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Aspirin

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Active ingredient
Aspirin 81 mg
Other brand names
Drug classes
Nonsteroidal Anti-inflammatory Drug, Platelet Aggregation Inhibitor
Dosage form
Tablet, Delayed Release
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2011
Label revision date
July 8, 2025
Active ingredient
Aspirin 81 mg
Other brand names
Drug classes
Nonsteroidal Anti-inflammatory Drug, Platelet Aggregation Inhibitor
Dosage form
Tablet, Delayed Release
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 2011
Label revision date
July 8, 2025
Manufacturer
Major Pharmaceuticals
Registration number
M013
NDC root
0904-6751

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Drug Overview

Aspirin is a low-dose medication (81 mg) that belongs to a class of drugs known as nonsteroidal anti-inflammatory drugs (NSAIDs). It is primarily used for the temporary relief of minor aches and pains, making it a common choice for managing discomfort. However, it's important to note that aspirin is designed for delayed action, meaning it may not provide quick relief for headaches or other symptoms that require immediate attention.

This particular formulation of aspirin is enteric coated, which helps protect your stomach and may reduce the risk of irritation. It is similar to the active ingredient found in Bayer® Low Dose Aspirin, but it is distributed by Major® Pharmaceuticals. Each package contains 1000 tablets, ensuring you have a sufficient supply for your needs.

Uses

You can use this product for the temporary relief of minor aches and pains, as long as your doctor recommends it. However, keep in mind that it works slowly, so it won't help with headaches or other symptoms that require quick relief.

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

Dosage and Administration

When taking this medication, it’s important to follow the directions carefully. You should not take more than the recommended amount. For adults and children aged 12 years and older, the typical dosage is to take 4 to 8 tablets every 4 hours. However, you should not exceed 48 tablets in a 24-hour period unless your doctor has specifically instructed you to do so.

Make sure to drink a full glass of water with each dose to help the medication work effectively. If you are considering giving this medication to a child under 12 years old, please consult a doctor first, as it should not be used in that age group without medical advice.

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 these precautions helps ensure your safety and well-being.

Side Effects

You should be aware of some important side effects and warnings associated with this product. If you are a child or teenager recovering from chickenpox or flu-like symptoms, you should not use this product due to the risk of Reye's syndrome, a rare but serious illness. Additionally, aspirin can cause severe allergic reactions, which may include hives, facial swelling, shock, or asthma symptoms like wheezing.

This product contains a nonsteroidal anti-inflammatory drug (NSAID), which can lead to severe stomach bleeding, especially if you take it for longer than directed, use other NSAIDs, have a history of stomach ulcers, consume alcohol regularly, or are over 60 years old. If you experience symptoms such as vomiting blood, black or bloody stools, faintness, or persistent stomach pain, you should stop using the product and consult a doctor immediately. Other concerning signs include ringing in the ears, new symptoms, worsening pain, or fever lasting more than three days.

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, shock, or asthma symptoms like wheezing. This product contains a nonsteroidal anti-inflammatory drug (NSAID), which can cause severe stomach bleeding, especially if you take it longer than directed, consume alcohol regularly, or have a history of stomach ulcers or bleeding problems.

Before using this product, consult your doctor if you have asthma, a history of stomach issues, or are taking medications for conditions like gout, diabetes, or arthritis. If you experience any signs of an allergic reaction, stomach bleeding (such as vomiting blood or having black stools), or if new symptoms arise, stop using the product and call your doctor immediately. In case of an overdose, seek emergency medical help or contact a Poison Control Center right away.

Overdose

If you suspect an overdose, it’s crucial to seek medical help immediately or contact a Poison Control Center. Signs of an overdose can vary, but they may include unusual symptoms that are more severe than typical side effects.

Always err on the side of caution—if you notice anything concerning, don’t hesitate to reach out for professional assistance. Your health and safety are the top priority.

Pregnancy Use

If you are pregnant or breastfeeding, it’s essential 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. If your child has or is recovering from chickenpox or flu-like symptoms, they should not use this product. Additionally, if you notice any changes in their behavior along with nausea and vomiting while using it, consult a doctor immediately, as these could be early signs of Reye's syndrome, a rare but serious condition.

For children under 12 years old, you should only use this product if directed by a doctor. For those aged 12 and older, the recommended dosage is 4 to 8 tablets every 4 hours, but do not exceed 48 tablets in a 24-hour period unless advised by a healthcare professional. Always prioritize your child's safety and consult with a doctor if you have any concerns.

