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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
November 18, 2025
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
November 18, 2025
Manufacturer
CHAIN DRUG MARKETING ASSOCIATION INC
Registration number
M013
NDC root
63868-352

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Drug Overview

Aspirin is a non-steroidal anti-inflammatory drug (NSAID) that serves as a pain reliever and fever reducer. It is commonly used to temporarily relieve minor pain associated with conditions such as arthritis, headaches, muscle pain, menstrual pain, toothaches, and the pain and fever that can accompany colds.

Available in coated tablet form, each tablet contains 325 mg of aspirin, making it effective for managing various types of discomfort. If you're looking for a way to alleviate pain or reduce fever, aspirin may be a suitable option for you.

Uses

You can use this medication to temporarily relieve various types of minor pain, including arthritis pain, headaches, muscle aches, menstrual cramps, toothaches, and discomfort associated with colds, such as pain and fever. It’s designed to help you feel more comfortable during these common ailments.

Rest assured, there are no teratogenic effects (which means it does not cause birth defects) or nonteratogenic effects (which refers to other types of harmful effects) associated with this medication. This makes it a safer option for managing your pain when needed.

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 should 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.

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, take blood thinners or steroids, consume alcohol regularly, or have a history of stomach ulcers. If you experience symptoms such as faintness, vomiting blood, black or bloody 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. Watch for any changes in behavior accompanied by nausea and vomiting, and consult a doctor immediately if these occur. Additionally, be cautious of severe allergic reactions, which can include facial swelling, shock, hives, or asthma symptoms like wheezing. This product may also cause severe stomach bleeding, especially if you are over 60, take blood thinners or steroids, consume alcohol daily, have a history of stomach ulcers, or exceed the recommended dosage.

Before using this product, consult your doctor if you are taking diuretics, have a history of stomach issues, or have conditions like high blood pressure, heart disease, liver cirrhosis, or kidney disease. If you are on medication for gout, diabetes, or arthritis, check with your doctor or pharmacist first. In case of an overdose, seek emergency medical help or contact a Poison Control Center right away.

Stop using this product and call your doctor if you experience any signs of an allergic reaction, stomach bleeding (such as feeling faint, vomiting blood, or having bloody or black stools), ringing in the ears, worsening pain, or if new symptoms arise. These could indicate a serious condition that requires immediate attention.

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 crucial to consult with a healthcare professional before using any medication. This is especially important for aspirin; you should avoid taking it after 20 weeks of pregnancy unless your doctor specifically advises 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 your baby's safety 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. 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. If your child is under 12 years old, you should only use it if a doctor specifically advises you to do so. Additionally, if your child has or is recovering from chickenpox or flu-like symptoms, they should not use this product. Watch for any changes in behavior accompanied by nausea and vomiting, as these could be early signs of Reye's syndrome, a rare but serious condition.

For children 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 directed by a doctor. Always consult with a healthcare professional if you have any concerns about using this product for your child.

Geriatric Use

As you age, it's important to be aware of certain risks associated with medications. This product contains a type of pain reliever known as an NSAID (nonsteroidal anti-inflammatory drug), which can increase the risk of severe stomach bleeding. This risk is particularly higher for individuals who are 60 years or older.

If you or a loved one is considering using this medication, please consult with a healthcare provider to discuss any potential risks and to ensure it is safe for your specific health needs. Taking precautions can help you manage pain effectively while minimizing any serious side effects.

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 and may need to adjust your dosage or monitor your condition closely.

Always inform your doctor about any other health issues you may have, including high blood pressure or heart disease, as these can also affect your treatment plan. Taking these precautions can help ensure your safety and the effectiveness of your medication.

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 room temperature, specifically at 25ºC (77ºF). It’s acceptable for the temperature to vary between 15ºC and 30ºC (59ºF to 86ºF) occasionally, but try to keep it within this range. Always check the expiration date on the package and use the product before that date to guarantee its effectiveness.

When handling the product, make sure to do so with clean hands and in a safe environment to maintain its integrity. Proper storage and careful handling are key to ensuring that the product remains safe and effective for your use.

Additional Information

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

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 is the recommended dosage 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.

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?

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.

Can children use Aspirin?

Children under 12 years should not use Aspirin unless directed by a doctor, especially if they have or are recovering from chicken pox or flu-like symptoms due to the risk of Reye's syndrome.

