reye’s syndrome.

For dosing, adults and children aged 12 years and older can take 2 tablets every 4 hours, but they should not exceed 8 tablets in a 24-hour period. If your child is under 12 years old, it's essential to consult a doctor before giving them this product.

Geriatric Use

If you are 60 years or older, it's important to be aware that the risk of severe stomach bleeding increases with age. This means you should take extra care when using certain medications. For adults in this age group, the recommended dosage is 2 tablets every 4 hours, but you should not take more than 4 tablets in a 24-hour period unless directed by your doctor. Always consult with your healthcare provider to ensure that your medication plan is safe and appropriate for your needs.

Renal Impairment

If you have kidney problems, it's important to know that there are no specific guidelines or dosage adjustments mentioned for your condition in the available information. This means that the usual recommendations for monitoring or safety considerations related to renal impairment (kidney issues) are not provided.

Always consult your healthcare provider for personalized advice and to ensure that any medications you take are safe and appropriate for your kidney health. They can help you understand how your condition may affect your treatment plan.

Hepatic Impairment

If you have liver problems, it's important to know that the drug insert does not provide specific information about dosage adjustments, special monitoring, or precautions for your condition. This means that there are no tailored guidelines for how this medication should be used if you have hepatic impairment (liver issues).

Always consult your healthcare provider for personalized advice and to ensure that any medication you take is safe and appropriate for your liver health. They can help determine the best course of action based on your individual situation.

Drug Interactions

It's important to have open conversations with your healthcare provider about any medications or tests you may be taking. Currently, there are no known interactions between this medication and other drugs or laboratory tests. However, your healthcare provider can help ensure that your treatment plan is safe and effective, taking into account your unique health situation. Always feel free to ask questions or express any concerns you may have regarding your medications or tests.

Storage and Handling

To ensure the best performance of your product, store it at room temperature and keep it away from excessive heat. This helps maintain its effectiveness and safety.

When handling the product, be sure to follow any specific instructions provided to avoid any potential issues. Proper storage and careful handling are key to ensuring that the product remains safe and effective for your use.

Additional Information

No further information is available.

FAQ

What is this drug used for?

This drug temporarily relieves minor aches and pains from headaches, muscle pain, backaches, toothaches, menstrual pain, colds, and minor arthritis pain. It also temporarily reduces fever.

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

Adults and children 12 years and over should take 2 tablets every 4 hours, not exceeding 8 tablets in 24 hours.

What should I do if I am over 60 years old?

If you are 60 years or older, take 2 tablets every 4 hours, but do not exceed 4 tablets in 24 hours.

Can children under 12 use this drug?

Children under 12 should consult a doctor before use.

What are the warnings associated with this drug?

Warnings include the risk of Reye’s syndrome in children recovering from chicken pox or flu-like symptoms, severe allergic reactions, and the potential for stomach bleeding.

What should I do if I experience signs of stomach bleeding?

If you feel faint, vomit blood, have bloody or black stools, or experience severe stomach pain, stop using the drug and seek medical help immediately.

Is this drug safe to use during pregnancy?

If you are pregnant or breastfeeding, consult a health professional before use, especially after 20 weeks of pregnancy, as it may cause complications.

How should I take this drug?

Completely dissolve 2 tablets in 4 ounces of water and ensure bubbling has stopped before drinking. Do not take until the tablet is completely dissolved.

What should I do in case of overdose?

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

What should I avoid while using this drug?

Avoid using this drug if you are allergic to aspirin or other pain relievers, and do not take it if you have had an allergic reaction to it or its ingredients.

Packaging Info

Below are the non-prescription pack sizes of Alka-Seltzer Pain Relief. Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Alka-Seltzer Pain Relief.
Details

Drug Information (PDF)

This file contains official product information for Alka-Seltzer Pain Relief, 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 minor aches and pains associated with various conditions, including headache, muscle pain, backache, toothache, menstrual pain, colds, and minor pain of arthritis. Additionally, it is indicated for the temporary reduction of fever.

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

Dosage and Administration

The recommended dosage for adults and children aged 12 years and older is 2 tablets every 4 hours, or as directed by a healthcare professional. It is imperative not to exceed 8 tablets within a 24-hour period. For adults aged 60 years and older, the dosage remains at 2 tablets every 4 hours, with a maximum limit of 4 tablets in a 24-hour period.

For children under 12 years of age, it is essential to consult a healthcare professional for appropriate dosing guidance.

Prior to administration, the tablets must be completely dissolved in 4 ounces of water. It is crucial to ensure that bubbling has ceased before consumption. Healthcare professionals should advise patients to adhere strictly to the recommended dosage and to be aware of the associated warnings regarding exceeding the recommended dose.

Contraindications

Use is contraindicated in individuals with a known allergy to aspirin or any other pain reliever or fever reducer. Additionally, the product should not be administered to patients who have a history of allergic reactions to this product or any of its components.

