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Acetaminophen

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Active ingredient
Acetaminophen 325 mg
Other brand names
Dosage form
Tablet, Coated
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2015
Label revision date
March 11, 2026
Active ingredient
Acetaminophen 325 mg
Other brand names
Dosage form
Tablet, Coated
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 2015
Label revision date
March 11, 2026
Manufacturer
Amerisource Bergen
Registration number
M013
NDC root
46122-430

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Drug Overview

Acetaminophen is a pain reliever and fever reducer commonly used to temporarily relieve minor aches and pains, such as headaches, backaches, toothaches, and muscular aches. It is also effective for alleviating pain associated with arthritis and menstrual cramps, as well as reducing fever.

Available in 325 mg gelcaps, acetaminophen is a widely recognized medication that can help you feel more comfortable when dealing with everyday discomforts and illnesses.

Uses

You can use this medication to temporarily relieve minor aches and pains caused by various conditions, including headaches, the common cold, backaches, muscular aches, toothaches, and minor arthritis pain. It can also help ease premenstrual and menstrual cramps. Additionally, this medication is effective in temporarily reducing fever.

Rest assured, there are no known teratogenic effects (which means it does not cause birth defects) associated with this medication.

Dosage and Administration

When using this medication, it's important to follow the directions carefully. For adults and children aged 12 years and older, you should take 2 gelcaps every 4 to 6 hours as needed while you have symptoms. However, make sure not to exceed 10 gelcaps in a 24-hour period unless your doctor advises otherwise. Additionally, you should not use this medication for more than 10 days unless directed by a healthcare professional.

If you have a child under 12 years old, it's best to consult a doctor before giving them this medication. Always remember to take only the recommended amount to ensure your safety and well-being.

What to Avoid

It's important to be cautious when using this medication. You should not take it if you are allergic to acetaminophen or any of the inactive ingredients in the product. Additionally, avoid using it alongside any other medications that contain acetaminophen, whether they are prescription or over-the-counter. If you're unsure whether a medication contains acetaminophen, please consult your doctor or pharmacist for guidance. Taking these precautions can help ensure your safety and well-being.

Side Effects

Taking this medication can lead to some serious side effects, particularly concerning your liver. It's important to avoid exceeding 4,000 mg of acetaminophen in a 24-hour period, using it alongside other acetaminophen-containing products, or consuming three or more alcoholic drinks daily while on this medication, as these actions can result in severe liver damage.

You should also be aware of potential allergic reactions, which may include severe skin issues like reddening, blisters, or rashes. If you experience any of these symptoms, stop using the medication and seek medical help immediately. Additionally, if you notice new symptoms, if your pain worsens or lasts more than 10 days, or if your fever persists for more than 3 days, consult a doctor, as these could indicate a more serious condition. If you have liver disease or are taking the blood thinner warfarin, it's essential to talk to your doctor or pharmacist before using this medication.

Warnings and Precautions

This product contains acetaminophen, which can lead to severe liver damage if you take more than 4,000 mg in 24 hours, use it with other medications containing acetaminophen, or consume three or more alcoholic drinks daily while using it. Be aware that acetaminophen may also cause serious skin reactions, such as skin reddening, blisters, or rash. If you experience any skin reactions, stop using the product and seek medical help immediately.

Before using this product, consult your doctor if you have liver disease or are taking the blood thinner warfarin. If you accidentally take too much, get emergency medical help or contact a Poison Control Center right away, even if you don’t notice any symptoms. Additionally, stop using the product and call your doctor if you develop new symptoms, if your pain worsens or lasts more than 10 days, if your fever worsens or lasts more than 3 days, or if you notice any redness or swelling, as these could indicate a serious condition.

Overdose

If you suspect an accidental overdose, it’s important to seek medical help immediately or contact a Poison Control Center. This is crucial for both adults and children, even if you don’t see any signs or symptoms of overdose.

Signs of an overdose can vary, but they may include unusual drowsiness, confusion, or difficulty breathing. Always err on the side of caution and get help right away if you think an overdose has occurred. Your quick action can make a significant difference in ensuring safety and health.

Pregnancy Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using this medication. They can provide guidance on whether it’s safe for you and your baby. Always prioritize your health and the health of your child by seeking expert advice.

Lactation Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using any medication. This ensures that you understand any potential risks and can make informed decisions about your health and the health of your baby. Always prioritize open communication with your doctor regarding your breastfeeding journey.

