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Aspirin

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Active ingredient
Aspirin 325 mg
Other brand names
Dosage form
Tablet, Film Coated
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 1996
Label revision date
August 25, 2025
Active ingredient
Aspirin 325 mg
Other brand names
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
August 25, 2025
Manufacturer
KEM Pharma LLC
NDC root
60503-157

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Drug Overview

Aspirin 325 mg 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 various types of discomfort, including headaches, toothaches, muscle pain, menstrual pain, and minor arthritis pain. Additionally, it helps to reduce fever associated with colds.

By working on the body's pain and inflammation pathways, aspirin provides relief from these symptoms, making it a popular choice for many individuals seeking quick and effective pain management.

Uses

You can use this medication to temporarily relieve various types of pain and discomfort. It is effective for headaches, toothaches, muscle pain, and menstrual pain. Additionally, it can help reduce pain and fever associated with colds, as well as minor pain from arthritis.

This medication is designed to provide you with quick relief, making it a useful option when you're dealing with these common ailments. Always consult with a healthcare professional if you have any questions or concerns about its use.

Dosage and Administration

When taking this medication, it's important to drink a full glass of water with each dose to help with absorption. For adults and children aged 12 years and older, you can take either 1 or 2 tablets every 4 hours, or 3 tablets every 6 hours. However, make sure not to exceed a total of 12 tablets in a 24-hour period.

If the patient is a child under 12 years old, it's best to consult a doctor for the appropriate dosage. Always follow these guidelines to ensure safe and effective use of the medication.

What to Avoid

You should avoid using this medication if you are allergic to aspirin or any other pain reliever or fever reducer. Allergic reactions can be serious, so it's important to ensure that you do not have this allergy before taking the medication. Always consult with your healthcare provider if you have any concerns about allergies or if you are unsure about your medical history. Your safety is the top priority.

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 serious condition. If you notice changes in behavior accompanied by nausea and vomiting, consult a doctor immediately. Additionally, this product can cause severe allergic reactions, which may include hives, facial swelling, asthma (wheezing), or shock.

There is also a risk of severe stomach bleeding, especially if you are over 60, have a history of stomach ulcers, or are taking certain medications like blood thinners or other NSAIDs (nonsteroidal anti-inflammatory drugs). If you experience symptoms such as feeling faint, vomiting blood, or having bloody or black stools, stop using the product and seek medical attention. Always consult your doctor if you have a history of stomach problems, high blood pressure, or other serious health conditions before using this product.

Warnings and Precautions

It's important to be aware of some serious warnings when using this product. If you are a child or teenager recovering from chickenpox or flu-like symptoms, you should not use this product, as it could lead to Reye's syndrome, a rare but serious illness. Additionally, be cautious of potential severe allergic reactions, which may include hives, facial swelling, asthma (wheezing), or shock. This product can also increase the risk of severe stomach bleeding, especially if you are over 60, have a history of stomach ulcers, or are taking certain medications like blood thinners or other NSAIDs (nonsteroidal anti-inflammatory drugs).

Before using this product, consult your doctor if you have a history of stomach problems, 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 gout, diabetes, or arthritis. If you experience any signs of stomach bleeding, such as feeling faint, vomiting blood, or having black stools, stop using the product and call your doctor immediately. Seek emergency help if you suspect an overdose by contacting a Poison Control Center at 1-800-222-1222. Always be alert for any new symptoms or worsening conditions, and don’t hesitate to reach out to your healthcare provider if you have concerns.

Overdose

If you suspect an overdose, it’s crucial to seek medical help immediately. You can contact a Poison Control Center at 1-800-222-1222 for guidance. Signs of an overdose can vary, but they may include unusual drowsiness, confusion, or difficulty breathing.

Always err on the side of caution—if you notice any concerning symptoms or if you’re unsure, don’t hesitate to get help right away. Your health and safety are the top priority.

Pregnancy Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using any medication. This is to ensure the safety of both you and your baby.

Particularly, you should avoid using aspirin during the last three months of your pregnancy unless your doctor specifically advises you to do so. Taking aspirin at this stage can lead to potential issues for your unborn child or complications during delivery. Always prioritize open communication with your healthcare provider regarding any medications you may consider.

Lactation Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using any medication, including aspirin. This is particularly crucial during the last three months of pregnancy, as using aspirin at 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 guidance from your doctor.

