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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, Delayed Release
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2024
Label revision date
September 12, 2025
Active ingredient
Aspirin 325 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 2024
Label revision date
September 12, 2025
Manufacturer
Meijer Distribution, Inc.
Registration number
M013
NDC root
79481-2270

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Drug Overview

Aspirin 325 mg is a nonsteroidal anti-inflammatory drug (NSAID) that serves as a pain reliever. It is commonly used to temporarily relieve minor aches and pains associated with various conditions, including arthritis, headaches, menstrual pain, colds, toothaches, and muscle pain.

By reducing inflammation and blocking pain signals in the body, aspirin helps you feel more comfortable during these common ailments. If you're looking for a way to manage minor pain, aspirin may be a suitable option for you.

Uses

You can use this medication to temporarily relieve minor aches and pains caused by various conditions. This includes discomfort from arthritis, headaches, menstrual cramps, colds, toothaches, and muscle pain. If you have any specific concerns or conditions, it's always a good idea to consult your doctor for personalized advice.

Rest assured, this medication has not been associated with teratogenic effects (which means it does not cause birth defects) or nonteratogenic effects.

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 dose is 1 to 2 tablets every 4 hours. However, you should not exceed 12 tablets in a 24-hour period unless your doctor advises otherwise.

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 without their guidance.

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 side effects and warnings associated with this product. If you are a child or teenager recovering from chickenpox or flu-like symptoms, you should avoid using it, as it may lead to Reye's syndrome, a rare but serious illness. Additionally, be cautious of potential severe allergic reactions, which can include facial swelling, hives, shock, or asthma symptoms like wheezing.

This product contains a nonsteroidal anti-inflammatory drug (NSAID), which can increase the risk of severe stomach bleeding, especially if you are over 60, have a history of stomach ulcers, or are taking other NSAIDs or blood thinners. If you experience symptoms such as feeling faint, vomiting blood, having bloody or black stools, or persistent stomach pain, you should stop using the product and consult a doctor immediately. Other concerning signs include ringing in the ears, worsening pain, or new symptoms.

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 facial swelling, hives, shock, or asthma symptoms like wheezing. This product contains a nonsteroidal anti-inflammatory drug (NSAID), which can increase the risk of severe stomach bleeding, especially if you are over 60, have a history of stomach ulcers, or are taking other NSAIDs or blood thinners.

Before using this product, consult your doctor if you have a history of stomach problems, asthma, high blood pressure, heart disease, liver cirrhosis, or kidney disease. It's also wise to check with your doctor or pharmacist if you are taking medications for diabetes, arthritis, or gout. If you experience any signs of an allergic reaction or stomach bleeding—such as feeling faint, vomiting blood, or having bloody or black stools—stop using the product and seek medical help immediately. In case of an overdose, contact a Poison Control Center or seek emergency medical assistance 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 assistance. Quick action can make a significant difference in ensuring your safety and well-being.

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; you should avoid taking it after 20 weeks of pregnancy unless your doctor specifically instructs you to do so. Using aspirin at this stage can lead to potential issues for your unborn child or complications during delivery. Always prioritize your health and the health of your baby by seeking professional advice.

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 right away, 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 1 to 2 tablets every 4 hours, but do not exceed 12 tablets in a 24-hour period unless advised by a doctor. Always prioritize your child's safety and consult a healthcare professional if you have any concerns.

Geriatric Use

As you age, it's important to be aware that the risk of severe stomach bleeding increases if you are 60 years or older. This means that if you or a loved one falls into this age group, extra caution should be taken when using certain medications, especially those that can irritate the stomach.

Always consult with your healthcare provider about the safest options for you, and make sure to discuss any medications you are taking. They can help you understand the risks and adjust dosages if necessary to ensure your safety and well-being.

Renal Impairment

If you have kidney problems, it's important to consult your doctor before using this medication, especially if you also have high blood pressure, heart disease, or liver cirrhosis. Additionally, let your healthcare provider know if you are taking a diuretic (a medication that helps your body get rid of excess fluid). This information will help ensure that your treatment is safe and effective for your specific health needs.

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 have open conversations with your healthcare provider about any medications or tests you may be taking. While there are no specific drug interactions or laboratory test interactions noted for this medication, your healthcare provider can help ensure that everything you are taking works well together and is safe for you.

Always discuss your full list of medications, including over-the-counter drugs and supplements, as well as any lab tests you may need. This way, you can avoid any potential issues and receive the best care possible.

Storage and Handling

To ensure the best performance of your product, store it at room temperature, specifically at 25°C (77°F). It’s acceptable for the temperature to vary between 15°C and 30°C (59°F to 86°F) occasionally. Always check the end flap of the packaging for the expiration date and lot number, as this information is important for safety and effectiveness.

