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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 2019
Label revision date
January 7, 2026
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 2019
Label revision date
January 7, 2026
Manufacturer
Amerisource Bergen
Registration number
M013
NDC root
46122-596

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Drug Overview

Aspirin is a regular strength pain reliever that contains 325 mg of the active ingredient in each enteric-coated tablet. It is classified as a nonsteroidal anti-inflammatory drug (NSAID) and is commonly used to temporarily relieve minor aches and pains, including those associated with arthritis, headaches, menstrual discomfort, colds, toothaches, and muscle soreness.

By reducing inflammation and blocking pain signals in the body, aspirin helps you feel more comfortable during times of discomfort. If you're looking for a reliable option to manage minor pain, aspirin may be a suitable choice 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, there are no known teratogenic effects (which means it doesn't cause birth defects) associated with this medication, making it a safer option for many individuals.

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 have children under 12, do not give them this medication unless a doctor has specifically directed you to do so. Always prioritize safety and consult with a healthcare professional if you have any questions or concerns.

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

It's important to be aware of potential side effects when using this product. Children and teenagers recovering from chickenpox or flu-like symptoms should avoid it due to the risk of Reye's syndrome, a rare but serious illness. If you notice changes in behavior along with nausea and vomiting, consult a doctor immediately. Additionally, this product can cause severe allergic reactions, which may include facial swelling, asthma (wheezing), hives, or shock.

There is also a risk of severe stomach bleeding, especially if you take other NSAIDs (like ibuprofen or naproxen), have a history of stomach ulcers, or consume alcohol regularly. If you experience symptoms such as feeling faint, vomiting blood, or having bloody or black stools, seek medical attention right away. Always consult your doctor if you have a history of stomach problems, high blood pressure, or other health conditions before using this product.

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, asthma (wheezing), hives, or shock. This product contains an NSAID, which can cause severe stomach bleeding, especially if you take other NSAIDs, have a history of stomach ulcers, or consume three or more alcoholic drinks daily.

Before using this product, consult your doctor if you have a history of stomach problems, high blood pressure, heart disease, liver cirrhosis, kidney disease, or asthma. It's also wise to check with your doctor or pharmacist if you are taking medications for gout, diabetes, or arthritis. 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.

Don’t wait to see if symptoms improve; prompt action can be vital. Always prioritize your safety and the safety of others by getting professional assistance as soon as possible.

Pregnancy Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using any medication. This is especially true for aspirin, which should be avoided after 20 weeks of pregnancy unless your doctor specifically advises you to take it. Using aspirin during this time 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 guidance.

Lactation Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using any medication. Specifically, if you are considering taking aspirin, be aware that it is especially crucial to avoid it after 20 weeks of pregnancy unless your doctor has specifically advised you to take it. This is because aspirin can potentially cause issues for the unborn child or lead to complications during delivery. Always prioritize your health and the health of your baby by seeking professional guidance.

Pediatric Use

It's important to be cautious when giving this product to children and teenagers. If your child has chicken pox 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 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 when taking certain drugs. This risk means that you should discuss your medications with your healthcare provider, who can help you understand the potential side effects and adjust your treatment plan if necessary.

Always keep your doctor informed about any changes in your health or any new symptoms you may experience. Being proactive about your health can help you manage risks effectively and ensure that your treatment is safe and appropriate for your needs.

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 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 share your complete list of medications and any recent lab tests to avoid any potential issues. Your health and safety should always come first.

Storage and Handling

To ensure the best performance of your product, store it at a temperature of 25°C (77°F). It can safely be kept within a range of 15°-30°C (59°-86°F) for short periods. Always check the end flap for the expiration date and lot number to confirm its validity before use.

When handling the product, make sure to do so in a clean environment to maintain its integrity. Proper storage and careful handling are essential for safety and effectiveness, so please follow these guidelines closely.

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 to temporarily relieve minor aches and pains due to conditions like arthritis, headaches, menstrual pain, colds, toothaches, and muscle pain.

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

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.

Are there any contraindications for using Aspirin?

Do not use Aspirin if you are allergic to it or any other pain reliever/fever reducer, or if you have had an allergic reaction to this product or its ingredients.

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

If you feel faint, vomit blood, have bloody or black stools, or have stomach pain that does not improve, stop using Aspirin and consult a doctor immediately.

Can I use Aspirin if I am pregnant or breastfeeding?

If you are pregnant or breastfeeding, ask 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 are the warnings associated with Aspirin?