Pediatric Use

If your child is recovering from chicken pox or has flu-like symptoms, it's important to avoid using this product, as it can increase the risk of a serious condition called Reye's syndrome (a rare but dangerous illness that can affect the brain and liver). If you notice any changes in your child's behavior, along with nausea and vomiting while using this product, consult a doctor immediately, as these could be early signs of Reye's syndrome.

For dosing, children under 12 years should always consult a doctor before use. 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. Always keep this product out of reach of children, and in case of an overdose, seek medical help or contact a Poison Control Center right away at 1-800-222-1222.

Geriatric Use

As you age, it's important to be aware of certain health risks when using medications. This product contains a type of pain reliever known as an NSAID, which can increase the risk of severe stomach bleeding, especially if you are 60 years or older. To help protect your health, it's crucial to consult with your doctor before using this medication if you have conditions such as high blood pressure, heart disease, liver cirrhosis (a serious liver condition), or kidney disease.

Taking these precautions can help ensure that you use this medication safely and effectively. Always prioritize open communication with your healthcare provider about your health history and any concerns you may have.

Renal Impairment

If you have kidney problems, it's important to consult your doctor before using this medication. Your healthcare provider will want to know if you also have high blood pressure, heart disease, or liver cirrhosis, as these conditions can affect how your body processes the medication. Always follow your doctor's guidance to ensure your safety and the effectiveness of your treatment.

Hepatic Impairment

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

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

Drug Interactions

It's important to be aware that this product contains a nonsteroidal anti-inflammatory drug (NSAID), which can increase the risk of severe stomach bleeding, especially if you are taking blood thinners (medications that prevent blood clots) or steroids, or if you are using other NSAIDs like aspirin or ibuprofen.

Before using this product, you should consult with your healthcare provider if you are taking medications for gout, diabetes, or arthritis. Additionally, if you have conditions such as high blood pressure, heart disease, liver cirrhosis, or kidney disease, it's crucial to discuss this with your doctor. Always keep your healthcare team informed about all medications and health conditions to ensure your safety.

Storage and Handling

To ensure the best performance of your product, store it at room temperature, ideally around 25ºC (77ºF). It can safely be kept in a range from 15ºC to 30ºC (59ºF to 86ºF). Always check the packaging for the expiration date and lot number, which are located on the end flap.

When handling the product, be cautious of the tamper-evident seal. If the safety seal under the cap is broken or missing, do not use the product, as this may indicate it has been compromised. Following these guidelines will help maintain the product's integrity and your safety.

Additional Information

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

In the event of an overdose, seek medical assistance immediately or contact a Poison Control Center at 1-800-222-1222.

FAQ

What is Aspirin 325 mg used for?

Aspirin 325 mg is a pain reliever and fever reducer that temporarily relieves headache, toothache, muscle pain, menstrual pain, pain and fever of colds, and minor pain of arthritis.

What should I do if I am allergic to aspirin?

Do not use Aspirin 325 mg if you are allergic to aspirin or any other pain reliever/fever reducer.

What are the dosing 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 to exceed 12 tablets in 24 hours.

Can children under 12 take Aspirin 325 mg?

Children under 12 years should ask a doctor before using Aspirin 325 mg.

What are the warnings associated with Aspirin 325 mg?

Warnings include the risk of Reye's syndrome in children and teenagers recovering from chicken pox or flu-like symptoms, severe allergic reactions, and the potential for severe stomach bleeding.

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

Stop using Aspirin 325 mg and call your doctor if you feel faint, vomit blood, have bloody or black stools, or have stomach pain that does not get better.

Is it safe to use Aspirin during pregnancy?

If you are pregnant or breastfeeding, ask a health professional before use. It is especially important not to use aspirin during the last 3 months of pregnancy unless directed by a doctor.

What should I do in case of an overdose?

In case of overdose, get medical help or contact a Poison Control Center (1-800-222-1222) right away.

How should I store Aspirin 325 mg?

Store Aspirin 325 mg at 25ºC (77ºF), with permitted excursions between 15º-30ºC (59º-86ºF).

What should I do if the safety seal is broken or missing?

Do not use Aspirin 325 mg if the imprinted safety seal under the cap is broken or missing.

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)

Uses and Indications

This drug is indicated for the temporary relief of various types of pain and discomfort, including headache, toothache, muscle pain, menstrual pain, and minor pain associated with arthritis. Additionally, it is effective in alleviating pain and fever related to colds.

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

Dosage and Administration

Patients should take the medication with a full glass of water to ensure proper administration and absorption.

For adults and children aged 12 years and older, the recommended dosage is 1 or 2 tablets every 4 hours, or 3 tablets every 6 hours. The total daily dosage must not exceed 12 tablets within a 24-hour period.