Pediatric Use

If your child is under 12 years old, it's important to consult a doctor before giving them this medication. For those aged 12 and older, the recommended dosage is 2 gelcaps every 4 to 6 hours as needed, but you should not exceed 10 gelcaps in a 24-hour period unless a doctor advises otherwise. Additionally, do not use this medication for more than 10 days without a doctor's guidance.

In the event of an accidental overdose, seek medical help immediately or contact a Poison Control Center. Quick medical attention is essential for both adults and children, even if there are no noticeable symptoms.

Geriatric Use

While there is no specific information available about the use of this medication in older adults, it’s important to approach any new treatment with caution. If you or a loved one is an older adult, it’s always a good idea to discuss any medications with a healthcare provider. They can help ensure that the treatment is safe and appropriate, considering any unique health needs or conditions that may be present.

Remember, even in the absence of specific guidelines, your healthcare team can provide valuable insights and monitor for any potential side effects or interactions with other medications you may be taking. Always prioritize open communication with your doctor about your health and any concerns you may have.

Renal Impairment

If you have kidney problems, it's important to know that the drug insert does not provide specific information about dosage adjustments, special monitoring, or safety considerations for your condition. This means that there are no tailored guidelines for how this medication should be used if you have renal impairment (kidney issues).

Always consult your healthcare provider for personalized advice and to ensure that any medication you take is safe and appropriate for your health situation. They can help you understand how to manage your treatment effectively while considering your kidney health.

Hepatic Impairment

If you have liver problems, it's important to be cautious when using products that contain acetaminophen. Taking more than 4,000 mg of acetaminophen in a 24-hour period, using it alongside other medications that also contain acetaminophen, or consuming three or more alcoholic drinks daily while using this product can lead to severe liver damage.

Before using this product, you should consult your doctor, especially if you have liver disease. They can provide guidance on safe usage and any necessary adjustments to your dosage. Your health and safety are the top priority, so don’t hesitate to seek professional advice.

Drug Interactions

It's important to talk to your doctor or pharmacist before using this medication, especially if you are taking warfarin, a blood-thinning drug. Acetaminophen can interact with warfarin, which may affect how well your blood is thinned.

Always discuss any medications you are taking with your healthcare provider to ensure your safety and avoid potential interactions. This is a crucial step in managing your health effectively.

Storage and Handling

To ensure the best performance and safety of your product, store it in a cool, dry place, avoiding high humidity. The ideal storage temperature is 25°C (77°F), but it can be safely kept within a range of 15°-30°C (59°-86°F). Always check the expiration date on the package and use the product before this date to ensure its effectiveness.

When handling the product, be mindful of these storage conditions to maintain its quality. Proper storage and timely use are key to ensuring your safety and the product's reliability.

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. In the event of an accidental overdose, seek medical help immediately or contact a Poison Control Center. Quick medical attention is crucial for both adults and children, even if there are no noticeable signs or symptoms.

FAQ

What is Acetaminophen used for?

Acetaminophen is a pain reliever and fever reducer that temporarily relieves minor aches and pains due to headaches, the common cold, backaches, muscular aches, toothaches, minor arthritis pain, and menstrual cramps.

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

Adults and children 12 years and over should take 2 gelcaps every 4 to 6 hours while symptoms last, not exceeding 10 gelcaps in 24 hours unless directed by a doctor.

Are there any warnings associated with Acetaminophen?

Yes, severe liver damage may occur if you take more than 4,000 mg in 24 hours, use with other drugs containing acetaminophen, or consume 3 or more alcoholic drinks daily while using this product.

What should I do in case of an overdose?

In case of accidental overdose, get medical help or contact a Poison Control Center right away, as prompt medical attention is critical.

Can I take Acetaminophen if I am pregnant or breastfeeding?

If you are pregnant or breastfeeding, you should ask a health professional before using Acetaminophen.

What should I do if I experience a skin reaction?

If you experience symptoms like skin reddening, blisters, or rash, stop using Acetaminophen and seek medical help immediately.

Who should not take Acetaminophen?

Do not use Acetaminophen if you are allergic to it or any of its inactive ingredients, or if you are taking any other drug containing acetaminophen.

What should I do if my symptoms worsen or new symptoms occur?

Stop using Acetaminophen and ask a doctor if your pain worsens or lasts more than 10 days, or if your fever worsens or lasts more than 3 days.

Packaging Info

Below are the non-prescription pack sizes of Acetaminophen. Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Acetaminophen.
Details

Drug Information (PDF)

This file contains official product information for Acetaminophen, 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 headache, the common cold, backache, muscular aches, toothache, minor pain of arthritis, and premenstrual and menstrual cramps. Additionally, it is indicated for the temporary reduction of fever.