When handling the product, make sure to do so in a clean environment to maintain its integrity. Proper storage and careful handling will help you use the product safely and effectively.

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 325 mg used for?

Aspirin 325 mg is a pain reliever (NSAID) that temporarily relieves minor aches and pains due to conditions like arthritis, headaches, menstrual pain, colds, toothaches, and muscle pain.

How should I take Aspirin 325 mg?

Adults and children 12 years and over should take 1 to 2 tablets every 4 hours, not exceeding 12 tablets in 24 hours unless directed by a doctor. Children under 12 years should not use it unless directed by a doctor.

Are there any warnings associated with Aspirin 325 mg?

Yes, you should not use Aspirin if you are allergic to it or any other pain reliever. Additionally, it may cause severe stomach bleeding, especially if you are over 60, have a history of stomach problems, or consume alcohol regularly.

What should I do if I experience an allergic reaction?

If you experience an allergic reaction, seek medical help right away. Symptoms may include facial swelling, hives, or difficulty breathing.

Can I use Aspirin 325 mg if I am pregnant or breastfeeding?

If you are pregnant or breastfeeding, consult a health professional before use. It is especially important not to use aspirin at 20 weeks or later in pregnancy unless directed by a doctor.

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

Stop using Aspirin and call your doctor if you feel faint, vomit blood, have bloody or black stools, or have stomach pain that does not improve.

What is Reye's syndrome and how does it relate to Aspirin?

Reye's syndrome is a rare but serious illness that can occur in children and teenagers recovering from chickenpox or flu-like symptoms. They should not use Aspirin, and if behavioral changes with nausea and vomiting occur, consult a doctor.

How should I store Aspirin 325 mg?

Store Aspirin at 25°C (77°F), with excursions permitted between 15°-30°C (59°-86°F).

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

No description information is available for the drug.

Uses and Indications

This drug is indicated for the temporary relief of minor aches and pains associated with various conditions, including minor pain of arthritis, headache, menstrual pain, cold symptoms, toothache, and muscle pain. It may also be used as recommended by a healthcare professional.

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

Dosage and Administration

Patients should adhere strictly to the recommended dosage. For adults and children aged 12 years and older, the dosage is 1 to 2 tablets every 4 hours, with a maximum limit of 12 tablets within a 24-hour period unless otherwise directed by a healthcare professional. Each dose should be taken with a full glass of water to ensure proper administration.

For children under 12 years of age, the use of this medication is not recommended unless specifically directed by a physician. It is essential to follow the guidance of a healthcare provider in such cases to ensure safety and efficacy.

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, a rare but serious illness. If any changes in behavior accompanied by nausea and vomiting occur while using this product, it is imperative to consult a healthcare professional immediately, as these may be early indicators of Reye's syndrome.

Aspirin may provoke severe allergic reactions in some individuals. Symptoms of such reactions can include facial swelling, hives, 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 is increased in patients who meet any of the following criteria: those taking other medications that contain NSAIDs (including aspirin, ibuprofen, or naproxen), individuals aged 60 years or older, those with a history of stomach ulcers or bleeding disorders, patients on anticoagulant or steroid medications, individuals who exceed the recommended dosage or duration of use, and those consuming three or more alcoholic beverages daily while using this product.

Healthcare professionals should advise patients to consult a doctor prior to use if they have a history of stomach problems, such as heartburn, or if they have conditions such as asthma, high blood pressure, heart disease, liver cirrhosis, or kidney disease. Additionally, patients taking diuretics or prescription medications for diabetes, arthritis, or gout should seek guidance from a healthcare provider or pharmacist before using this product.

In the event of an overdose, it is crucial to obtain emergency medical assistance or contact a Poison Control Center immediately.

Patients should be instructed to discontinue use and contact their doctor if they experience any signs of an allergic reaction, such as difficulty breathing or swelling. They should also seek medical attention if they notice any symptoms indicative of stomach bleeding, including feeling faint, vomiting blood, passing bloody or black stools, or experiencing persistent stomach pain. Other concerning symptoms that warrant immediate medical consultation include ringing in the ears or hearing loss, worsening pain lasting more than 10 days, fever that worsens or persists beyond three days, visible redness or swelling, or the emergence of new symptoms, 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 a significant risk of severe allergic reactions to aspirin, which may manifest as facial swelling, hives, shock, or asthma (wheezing). Patients experiencing any signs of an allergic reaction should seek medical attention promptly.