For children under 12 years of age, it is advised to consult a physician for appropriate dosing recommendations.

Contraindications

Use is contraindicated in individuals with a known allergy to aspirin or any other pain reliever or fever reducer. Due to the potential for severe allergic reactions, administration in these patients is not recommended.

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 condition.

Aspirin may provoke severe allergic reactions in some individuals. Symptoms of such reactions can include hives, facial swelling, asthma (wheezing), and shock. 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 are 60 years of age or older, have a history of stomach ulcers or bleeding problems, are taking anticoagulants or steroid medications, are using other NSAIDs (including aspirin, ibuprofen, or naproxen), exceed the recommended dosage or duration of use, or consume three or more alcoholic beverages daily while using this product.

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, high blood pressure, heart disease, liver cirrhosis, kidney disease, or if they are taking diuretics or have asthma. Additionally, patients should seek guidance from a doctor or pharmacist if they are currently taking prescription medications for gout, diabetes, or arthritis.

In the event of an overdose, immediate medical assistance should be sought, or the Poison Control Center (1-800-222-1222) should be contacted without delay.

Patients should be instructed to discontinue use and contact a healthcare provider if they experience any signs of stomach bleeding, such as feeling faint, vomiting blood, having bloody or black stools, or experiencing persistent stomach pain. Immediate medical attention is also warranted if an allergic reaction occurs, if pain worsens or persists beyond 10 days, if fever intensifies or lasts more than 3 days, if there is ringing in the ears or loss of hearing, if redness or swelling develops, or if any new symptoms arise.

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.

Aspirin may also cause severe allergic reactions in some patients. Symptoms of such reactions can include hives, facial swelling, asthma (wheezing), and shock. Patients should seek immediate medical attention if they experience any signs of an allergic reaction.

Additionally, 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, have a history of stomach ulcers or bleeding problems, are taking blood-thinning medications or steroids, are using other NSAIDs (including aspirin, ibuprofen, or naproxen), exceed the recommended dosage or duration of use, or consume three or more alcoholic drinks daily while using this product.

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. They should also seek medical help if an allergic reaction occurs, if pain worsens or lasts more than 10 days, if fever worsens or lasts more than 3 days, if there is ringing in the ears or loss of hearing, if redness or swelling is present, or if any new symptoms arise.

Before using this product, patients should consult a doctor if any of the following apply: they have a history of stomach problems such as heartburn, high blood pressure, heart disease, liver cirrhosis, or kidney disease; they are taking a diuretic; or they have asthma. Furthermore, patients should ask a doctor or pharmacist before use if they are taking prescription medications for gout, diabetes, or arthritis.

Drug Interactions

The product contains a nonsteroidal anti-inflammatory drug (NSAID), which is associated with an increased risk of severe gastrointestinal bleeding. This risk is particularly heightened in patients who are concurrently using anticoagulants or steroid medications. Additionally, the concomitant use of other NSAIDs, whether prescription or over-the-counter (such as aspirin, ibuprofen, or naproxen), may further elevate this risk.

Patients taking prescription medications for gout, diabetes, or arthritis should consult with a healthcare professional prior to using this product. Furthermore, individuals with pre-existing conditions such as high blood pressure, heart disease, liver cirrhosis, or kidney disease are advised to seek medical advice before initiating treatment with this NSAID. Monitoring and potential dosage adjustments may be necessary based on the clinical judgment of the healthcare provider.

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 children and teenagers, should not use this product if they have or are recovering from chicken pox or flu-like symptoms due to the risk of Reye's syndrome. If any changes in behavior accompanied by nausea and vomiting occur during use, it is essential to consult a healthcare professional, as these may be early signs of Reye's syndrome.

For dosing, 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. For children under 12 years, it is advised to consult a doctor for appropriate dosing recommendations.

This product should be kept out of reach of children. In the event of an overdose, immediate medical assistance should be sought, or contact a Poison Control Center at 1-800-222-1222.

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). Therefore, caution is advised when prescribing this medication to geriatric patients.

Before initiating treatment, healthcare providers should assess the patient's medical history, especially for conditions such as high blood pressure, heart disease, liver cirrhosis, or kidney disease. It is recommended that elderly patients consult with their healthcare provider prior to use to ensure safe administration and to discuss any potential risks associated with their existing health conditions.

Monitoring for adverse effects, particularly gastrointestinal complications, is essential in this population to mitigate the risk of serious outcomes.