Geriatric Use

As you age, it's important to be aware of certain health risks associated with medications. If you are 60 years or older, there is a higher chance of experiencing severe stomach bleeding. This risk means that you should discuss any medications you are taking with your healthcare provider, especially if they are known to affect stomach health.

Always inform your doctor about your age and any other health conditions you may have, as they can help determine the safest options for you. Taking precautions can help protect your health and ensure that you receive the best care possible.

Renal Impairment

If you have kidney problems, it's important to consult your doctor before using this medication. This is especially crucial if you also have high blood pressure, heart disease, or liver cirrhosis, as these conditions can affect how your body processes the medication. Your healthcare provider will help determine if it's safe for you and may suggest adjustments to your dosage or additional monitoring to ensure your safety. Always prioritize open communication with your doctor regarding your health conditions.

Hepatic Impairment

If you have liver problems, such as liver cirrhosis (a severe scarring of the liver), it's important to consult your doctor before using this medication. Your healthcare provider can help determine if it's safe for you, especially if you also have other conditions like high blood pressure or heart disease.

Always prioritize your health by discussing any existing liver issues with your doctor to ensure proper care and monitoring.

Drug Interactions

It's important to be aware that aspirin can interact with various medications, which may affect your health. For instance, if you are taking other nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen or naproxen, combining them with aspirin could increase the risk of stomach bleeding. Additionally, if you are on blood thinners (medications that prevent blood clots) or steroids, the risk of stomach bleeding may also rise.

If you are taking a diuretic (a medication that helps remove excess fluid from the body) or prescription drugs for conditions like gout, diabetes, or arthritis, it's crucial to consult your healthcare provider. They can help you understand how these medications may interact with aspirin and ensure your treatment plan is safe and effective. Always discuss any medications or tests with your doctor to avoid potential complications.

Storage and Handling

To ensure the best performance and safety of your product, always check the expiration date on the package before use. Store the product at a temperature of 25°C (77°F), but it's acceptable for it to be kept within a range of 15°-30°C (59°-86°F) for short periods.

By following these storage guidelines, you can help maintain the product's effectiveness and safety. Remember to handle it with care, and if you have any questions about its use or storage, consult the provided instructions or a healthcare professional.

Additional Information

You should take this medication orally. If you are pregnant or breastfeeding, it's important to consult a healthcare professional before using it. Specifically, avoid using aspirin after 20 weeks of pregnancy unless your doctor has specifically instructed you to do so, as it can lead to issues for the unborn child or complications during delivery.

FAQ

What is aspirin used for?

Aspirin is used for the temporary relief of minor aches and pains, as recommended by your doctor.

How should I take aspirin?

Adults and children 12 years and over should take 4 to 8 tablets every 4 hours, not exceeding 48 tablets in 24 hours unless directed by a doctor. Drink a full glass of water with each dose.

Are there any warnings associated with aspirin?

Yes, aspirin may cause severe allergic reactions, stomach bleeding, and should not be used by children recovering from chicken pox or flu-like symptoms due to the risk of Reye's syndrome.

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

Stop taking aspirin and seek medical help if you vomit blood, have bloody or black stools, feel faint, or have stomach pain that does not improve.

Can I use aspirin if I am pregnant or breastfeeding?

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

What should I do if I have an allergy to aspirin?

Do not use aspirin if you are allergic to it or any other pain reliever/fever reducer.

What are the storage instructions for aspirin?

Store aspirin at 25°C (77°F), with permitted excursions between 15°-30°C (59°-86°F), and use by the expiration date on the package.

What should I do if I miss a dose of aspirin?

If you miss a dose, take it as soon as you remember, but do not take more than directed.

Packaging Info

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

Packaging configurations for Aspirin.
Details

Drug Information (PDF)

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

View product document (PDF)

Description

Aspirin is a nonsteroidal anti-inflammatory drug (NSAID) indicated for pain relief. This formulation is a low-dose version, containing 81 mg of aspirin per tablet. The tablets are enteric coated and safety coated to enhance gastrointestinal tolerability and ensure product integrity. Each bottle contains 1000 tablets. The product features a tamper-evident seal; it should not be used if the imprinted safety seal under the cap is broken or missing.

Uses and Indications

This drug is indicated for the temporary relief of minor aches and pains, as well as for use as recommended by a healthcare professional. Due to its delayed action, this product is not suitable for the immediate relief of headaches or other symptoms requiring prompt alleviation.

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

Dosage and Administration

Patients should adhere strictly to the recommended dosage. Each dose should be taken with a full glass of water to ensure proper administration.