Warnings and Precautions

Patients should be informed of the following warnings and precautions associated with the use of this product.

Reye’s Syndrome Children and teenagers who are experiencing or recovering from chickenpox or flu-like symptoms should not use this product. If any changes in behavior accompanied by nausea and vomiting occur during use, it is imperative to consult a healthcare professional, as these symptoms may indicate the onset of Reye’s syndrome, a rare but serious condition.

Allergy Alert Aspirin may induce severe allergic reactions, which can manifest as hives, facial swelling, asthma (wheezing), or shock. Immediate medical attention should be sought if any signs of an allergic reaction occur.

Stomach Bleeding Warning This product contains a nonsteroidal anti-inflammatory drug (NSAID), which carries a risk of severe stomach bleeding. The likelihood of this adverse effect is increased in individuals who:

  • Are aged 60 years or older

  • Have a history of stomach ulcers or bleeding disorders

  • Are concurrently using blood-thinning medications (anticoagulants) or steroid drugs

  • Are taking other medications that contain NSAIDs, whether prescription or over-the-counter (e.g., aspirin, ibuprofen, naproxen)

  • Consume three or more alcoholic beverages daily while using this product

  • Exceed the recommended dosage or duration of use

To minimize the risk of serious injury, it is crucial that the tablet is allowed to dissolve completely before ingestion. Patients should avoid taking this product when feeling overly full from food or drink. If severe stomach pain occurs after taking this product, a healthcare provider should be consulted immediately.

Stop Use and Consult a Doctor If

  • An allergic reaction occurs; seek medical assistance without delay.

  • Signs of stomach bleeding are observed, including feeling faint, vomiting blood, having bloody or black stools, or experiencing stomach pain that does not improve.

  • Pain persists or worsens beyond 10 days, fever intensifies or lasts more than 3 days, redness or swelling develops, new symptoms arise, or there is ringing in the ears or loss of hearing.

Emergency Medical Help In the event of an overdose, it is critical to seek immediate medical assistance or contact a Poison Control Center.

Side Effects

Patients using this product should be aware of several serious and common adverse reactions associated with its use.

Reye’s syndrome is a rare but serious illness that may occur in children and teenagers who have or are recovering from chicken pox or flu-like symptoms. It is crucial that these individuals do not use this product. If patients experience changes in behavior accompanied by nausea and vomiting while using this product, they should consult a doctor immediately, as these symptoms could indicate the onset of Reye’s syndrome.

Aspirin, the active ingredient in this product, may cause severe allergic reactions. Symptoms of such reactions can include hives, facial swelling, asthma (wheezing), and shock. Patients should seek immediate medical attention if they experience any signs of an allergic reaction.

This product contains a nonsteroidal anti-inflammatory drug (NSAID), which may increase the risk of severe stomach bleeding. The risk is heightened in patients who are 60 years of age or older, have a history of stomach ulcers or bleeding problems, are taking anticoagulants or steroid medications, consume three or more alcoholic drinks daily, or use other NSAIDs concurrently. Patients should be advised to avoid taking this product if they are overly full from food or drink, and to ensure the tablet is completely dissolved before ingestion. Severe stomach pain following use should prompt immediate consultation with a healthcare provider.

Patients are advised to stop using the product and seek medical attention if they experience any signs of stomach bleeding, which may include feeling faint, vomiting blood, having bloody or black stools, or experiencing persistent stomach pain. Additional symptoms warranting medical consultation include worsening fever lasting more than three days, redness or swelling, new symptoms, or ringing in the ears or loss of hearing.

Before using this product, patients should consult a doctor if they have a history of stomach problems, high blood pressure, heart disease, liver cirrhosis, or kidney disease, or if they are taking diuretics. Patients with asthma or those on a sodium-restricted diet should also seek medical advice prior to use. Furthermore, individuals taking prescription medications for diabetes, gout, or arthritis should consult a healthcare professional before using this product.

Drug Interactions

There are currently no documented drug interactions associated with this medication. Additionally, there is no information available regarding interactions with laboratory tests. As such, no specific recommendations for dosage adjustments or monitoring are warranted at this time.

Packaging & NDC

Below are the non-prescription pack sizes of Alka-Seltzer Pain Relief. Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Alka-Seltzer Pain Relief.
Details

Pediatric Use

Children and teenagers who have or are recovering from chicken pox or flu-like symptoms should not use this product due to the risk of Reye’s syndrome, a rare but serious illness. If changes in behavior accompanied by nausea and vomiting occur while using this product, it is important to consult a doctor, as these may be early signs of Reye’s syndrome.

For dosing, adults and children aged 12 years and over are directed to take 2 tablets every 4 hours, not to exceed 8 tablets in a 24-hour period. For children under 12 years of age, consultation with a doctor is recommended prior to use.