Pregnancy

Pregnant patients should consult a healthcare professional before using this medication, particularly if they are in the later stages of pregnancy or breastfeeding. The use of aspirin during the last trimester is particularly cautioned against, as it may pose risks to the unborn child and lead to complications during delivery. Therefore, it is essential that pregnant patients only use aspirin in this period if explicitly directed by a healthcare provider.

Lactation

Lactating mothers are advised to consult a health professional prior to using this medication. It is particularly important to avoid the use of aspirin during the last three months of pregnancy unless explicitly 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 while breastfeeding.

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 medical guidance to assess the potential risks and benefits associated with the use of this medication. Monitoring of liver function may be necessary to ensure safety and efficacy in this population. Adjustments to dosage or treatment regimens may be required based on the severity of hepatic impairment, and healthcare providers should evaluate each case individually.

Overdosage

In the event of an overdose, it is imperative to seek immediate medical assistance. Healthcare professionals are advised to contact a Poison Control Center at 1-800-222-1222 for guidance on managing the situation effectively.

Prompt intervention is crucial to mitigate potential adverse effects associated with overdose. Symptoms may vary depending on the substance involved, and healthcare providers should be prepared to assess and manage these symptoms accordingly.

Management procedures may include supportive care and symptomatic treatment, tailored to the specific clinical presentation of the patient. Continuous monitoring and evaluation are essential to ensure patient safety and to address any complications that may arise during the course of treatment.

Nonclinical Toxicology

It is especially important not to use aspirin during the last three months of pregnancy unless specifically directed by a healthcare professional, as it may lead to complications for the unborn child or during delivery. No non-teratogenic effects have been specified in the available data. Additionally, there are no details provided regarding nonclinical toxicology or animal pharmacology and toxicology.

Postmarketing Experience

No specific postmarketing experience details are available. As such, there are no additional adverse events or rare case reports to summarize at this time.

Patient Counseling

Patients should be advised to seek immediate medical assistance or contact a Poison Control Center at 1-800-222-1222 in the event of an overdose.

Healthcare providers should instruct patients 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.

Patients should also be informed to stop use and seek medical attention if they notice any signs of an allergic reaction, and to do so immediately if such a reaction occurs. Additionally, they should be counseled to stop use and consult a doctor if their pain worsens or persists beyond 10 days, or if their fever intensifies or lasts more than 3 days.

It is important to advise patients to seek medical advice if they experience ringing in the ears, loss of hearing, redness, swelling, or any new symptoms.

Patients should be encouraged to consult a doctor before using the medication if they have a history of stomach problems, such as heartburn, or if the stomach bleeding warning applies to them. Furthermore, they should be advised to seek medical guidance if they have high blood pressure, heart disease, liver cirrhosis, or kidney disease, or if they are taking a diuretic.

Lastly, patients should be reminded to consult a doctor or pharmacist before use if they are currently taking a prescription medication for gout, diabetes, or arthritis.

Storage and Handling

The product is supplied in a configuration that includes a tamper-evident seal. It is essential to inspect the safety seal under the cap; do not use the product if the seal is broken or missing.

Storage conditions require the product to be maintained at a temperature of 25ºC (77ºF), with permissible excursions between 15ºC and 30ºC (59ºF to 86ºF). For optimal integrity, it is advised to keep the product in its original container.

The expiration date and lot number can be found on the end flap of the packaging, and it is important to check these details prior to use.

Additional Clinical Information

Patients should be advised to consult a healthcare professional if they are pregnant or breastfeeding before using the medication. It is particularly crucial to avoid aspirin during the last trimester of pregnancy unless specifically directed by a physician, as it may pose risks to the unborn child or lead to complications during delivery.

In the event of an overdose, patients are urged to seek immediate medical assistance or contact a Poison Control Center at 1-800-222-1222.

Drug Information (PDF)

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

View product document (PDF)

Data Generation & Sources

This page was automatically generated and is maintained by the AllDrugs AI Data-Science Team. It was built from the FDA Structured Product Label (DailyMed) for Aspirin, retrieved by a validated AI data-extraction workflow.

All FDA-listed dosage forms and strengths are shown in the Packaging & NDC Codes section above. Regulatory status appears in the Summary Information panel above and was verified in the FDA National Drug Code directory and the NSDE NDC Directory daily file.

Note: an automated daemon monitors NSDE checksums; when the record for this NDC changes, the new file is pulled instantly and this page is refreshed.

No human clinician has reviewed this version.

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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.