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

Dosage and Administration

Adults and children aged 12 years and over are instructed to take 2 gelcaps every 4 to 6 hours as needed for symptom relief. The total daily dosage must not exceed 10 gelcaps within a 24-hour period, unless otherwise directed by a healthcare professional. Additionally, the duration of use should not exceed 10 days unless specifically advised by a doctor.

For children under 12 years of age, it is recommended to consult a healthcare professional for appropriate dosing guidance.

It is imperative that patients adhere strictly to the recommended dosages and not exceed the specified limits.

Contraindications

Use of this product is contraindicated in the following situations:

Patients should not use this product in conjunction with any other medication containing acetaminophen, whether prescription or nonprescription, due to the risk of acetaminophen overdose. If there is uncertainty regarding the presence of acetaminophen in other medications, consultation with a healthcare professional is advised.

Additionally, this product is contraindicated in individuals with a known allergy to acetaminophen or any of the inactive ingredients contained in the formulation, as this may lead to severe allergic reactions.

Warnings and Precautions

This product contains acetaminophen, which carries a significant risk of severe liver damage if not used according to the guidelines. Healthcare professionals should advise patients that the risk of liver damage increases with the following conditions: exceeding 4,000 mg of acetaminophen within a 24-hour period, concurrent use with other medications containing acetaminophen, or consumption of three or more alcoholic beverages daily while using this product.

Patients should also be made aware of the potential for severe skin reactions associated with acetaminophen. Symptoms may include skin reddening, blisters, and rash. In the event of any skin reaction, patients must discontinue use immediately and seek medical assistance.

General precautions should be taken into account prior to administration. Patients with a history of liver disease should consult a healthcare provider before use. Additionally, those taking the anticoagulant warfarin should seek advice from a doctor or pharmacist before using this product, as interactions may occur.

In cases of accidental overdose, it is imperative to obtain emergency medical help or contact a Poison Control Center without delay. Prompt medical attention is crucial for both adults and children, even if no immediate signs or symptoms are evident.

Patients should be instructed to stop taking the product and consult a healthcare professional if any of the following occur: the emergence of new symptoms, worsening pain lasting more than 10 days, fever that worsens or persists for more than 3 days, or the presence of redness or swelling. These symptoms may indicate a serious underlying condition that requires further evaluation.

Side Effects

Severe liver damage may occur in patients who exceed 4,000 mg of acetaminophen within a 24-hour period, use other medications containing acetaminophen concurrently, or consume three or more alcoholic drinks daily while using this product.

Patients should be aware of the potential for severe skin reactions associated with acetaminophen, which may manifest as skin reddening, blisters, or rash. In the event of a skin reaction, it is imperative to discontinue use and seek medical assistance immediately.

Patients are advised to stop use and consult a healthcare professional if new symptoms arise, if pain worsens or persists beyond 10 days, if fever intensifies or lasts more than 3 days, or if redness or swelling is observed, as these may indicate a serious underlying condition.

Individuals with liver disease should consult a doctor prior to using this product. Additionally, patients taking the blood-thinning medication warfarin should seek advice from a doctor or pharmacist before use.

Drug Interactions

Acetaminophen may interact with the anticoagulant warfarin. It is advisable for patients to consult a healthcare professional, such as a doctor or pharmacist, prior to using acetaminophen if they are currently taking warfarin. This interaction could potentially affect the anticoagulant's efficacy and safety profile.

No additional drug interactions or laboratory test interactions have been identified for acetaminophen.

Packaging & NDC

Below are the non-prescription pack sizes of Acetaminophen. Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Acetaminophen.
Details

Pediatric Use

Pediatric patients under 12 years of age should consult a healthcare professional before use. For adolescents aged 12 years and older, the recommended dosage is 2 gelcaps every 4 to 6 hours as needed, with a maximum of 10 gelcaps in a 24-hour period, unless otherwise directed by a physician. Treatment should not exceed 10 days without medical advice.

In the event of an accidental overdose, immediate medical assistance should be sought, and contacting a Poison Control Center is advised. Prompt medical attention is essential for both adults and pediatric patients, even if no signs or symptoms are apparent.