Geriatric Use

Elderly patients, particularly those aged 60 years and older, are at an increased risk for severe stomach bleeding. This heightened risk necessitates careful consideration when prescribing and monitoring treatment in this population.

For geriatric patients, the recommended dosage is 2 tablets every 4 hours, or as directed by a healthcare provider, with a maximum limit of 4 tablets within a 24-hour period. It is essential for healthcare providers to assess the individual needs and health status of elderly patients to ensure safe and effective use of the medication, taking into account the potential for increased adverse effects. Regular monitoring for signs of gastrointestinal bleeding is advised in this age group.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional before using this medication. It is particularly important to avoid the use of aspirin after 20 weeks of pregnancy unless specifically directed by a physician, as it may pose risks to the developing fetus and lead to complications during delivery. Healthcare providers should carefully evaluate the potential benefits and risks when considering the use of this medication in pregnant patients.

Lactation

Lactating mothers are advised to consult a health professional before using this medication. It is particularly important to avoid the use of aspirin at 20 weeks of pregnancy or later unless specifically directed by a physician, as it may pose risks to the unborn child or lead to complications during delivery. There is no specific data available regarding the excretion of this medication in breast milk or its effects on breastfed infants. Therefore, caution is recommended when considering the use of this medication during lactation.

Renal Impairment

Patients with renal impairment have not been specifically addressed in the available prescribing information. There are no dosage adjustments, special monitoring requirements, or safety considerations outlined for individuals with reduced kidney function. Healthcare professionals should exercise caution and consider the lack of data when prescribing to this patient population.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in relation to the use of this medication. Consequently, there are no established dosage adjustments, special monitoring requirements, or precautions outlined for individuals with compromised liver function. It is recommended that healthcare providers exercise caution when prescribing this medication to patients with hepatic impairment, given the lack of data on its safety and efficacy in this population. Regular monitoring of liver function may be prudent in these cases, although specific parameters are not defined in the available information.

Overdosage

In the absence of specific overdosage information, it is essential for healthcare professionals to remain vigilant 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 arise from an overdose. These may include, but are not limited to, increased severity of known side effects, altered mental status, or any unusual physiological responses.

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, monitor for symptoms, and provide appropriate supportive care in the event of an overdose.

Nonclinical Toxicology

It is especially important not to use aspirin at 20 weeks or later in pregnancy unless definitely directed to do so by a doctor, as it may cause problems in the unborn child or complications during delivery. No specific non-teratogenic effects or additional nonclinical toxicology details are available in the provided data. Furthermore, there are no specific findings related to animal pharmacology and toxicology.

Postmarketing Experience

Postmarketing experience has identified several adverse reactions reported voluntarily or through surveillance programs. These include allergic reactions such as hives, facial swelling, asthma (wheezing), and shock. Additionally, cases of stomach bleeding have been noted, particularly in patients aged 60 or older, those with a history of stomach ulcers or bleeding problems, individuals taking anticoagulant or steroid medications, users of other drugs containing prescription or nonprescription NSAIDs, and those consuming three or more alcoholic drinks daily while using this product. It is advised that patients consult a doctor if severe stomach pain occurs after taking this product.

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 should be instructed to seek medical help or contact a Poison Control Center immediately.

Patients must be informed not to use this product if they are allergic to aspirin or any other pain reliever or fever reducer. Additionally, they should not use it if they have previously experienced an allergic reaction to this product or any of its ingredients. If an allergic reaction occurs, patients should stop using the medication and seek medical assistance right away.

Healthcare providers should counsel patients to discontinue use and consult a doctor if they experience any signs of stomach bleeding, which may include feeling faint, vomiting blood, having bloody or black stools, or experiencing stomach pain that does not improve. Patients should also be advised to seek medical attention if pain worsens or lasts more than 10 days, if fever worsens or lasts more than 3 days, if redness or swelling occurs, if new symptoms develop, or if they experience ringing in the ears or a loss of hearing.

Patients should be encouraged to ask a doctor before use if the stomach bleeding warning applies to them, particularly if they have a history of stomach problems such as heartburn. It is also important for patients to consult a doctor before use if they have high blood pressure, heart disease, liver cirrhosis, or kidney disease. Those taking a diuretic, have asthma, or are on a sodium-restricted diet should also seek medical advice prior to using this medication. Furthermore, patients should be advised to consult a doctor or pharmacist if they are taking a prescription drug for diabetes, gout, or arthritis.

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 protected from excessive heat to maintain its integrity and efficacy. Proper handling should be observed to prevent any potential degradation of the product.

Additional Clinical Information

No further data are available.

Drug Information (PDF)

This file contains official product information for Alka-Seltzer Pain Relief, 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 Pain Relief, 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.

Learn more in our Editorial Policy

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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.