For adults and children aged 12 years and older, the recommended dosage is 4 to 8 tablets every 4 hours. The total daily dosage must not exceed 48 tablets within a 24-hour period unless otherwise directed by a healthcare professional.

For children under 12 years of age, the use of this medication is not recommended unless specifically directed by a physician.

Contraindications

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

Warnings and Precautions

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

Aspirin may provoke severe allergic reactions in some individuals. Symptoms of such reactions can include hives, facial swelling, shock, and asthma (wheezing). Healthcare professionals should be vigilant for these signs and advise patients to seek immediate medical attention if they occur.

This product contains a nonsteroidal anti-inflammatory drug (NSAID), which carries a risk of severe stomach bleeding. The likelihood of this adverse effect increases under certain conditions, including but not limited to: exceeding the recommended dosage or duration of use, concurrent use of other NSAIDs (such as aspirin, ibuprofen, or naproxen), a history of stomach ulcers or bleeding disorders, consumption of three or more alcoholic beverages daily while using this product, concurrent use of anticoagulants or steroid medications, and in patients aged 60 years or older.

Healthcare professionals should advise patients to consult a doctor prior to use if any of the following conditions apply: a history of stomach bleeding, asthma, previous stomach issues (such as heartburn), current use of diuretics, or the presence of high blood pressure, heart disease, liver cirrhosis, or kidney disease. Additionally, patients should seek guidance from a doctor or pharmacist if they are currently taking prescription medications for gout, diabetes, or arthritis.

In the event of an overdose, immediate medical assistance should be sought, or the Poison Control Center should be contacted without delay.

Patients are advised to discontinue use and consult a healthcare professional if they experience any signs of an allergic reaction, such as hives or swelling, or if they observe any symptoms indicative of stomach bleeding, including vomiting blood, passing bloody or black stools, feeling faint, or experiencing persistent stomach pain. Other concerning symptoms that warrant immediate medical attention include ringing in the ears, loss of hearing, the emergence of new symptoms, worsening pain lasting more than 10 days, fever persisting beyond 3 days, or the presence of redness or swelling, as these may signal a serious underlying condition.

Side Effects

Patients using this product should be aware of several serious 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 chickenpox or flu-like symptoms. 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.

Additionally, there is an allergy alert associated with this product. Aspirin may cause severe allergic reactions, which can manifest as hives, facial swelling, shock, or asthma symptoms such as wheezing. Patients experiencing any signs of an allergic reaction should seek medical attention promptly.

This product contains a nonsteroidal anti-inflammatory drug (NSAID), which carries a warning for the potential risk of severe stomach bleeding. The likelihood of this adverse reaction increases under certain conditions, including prolonged use beyond the directed dosage, concurrent use of other NSAIDs (such as aspirin, ibuprofen, or naproxen), a history of stomach ulcers or bleeding problems, consumption of three or more alcoholic drinks daily while using the product, use of blood-thinning (anticoagulant) or steroid medications, and in patients aged 60 years or older.

Patients are advised to stop using the product and consult a doctor if they experience any signs of an allergic reaction or symptoms indicative of stomach bleeding, such as vomiting blood, having bloody or black stools, feeling faint, or experiencing persistent stomach pain. Other concerning symptoms that warrant medical consultation include ringing in the ears, loss of hearing, the emergence of new symptoms, worsening pain lasting more than 10 days, or a fever that worsens or persists beyond three days, as well as any redness or swelling. These symptoms could signify a serious condition requiring immediate medical evaluation.

Drug Interactions

Aspirin may interact with various medications, leading to significant clinical effects that warrant careful consideration.

Nonsteroidal Anti-Inflammatory Drugs (NSAIDs) Aspirin may interact with other drugs containing prescription or nonprescription NSAIDs, such as ibuprofen and naproxen. Co-administration of these agents can increase the risk of adverse effects, particularly gastrointestinal complications.

Anticoagulants and Steroids The concomitant use of aspirin with blood-thinning agents (anticoagulants) or steroid medications may elevate the risk of stomach bleeding. It is advisable to monitor patients closely for signs of gastrointestinal bleeding and consider dosage adjustments as necessary.

Diuretics Patients taking diuretics should consult a healthcare provider prior to initiating aspirin therapy, as there may be potential interactions that could affect the efficacy of the diuretic or increase the risk of adverse effects.

Other Prescription Medications Aspirin may also interact with prescription drugs used for conditions such as gout, diabetes, or arthritis. Healthcare professionals should evaluate the potential for interactions and adjust treatment regimens accordingly to ensure patient safety.

Packaging & NDC

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

Packaging configurations for Aspirin.
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, a healthcare professional should be consulted, as these may be early signs of Reye's syndrome.

