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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, Film Coated
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 1996
Label revision date
March 5, 2026
Active ingredient
Aspirin 325 mg
Other brand names
Drug classes
Nonsteroidal Anti-inflammatory Drug, Platelet Aggregation Inhibitor
Dosage form
Tablet, Film Coated
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 1996
Label revision date
March 5, 2026
Manufacturer
ARMY AND AIR FORCE EXCHANGE SERVICE
Registration number
M013
NDC root
55301-157

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Drug Overview

Aspirin is a type of medication known as a nonsteroidal anti-inflammatory drug (NSAID) that is commonly used to relieve pain and reduce fever. It can temporarily alleviate minor pain associated with conditions such as arthritis, headaches, muscle aches, menstrual cramps, toothaches, and the discomfort and fever that often accompany colds.

By blocking certain chemicals in the body that cause inflammation and pain, aspirin helps you feel more comfortable during these common ailments. If you're considering using aspirin, especially for heart-related purposes, it's a good idea to consult with your doctor or healthcare provider first.

Uses

You can use this medication to temporarily relieve various types of minor pain. It is effective for easing discomfort associated with arthritis, headaches, muscle pain, menstrual cramps, toothaches, and even pain and fever caused by colds.

This medication is designed to help you feel more comfortable during these common ailments, allowing you to go about your daily activities with less discomfort. If you have any questions about how this medication works or its suitability for your specific situation, be sure to consult with your healthcare provider.

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 either 1 or 2 tablets every 4 hours, or 3 tablets every 6 hours. However, you must not exceed 12 tablets in a 24-hour period unless your doctor has 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. Always prioritize safety and follow your healthcare provider's recommendations.

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.

Side Effects

You should be aware of some important warnings and potential side effects when using 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, be cautious of severe allergic reactions, which may include facial swelling, shock, hives, 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, taking blood thinners or steroids, using other NSAIDs, or have a history of stomach ulcers. 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 fever, redness or swelling, or any 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 could lead to Reye’s syndrome, a rare but serious illness. Additionally, be cautious of severe allergic reactions, which may include facial swelling, shock, hives, 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, taking blood thinners or steroids, using other NSAIDs, have a history of stomach issues, or consume three or more alcoholic drinks daily.

Before using this product, consult your doctor if you are on a diuretic, have a history of stomach problems, or have conditions like high blood pressure, heart disease, liver cirrhosis, kidney disease, or asthma. If you experience any signs of an allergic reaction or stomach bleeding—such as feeling faint, vomiting blood, having bloody or black stools, or persistent stomach pain—stop using the product and seek medical help immediately. In case of an overdose, contact a medical professional or 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 what you would typically experience with the medication.

Don’t wait for symptoms to worsen; acting quickly can make a significant difference in your safety. Always keep emergency contact information handy and be aware of the signs that indicate you need urgent assistance. Your health is important, so don’t hesitate to reach out for help if you think you’ve taken too much of a medication.

Pregnancy Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using any medication. This is especially crucial if you are considering taking aspirin after 20 weeks of pregnancy. Using aspirin during this time can lead to potential issues for your unborn child or complications during delivery, so it should only be taken if specifically directed by your doctor. 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, as it could lead to a serious condition called Reye's syndrome. If you notice any changes in your child's behavior along with nausea and vomiting while using this product, contact a doctor immediately, as these could be early signs of this illness.

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 or 2 tablets every 4 hours, or 3 tablets every 6 hours, but do not exceed 12 tablets in a 24-hour period unless advised by a doctor. Always consult with a healthcare professional if you have any questions or concerns about using this product for your child.

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 be particularly cautious and discuss any medications you are taking with your healthcare provider to ensure they are safe for you.

Always inform your doctor about your age and any other health conditions you may have, as they can help tailor your treatment plan to minimize risks and keep you safe.

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 can help determine if this treatment is safe for you and whether any adjustments are needed based on your kidney function. 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 open communication with your doctor about your health status to ensure the best care.

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 specific drug interactions or laboratory test interactions noted for this medication. However, every individual’s health situation is unique, and your provider can help ensure that your treatment is safe and effective. Always feel free to ask questions and share all the medications and supplements you are using to avoid any potential issues.

Storage and Handling

To ensure the best results, always use the product before the expiration date indicated on the package. For proper storage, keep it at a temperature of 25°C (77°F). It’s acceptable for the temperature to fluctuate between 15°C and 30°C (59°F to 86°F), but try to avoid prolonged exposure to temperatures outside this range.

When handling the product, make sure to maintain a clean environment to ensure safety and effectiveness. Following these guidelines will help you use the product safely and effectively.

Additional Information

You should take this medication orally. Before using it for your heart, it's important to talk to your doctor or another healthcare provider to ensure it's appropriate for you. They can provide guidance tailored to your specific health needs.

FAQ

What is aspirin used for?

Aspirin is a pain reliever and fever reducer that temporarily relieves minor pain from arthritis, headaches, muscle pain, menstrual pain, toothaches, and pain and fever from colds.

What should I do if I am allergic to aspirin?