This product contains a nonsteroidal anti-inflammatory drug (NSAID), which may lead to severe stomach bleeding. The risk of this adverse reaction is heightened in patients who are taking other NSAIDs, are aged 60 or older, have a history of stomach ulcers or bleeding problems, are on anticoagulant or steroid medications, exceed the recommended dosage or duration of use, or consume three or more alcoholic drinks daily while using this product.

Patients are advised 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 persistent stomach pain. Other concerning symptoms that warrant medical attention include ringing in the ears or loss of hearing, worsening pain lasting more than 10 days, fever that worsens or lasts more than three days, redness or swelling, or the emergence of new symptoms. These could indicate a serious underlying condition.

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 Aspirin. Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Aspirin.
Details

Pediatric Use

Pediatric patients, particularly those under 12 years of age, should not use this product unless directed by a healthcare professional. For children and teenagers who are experiencing or recovering from chicken pox or flu-like symptoms, the use of this product is contraindicated due to the risk of Reye’s syndrome, a rare but serious illness.

In the event that changes in behavior accompanied by nausea and vomiting occur while using this product, it is essential to consult a doctor, as these symptoms may indicate the onset of Reye's syndrome.

For patients aged 12 years and older, the recommended dosage is 1 to 2 tablets every 4 hours, with a maximum of 12 tablets in a 24-hour period, unless otherwise directed by a healthcare provider.

Geriatric Use

Elderly patients, particularly those aged 60 years and older, may have an increased risk of severe stomach bleeding. Healthcare providers should exercise caution when prescribing this medication to geriatric patients, considering the potential for heightened adverse effects.

It is advisable to closely monitor elderly patients for any signs of gastrointestinal bleeding and to evaluate the necessity of dosage adjustments based on individual patient factors. Careful assessment of the risk-benefit ratio is essential when treating this population to ensure optimal safety and efficacy.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional prior to use. The use of aspirin is particularly cautioned against after 20 weeks of gestation unless explicitly 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 should consult a healthcare professional prior to use, particularly if they have comorbid conditions such as high blood pressure, heart disease, liver cirrhosis, or kidney disease. Additionally, caution is advised for those who are taking a diuretic, as this may further impact renal function and necessitate closer monitoring.

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 and effective use of the medication. Adjustments to dosage may be necessary based on the severity of hepatic impairment, and ongoing assessment of liver function is recommended throughout the treatment period.

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 for symptoms that may arise from an overdose, although specific symptoms are not detailed in the provided information. The management of an overdose typically involves supportive care and symptomatic treatment, tailored to the individual patient's needs.

It is essential for healthcare providers to remain alert and prepared to implement appropriate management strategies in response to an overdose situation.

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

No postmarketing experience details are available in the insert text.

Patient Counseling

Healthcare providers should advise patients to seek immediate medical assistance or contact a Poison Control Center in the event of an overdose. It is crucial to inform patients that they should not use this product if they have a known allergy to aspirin or any other pain reliever or fever reducer. Additionally, patients must be cautioned against using the product if they have previously experienced an allergic reaction to it or any of its ingredients.

Patients should be instructed to discontinue use and consult a doctor if they experience any signs of an allergic reaction, and to seek medical help immediately in such cases. They should also be made aware of the signs of potential stomach bleeding, which include feeling faint, vomiting blood, having bloody or black stools, or experiencing stomach pain that does not improve. If any of these symptoms occur, patients should stop using the product and contact their healthcare provider.

Furthermore, patients should be advised to stop use and consult a doctor if they experience ringing in the ears, a loss of hearing, worsening pain that lasts more than 10 days, or a fever that worsens or lasts more than 3 days. Any presence of redness or swelling, as well as the emergence of new symptoms, should prompt a discussion with a healthcare provider, as these may indicate a serious condition.

Patients should be encouraged to consult their doctor before using the product if they have a history of stomach problems, such as heartburn, or if the stomach bleeding warning applies to them. It is also important to advise patients to seek medical advice if they have asthma, high blood pressure, heart disease, liver cirrhosis, or kidney disease. Additionally, patients taking diuretics or prescription medications for diabetes, arthritis, or gout should be directed to consult their doctor or pharmacist prior to use.

Storage and Handling

The product is supplied in various package configurations, with specific NDC numbers available upon request. It should be stored at a controlled room temperature of 25°C (77°F), with permissible excursions between 15°C and 30°C (59°F to 86°F).

Healthcare professionals are advised to check the end flap of the packaging for the expiration date and lot number to ensure proper inventory management and product safety.

Additional Clinical Information

The medication is administered orally. Clinicians should advise patients who are pregnant or breastfeeding to consult a health professional prior to use. It is particularly crucial to avoid the use of aspirin at 20 weeks of gestation or later 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.

Learn more in our Editorial Policy

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Primary FDA sources:

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.