For children under 12 years of age, the product should not be used unless directed by a doctor. In contrast, adults and children aged 12 years and older may take 4 to 8 tablets every 4 hours, with a maximum of 48 tablets in a 24-hour period, unless otherwise directed by a healthcare professional.

Geriatric Use

Elderly patients, particularly those aged 60 and older, may have an increased risk of severe stomach bleeding. It is essential for healthcare providers to exercise caution when prescribing this medication to geriatric patients.

Monitoring for signs of gastrointestinal bleeding is advised, and dosage adjustments may be necessary based on the individual patient's health status and concurrent medications. Careful assessment of the risks versus benefits should be conducted to ensure the safety of elderly patients receiving this treatment.

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 at 20 weeks of gestation or later unless specifically directed by a physician, as it may pose risks to the developing fetus and lead to complications during delivery.

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 should consult a healthcare professional prior to use, particularly if they have conditions such as high blood pressure, heart disease, liver cirrhosis, or kidney disease. It is essential to assess renal function and consider potential dosing adjustments or monitoring requirements based on the severity of renal impairment.

Hepatic Impairment

Patients with hepatic impairment should consult a healthcare professional prior to use, particularly if they have conditions such as liver cirrhosis. It is essential for these patients to receive appropriate evaluation and monitoring of their liver function to ensure safe use of the medication. Adjustments to dosage or specific monitoring parameters may be necessary based on the severity of hepatic impairment. Therefore, healthcare providers should assess the patient's overall health status, including any comorbidities such as high blood pressure or heart disease, before initiating 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 intervention is crucial to mitigate potential adverse effects associated with the overdose.

Healthcare professionals should be vigilant in monitoring for symptoms that may arise from an overdose. While specific symptoms are not detailed in the provided information, it is essential to assess the patient for any signs of toxicity or distress.

Management of an overdose should be guided by the severity of the symptoms and the clinical judgment of the healthcare provider. Supportive care and symptomatic treatment may be necessary, and the involvement of poison control experts can provide additional guidance on the appropriate management strategies.

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 have been identified in the available data. Additionally, there are no details provided regarding nonclinical toxicology or animal pharmacology and toxicology.

Postmarketing Experience

Postmarketing experience has revealed reports of serious adverse reactions, including gastrointestinal bleeding, allergic reactions, and Reye's syndrome. Cases of gastrointestinal bleeding have been documented, particularly in patients with a history of ulcers or those concurrently using other nonsteroidal anti-inflammatory drugs (NSAIDs). Allergic reactions, such as hives, facial swelling, and shock, have also been noted in postmarketing reports. Additionally, instances of Reye's syndrome have been reported in children and teenagers who used aspirin during viral infections, especially in cases of chickenpox or flu-like symptoms.

Patient Counseling

Patients should be advised to keep this medication out of reach of children to prevent accidental ingestion. In the event of an overdose, it is crucial to seek medical assistance or contact a Poison Control Center immediately.

Patients must be informed not to use this product if they have a known allergy to aspirin or any other pain reliever or fever reducer. Additionally, they should refrain from using 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 help right away.

Healthcare providers should instruct patients to discontinue use and consult a doctor if they experience any signs of stomach bleeding, which may include vomiting blood, having bloody or black stools, feeling faint, or experiencing persistent stomach pain. Patients should also be advised to stop use and seek medical attention if they notice ringing in the ears, a loss of hearing, or if new symptoms arise. Furthermore, if pain worsens or lasts more than 10 days, or if fever intensifies or persists for more than 3 days, patients should consult a healthcare professional. Redness or swelling should also prompt a discussion with a doctor, as these could indicate a serious condition.

Patients should be encouraged to ask a doctor before using this medication if they have a history of stomach bleeding, asthma, or stomach problems such as heartburn. It is also important for patients to consult a healthcare provider if they are taking a diuretic, have high blood pressure, heart disease, liver cirrhosis, or kidney disease. Additionally, patients should seek advice from a doctor or pharmacist if they are currently taking prescription medications for gout, diabetes, or arthritis.

Storage and Handling

The product is supplied with an expiration date clearly indicated on the package. It should be stored at a controlled room temperature of 25°C (77°F). Temporary excursions are permissible within the range of 15° to 30°C (59° to 86°F). Proper storage conditions are essential to maintain the integrity and efficacy of the product.

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. It is particularly crucial to avoid the use of aspirin after 20 weeks of pregnancy unless explicitly directed by a physician, as it may pose risks to the unborn child or lead to complications during delivery.

Drug Information (PDF)

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