Do not use aspirin if you are allergic to it or any other pain reliever/fever reducer, and consult your doctor.

What are the dosage instructions for adults and children over 12?

Adults and children 12 years and over should take 1 or 2 tablets every 4 hours or 3 tablets every 6 hours, not exceeding 12 tablets in 24 hours unless directed by a doctor.

Can children under 12 use aspirin?

Children under 12 years should not use aspirin unless directed by a doctor.

What precautions should I take if I have certain health conditions?

Ask a doctor before use if you have high blood pressure, heart disease, liver cirrhosis, or kidney disease.

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.

Is aspirin 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.

What should I do if I experience an allergic reaction?

Seek medical help right away if you experience symptoms of a severe allergic reaction, such as facial swelling, shock, or hives.

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.

How should I store 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.

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 pain associated with various conditions, including arthritis, headache, muscle pain, menstrual pain, toothache, and pain and fever associated with colds.

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 as follows: 1 or 2 tablets may be taken every 4 hours, or alternatively, 3 tablets may be taken every 6 hours. The total daily dosage must not exceed 12 tablets within a 24-hour period unless specifically directed by a healthcare professional.

For children under 12 years of age, the use of this medication is not recommended unless 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

The use of this product necessitates careful consideration of several warnings and precautions to ensure patient safety.

Reye’s Syndrome Children and teenagers who are experiencing or recovering from chickenpox or flu-like symptoms should avoid using 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 provoke severe allergic reactions, which can manifest as facial swelling, shock, hives, or asthma symptoms such as wheezing. Immediate medical attention should be sought if any of these symptoms 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

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

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

  • Exceed the recommended dosage or duration of use

  • Have a history of stomach ulcers or bleeding disorders

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

General Precautions Healthcare professionals should advise patients to consult a doctor prior to use if they:

  • Are taking diuretics

  • Have a history of stomach issues, such as heartburn

  • Have high blood pressure, heart disease, liver cirrhosis, or kidney disease

  • Have asthma

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

Discontinuation and Consultation Patients should discontinue use and contact a healthcare provider if they experience:

  • Any signs of an allergic reaction, which require urgent medical attention

  • Symptoms indicative of stomach bleeding, such as feeling faint, vomiting blood, passing bloody or black stools, or persistent stomach pain

  • Ringing in the ears or loss of hearing

  • Worsening pain that lasts more than 10 days

  • A fever that worsens or persists beyond three days

  • Redness or swelling

  • The emergence of new symptoms, which may suggest a serious underlying condition

These precautions are essential for the safe use of this product and should be communicated clearly to all patients.

Side Effects

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

An allergy alert is warranted, as aspirin may cause severe allergic reactions. Symptoms of such reactions can include facial swelling, shock, hives, and asthma (wheezing). Patients experiencing any signs of an allergic reaction should seek medical help right away.

Additionally, this product contains a nonsteroidal anti-inflammatory drug (NSAID), which may increase the risk of severe stomach bleeding. The likelihood of this adverse reaction is heightened in patients who are 60 years of age or older, those taking blood-thinning (anticoagulant) or steroid medications, individuals using other NSAIDs (including aspirin, ibuprofen, or naproxen), and those who exceed the recommended dosage or duration of use. Patients with a history of stomach ulcers or bleeding problems, as well as those consuming three or more alcoholic drinks daily while using this product, are also at increased risk.

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 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, which could signify a serious 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

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 1 or 2 tablets every 4 hours or 3 tablets every 6 hours, with a maximum of 12 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 and symptoms of gastrointestinal bleeding is recommended in this population. Additionally, healthcare providers should consider the overall health status and concurrent medications of elderly patients, as these factors may further influence the risk of adverse effects.

Dose adjustments may be necessary based on individual patient assessments, taking into account the increased susceptibility to complications in older adults.

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 gestation or later, 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. It is essential to assess renal function and consider potential dosing adjustments or monitoring requirements based on the degree 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 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 to the signs of overdose and to act swiftly in accordance with established medical protocols.

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 regarding nonclinical toxicology or animal pharmacology and toxicology provided in the text.

Postmarketing Experience

No specific postmarketing experience details are available in the extracted data. As such, there are no reported adverse events or case reports to summarize.

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 should be cautioned against using the product if they have previously experienced an allergic reaction to it or any of its ingredients.

Patients must 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. They should also seek medical advice if they notice any redness or swelling or if new symptoms arise, as these may indicate a serious condition.

Healthcare providers should encourage patients to consult with a doctor before using the product if they are currently taking a diuretic, if the warning for stomach bleeding applies to them, or if they have a history of stomach problems such as heartburn. It is also important to discuss the need for medical advice if patients have high blood pressure, heart disease, liver cirrhosis, kidney disease, or asthma. Additionally, patients should be advised to speak with their doctor or pharmacist before using the product if they are taking prescription medications for gout, diabetes, or arthritis.

Storage and Handling

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

Additional Clinical Information

The product is administered orally. Clinicians should advise patients to consult with their doctor or healthcare provider prior to using this product for heart-related conditions. No further information is available regarding laboratory tests, abuse potential, or postmarketing experiences.

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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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.