What precautions should I take if I am pregnant or breastfeeding?

If you are pregnant or breastfeeding, ask a health professional before using Aspirin, especially after 20 weeks of pregnancy, as it may cause problems for the unborn child or complications during delivery.

What are the potential allergic reactions to Aspirin?

Aspirin may cause severe allergic reactions, which can include facial swelling, shock, hives, and asthma (wheezing).

How should I store Aspirin?

Store Aspirin at 25ºC (77ºF), with permitted excursions between 15º-30ºC (59º-86ºF), and use it 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 specified 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 reported for 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 increases under the following circumstances:

  • Patients aged 60 years or older

  • Concurrent use of blood-thinning (anticoagulant) or steroid medications

  • Consumption of three or more alcoholic beverages daily while using this product

  • A history of stomach ulcers or bleeding disorders

  • Exceeding the recommended dosage or duration of use

  • Concurrent use of other medications containing NSAIDs, including aspirin, ibuprofen, or naproxen

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

  • Taking diuretics

  • At risk for stomach bleeding

  • Having a history of gastrointestinal issues, such as heartburn

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

  • Suffering from asthma

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

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 professional if any of the following occur:

  • Signs of an allergic reaction, which require urgent medical attention

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

  • Ringing in the ears or loss of hearing

  • Worsening pain lasting more than 10 days

  • Fever that worsens or persists beyond three days

  • Presence of redness or swelling

  • Onset of new symptoms

These signs may indicate a serious underlying condition that requires prompt evaluation.

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, there is a significant risk of severe allergic reactions to aspirin, which may manifest as facial swelling, shock, hives, or asthma (wheezing). Patients experiencing any signs of an allergic reaction should seek medical help right away.

This product contains a nonsteroidal anti-inflammatory drug (NSAID), which carries a risk of severe stomach bleeding. The likelihood of this adverse reaction is increased in patients who are 60 years of age or older, those taking blood-thinning medications or steroids, individuals consuming three or more alcoholic drinks daily while using the product, and patients with a history of stomach ulcers or bleeding problems. Furthermore, the risk is heightened if the product is taken in higher doses or for longer durations than directed, or if it is used concurrently with other NSAIDs, including prescription or nonprescription medications such as aspirin, ibuprofen, or naproxen.

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 stomach pain that does not improve. 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 condition requiring prompt evaluation.

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

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 any changes in behavior accompanied by nausea and vomiting occur, it is essential to consult a doctor, 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, are at an increased risk of severe stomach bleeding when using this product, which contains a nonsteroidal anti-inflammatory drug (NSAID). 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 consideration should be given to the potential need for dose adjustments or alternative therapies in this population. Regular assessment of the patient's overall health status and concurrent medications is recommended to mitigate risks associated with NSAID use in elderly patients.

Pregnancy

Pregnant patients and those 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 to the unborn child and may lead to 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 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 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, ensuring the safety and well-being of the patient.

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 postmarketing experience details are available in the insert.

Patient Counseling

Patients should be advised 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.

Healthcare providers should instruct patients to discontinue use and consult a doctor if they experience any signs of an allergic reaction, emphasizing the importance of seeking medical help right away. Patients 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. In such cases, they should stop using the product and contact a healthcare professional.

Patients should be informed to stop use and consult a doctor if they experience ringing in the ears or a loss of hearing. Furthermore, they should be advised to seek medical advice if their pain worsens or persists for more than 10 days, if their fever intensifies or lasts longer than 3 days, or if they notice any redness or swelling. New symptoms should also prompt a consultation with a healthcare provider, as these may indicate a serious condition.

It is important for patients to consult a doctor before using this product if they are currently taking a diuretic or if they have a history of stomach problems, such as heartburn. Patients with high blood pressure, heart disease, liver cirrhosis, or kidney disease should also seek medical advice prior to use. Additionally, those with asthma should consult a healthcare provider before using the product. Lastly, patients taking prescription medications for gout, diabetes, or arthritis should discuss their use of this product with a doctor or pharmacist.

Storage and Handling

The product is supplied in packaging that includes specific NDC numbers. It should be stored at a controlled room temperature of 25ºC (77ºF), with permissible excursions between 15ºC and 30ºC (59ºF to 86ºF). It is essential to adhere to the expiration date indicated on the package to ensure product efficacy and safety.

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 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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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.