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

How should I store Aspirin?

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

What should I do if I miss a dose?

If you miss a dose, take it as soon as you remember. If it's almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not double the dose.

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 specified drug.

Uses and Indications

This drug is indicated for the temporary relief of minor aches and pains associated with various conditions, including minor arthritis pain, 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. 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 facial swelling, asthma (wheezing), hives, and shock. Immediate medical attention should be sought if an allergic reaction occurs.

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

  • Have a history of stomach ulcers or bleeding disorders.

  • Are using anticoagulants or steroid medications.

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

  • Are aged 60 years or older.

  • Exceed the recommended dosage or duration of use.

Healthcare professionals should advise patients to consult a doctor prior to use if any of the following conditions apply:

  • A history of stomach problems, such as heartburn.

  • Current use of diuretics.

  • Diagnosed high blood pressure, heart disease, liver cirrhosis, or kidney disease.

  • A history of asthma.

Additionally, patients should seek guidance from a doctor or pharmacist if they are taking prescription medications for gout, diabetes, or arthritis.

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

Patients are advised to discontinue use and consult a healthcare professional if they experience any of the following:

  • 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 experiencing 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 at the site of use.

  • The emergence of new symptoms, as these may signify a serious condition.

Side Effects

Patients using this product should be aware of several serious adverse reactions associated with its use. Notably, Reye’s syndrome is a rare but serious illness that can 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 may be early signs of Reye's syndrome.

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

The product also 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 take other NSAIDs, have a history of stomach ulcers or bleeding problems, are on blood-thinning medications or steroids, consume three or more alcoholic drinks daily, are aged 60 or older, or exceed the recommended dosage or duration of use.

Patients are advised to stop using the product 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 consultation 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, as these could indicate a serious condition.

Before using this product, patients should consult a doctor if they have a history of stomach problems, such as heartburn, or if they are taking diuretics, have high blood pressure, heart disease, liver cirrhosis, or kidney disease, or have asthma. Furthermore, patients should seek advice from a doctor or pharmacist if they are taking prescription medications for gout, diabetes, or arthritis.

Drug Interactions

There are currently no documented drug interactions associated with this medication. Additionally, there are no known 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 under 12 years of age should not use this product unless directed by a doctor. For adolescents 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 professional.

Caution is advised for children and teenagers who have or are recovering from chickenpox or flu-like symptoms, as they should not use this product. If any changes in behavior accompanied by nausea and vomiting occur during use, it is important to consult a doctor, as these symptoms may indicate the onset of Reye's syndrome, a rare but serious condition.

Geriatric Use

Elderly patients, particularly those aged 60 and older, are at an increased risk for severe stomach bleeding. It is essential for healthcare providers to exercise caution when prescribing medications that may exacerbate this risk in this population.

Monitoring for signs and symptoms of gastrointestinal bleeding is advised in geriatric patients, especially when initiating treatment or adjusting dosages. Healthcare providers should consider the overall health status and concurrent medications of elderly patients to mitigate potential adverse effects.

Pregnancy

Pregnant patients and women who are breastfeeding should consult a healthcare professional before using this medication. The use of aspirin during pregnancy, particularly at 20 weeks gestation or later, is associated with potential risks. Specifically, it may lead to adverse effects on the unborn child or complications during delivery. Therefore, it is crucial that pregnant patients only use aspirin under the guidance of a qualified healthcare provider.

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 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 its use 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 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 aware that the specific symptoms of an overdose may vary depending on the substance involved. Therefore, a thorough assessment of the patient's condition is essential to determine the appropriate course of action.

Management of an overdose typically involves supportive care and symptomatic treatment. Continuous monitoring of the patient's vital signs and clinical status is recommended. In cases where the specific substance is known, targeted interventions may be employed to counteract the effects of the overdose.

It is essential for healthcare providers to remain vigilant and act swiftly to ensure the safety and well-being of the patient in overdose situations.

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 provided text. 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 persistent stomach pain. If any of these symptoms occur, patients should stop using the product and contact a healthcare professional.

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 a 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 guidance if they are taking a diuretic, have high blood pressure, heart disease, liver cirrhosis, kidney disease, or asthma. Lastly, patients should be reminded to consult a doctor or pharmacist before use if they are currently taking prescription medications for gout, diabetes, or arthritis.

Storage and Handling

The product is supplied in configurations that include specific NDC numbers, which can be found on the packaging. 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 tracking and usage.

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 after 20 weeks of pregnancy unless specifically 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.