Geriatric Use

There is no specific information available regarding the use of this medication in geriatric patients, including dosage adjustments, safety concerns, or special precautions. Healthcare providers should exercise caution when prescribing this medication to elderly patients, as individual responses may vary. It is advisable to monitor these patients closely for any adverse effects or changes in efficacy, given the lack of targeted data for this population.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional prior to using this medication. It is important to assess the potential risks and benefits, as well as any available data regarding fetal outcomes and maternal health. Healthcare providers can offer guidance tailored to individual circumstances, ensuring the safety of both the patient and the developing fetus or nursing infant.

Lactation

Lactating mothers are advised to consult a health professional prior to using this medication. There is currently no available data on the excretion of this drug in human breast milk or its effects on breastfed infants. Therefore, caution is recommended when administering this medication to lactating individuals.

Renal Impairment

Patients with renal impairment have no specific information regarding dosage adjustments, special monitoring, or safety considerations provided in the drug insert. Therefore, healthcare professionals should exercise caution when prescribing this medication to individuals with reduced kidney function, as the lack of data necessitates careful clinical judgment. Regular monitoring of renal function may be advisable in these patients to ensure safety and efficacy.

Hepatic Impairment

Patients with hepatic impairment should exercise caution when using this product, as it contains acetaminophen, which is associated with the risk of severe liver damage. It is critical for patients to adhere to the following guidelines to minimize the risk of hepatotoxicity:

  • Patients should not exceed a maximum dosage of 4,000 mg of acetaminophen within a 24-hour period.

  • Concurrent use with other medications containing acetaminophen is contraindicated, as this may lead to unintentional overdose and increased risk of liver damage.

  • Consumption of three or more alcoholic drinks per day while using this product is not recommended, as it may exacerbate the risk of liver injury.

Additionally, patients with a known history of liver disease are advised to consult a healthcare professional prior to using this product to ensure safe and appropriate use. Regular monitoring of liver function may be warranted in patients with compromised liver function to detect any potential adverse effects promptly.

Overdosage

In the event of an accidental overdose, it is imperative to seek immediate medical assistance or contact a Poison Control Center without delay. Prompt medical attention is crucial for both adults and children, regardless of whether any signs or symptoms are apparent.

Healthcare professionals should be aware that the absence of symptoms does not preclude the possibility of serious complications. Therefore, it is essential to monitor the patient closely and provide appropriate interventions as necessary.

Nonclinical Toxicology

No teratogenic or non-teratogenic effects have been reported in the available nonclinical studies. Additionally, there is no information regarding animal pharmacology and toxicology. The absence of data limits the assessment of potential risks associated with the compound in these areas.

Postmarketing Experience

Postmarketing experience has identified that acetaminophen may be associated with severe skin reactions. Reports indicate that symptoms can include skin reddening, blisters, and rash. In the event of a skin reaction, it is advised to discontinue use immediately and seek medical assistance.

Patient Counseling

Healthcare providers should advise patients to seek immediate medical assistance or contact a Poison Control Center in the event of an accidental overdose, emphasizing that prompt medical attention is crucial for both adults and children, even if no signs or symptoms are apparent.

Patients should be informed not to use this medication in conjunction with any other products containing acetaminophen, whether prescription or nonprescription. If patients are uncertain about the presence of acetaminophen in any other medications they are taking, they should be encouraged to consult with a doctor or pharmacist.

It is important to instruct patients to avoid using this product if they have a known allergy to acetaminophen or any of the inactive ingredients included in the formulation.

Patients should be counseled to discontinue use and consult a doctor if they experience new symptoms, if their pain worsens or persists for more than 10 days, or if their fever intensifies or lasts longer than 3 days. Additionally, they should be advised to seek medical advice if they notice any redness or swelling, as these may indicate a serious condition.

Healthcare providers should recommend that patients with liver disease consult a doctor before using this medication. Furthermore, patients taking the blood-thinning medication warfarin should be advised to speak with a doctor or pharmacist prior to use to ensure safety and avoid potential interactions.

Storage and Handling

The product is supplied in various package configurations, with specific NDC numbers available for identification. It is essential to store the product at a controlled room temperature of 25°C (77°F). Temporary excursions are permissible within the range of 15° to 30°C (59° to 86°F).

To ensure product integrity, it is crucial to avoid high humidity conditions during storage. Users should also adhere to the expiration date indicated on the package to guarantee the product's 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. In the event of an accidental overdose, it is crucial for patients to seek medical assistance or contact a Poison Control Center immediately, as prompt medical attention is essential for both adults and children, even if no signs or symptoms are apparent.

Drug Information (PDF)

This file contains official product information for Acetaminophen, 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 Acetaminophen, 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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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.