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Acetaminophen

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Active ingredient
Acetaminophen 500 mg
Other brand names
Dosage form
Tablet
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2024
Label revision date
December 19, 2025
Active ingredient
Acetaminophen 500 mg
Other brand names
Dosage form
Tablet
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 2024
Label revision date
December 19, 2025
Manufacturer
SAM'S WEST INC
Registration number
M013
NDC root
68196-177

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Drug Overview

APAP 500mg is a medication commonly used to temporarily relieve minor aches and pains, such as those caused by the common cold, headaches, backaches, toothaches, and muscular aches. It is also effective for alleviating minor pain associated with arthritis and menstrual cramps. In addition to pain relief, APAP 500mg helps to temporarily reduce fever, making it a versatile option for managing discomfort and feverish symptoms.

Uses

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

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

Dosage and Administration

If you are an adult or a child aged 12 years and older, you should take 2 caplets every 6 hours as long as you have symptoms. However, make sure not to exceed 6 caplets in a 24-hour period unless your doctor advises otherwise. It's also important to limit your use to no more than 10 days unless directed by a healthcare professional.

For children under 12 years old, it's best to consult a doctor before giving them this medication. Always follow your healthcare provider's instructions to ensure safe and effective use.

What to Avoid

It's important to be cautious when using this medication. You should not use it alongside any other drugs 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 clarification.

Additionally, avoid using this product if you have a known allergy to acetaminophen or any of its inactive ingredients. Taking this medication under these circumstances could lead to serious health issues. Always prioritize your safety and well-being by following these guidelines.

Side Effects

You should be aware that this product contains acetaminophen, which can lead to severe liver damage if you exceed 4,000 mg in a 24-hour period, take it with other medications containing acetaminophen, or consume three or more alcoholic drinks daily while using it. Additionally, acetaminophen may cause serious skin reactions, including skin reddening, blisters, or rash. If you experience any of these symptoms, stop using the product and seek medical help immediately.

It's important to stop using this product and consult a doctor if your pain worsens or lasts more than 10 days, if your fever worsens or lasts more than 3 days, if you develop new symptoms, or if you notice redness or swelling, as these could indicate a serious condition. If you have liver disease or are taking the blood-thinning medication warfarin, be sure to talk to your doctor before using this product.

Warnings and Precautions

This product contains acetaminophen, which can lead to severe liver damage if you exceed 4,000 mg in a 24-hour period, take it with other medications that also contain acetaminophen, or consume three or more alcoholic drinks daily while using it. It's important to be aware of these limits to protect your liver health.

You should also be cautious of potential severe skin reactions, which may include symptoms like skin reddening, blisters, or rash. If you experience any of these symptoms, stop using the product immediately and seek medical help. Additionally, if your pain worsens or lasts more than 10 days, your fever gets worse or lasts more than 3 days, new symptoms develop, or you notice redness or swelling, stop using the product and consult your doctor, as these could indicate a more serious condition.

Overdose

If you suspect an 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 an overdose.

Be aware that taking more than 4,000 mg of acetaminophen in a 24-hour period can lead to severe liver damage. If you or someone you know has taken too much, don’t wait for symptoms to appear—get help right away.

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 you are considering this medication for your child, it's important to know that children under 12 years old should consult a doctor before use. For those aged 12 and older, the recommended dosage is 2 caplets every 6 hours as needed, but you should not exceed 6 caplets in a 24-hour period unless a doctor advises otherwise.

Additionally, it's crucial to avoid using this medication for more than 10 days unless directed by a healthcare professional. Always prioritize your child's safety by following these guidelines and seeking medical advice when necessary.

Geriatric Use

When it comes to using this medication in older adults, there is no specific information available about dosage adjustments, safety concerns, or special precautions. This means that if you or a loved one is an older adult considering this medication, it’s important to consult with a healthcare provider. They can help determine the best approach based on individual health needs and any other medications being taken. Always prioritize open communication with your healthcare team to ensure safe and effective treatment.

Renal Impairment

If you have kidney problems, it's important to know that the information provided does not include specific guidelines for dosage adjustments, special monitoring, or safety considerations related to renal impairment (kidney issues). This means that there are no tailored recommendations for how your treatment may need to change based on your kidney function.

Always consult your healthcare provider for personalized advice and to ensure that your treatment is safe and effective for your specific condition. They can help determine the best approach for managing your health, especially if you have concerns about your kidneys.

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 can lead to severe liver damage. Additionally, you should avoid using other medications that also contain acetaminophen while taking this product, as this can increase your risk of harm.

If you consume three or more alcoholic drinks each day, you should be especially careful, as this can further increase the risk of liver damage when using acetaminophen. Always consult with your healthcare provider for personalized advice and to ensure your safety while using any medication.

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. Combining these medications can increase the risk of bleeding, which can be serious. Always keep your healthcare provider informed about all the medications you are taking to ensure your safety and the effectiveness of your treatment.

Storage and Handling

To ensure the best performance of your product, store it in a cool, dry place at a temperature between 20-25°C (68-77°F). This range is considered a controlled room temperature, which helps maintain the product's effectiveness. Always check the bottom of the label for the lot number and expiration date to ensure you are using a valid and safe product.

When handling the product, be sure to do so with clean hands and in a clean environment to avoid contamination. Following these guidelines will help you use the product safely and effectively.

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 to ensure it's safe for you and your baby.

FAQ

What is APAP 500mg used for?

APAP 500mg temporarily relieves minor aches and pains due to conditions like the common cold, headache, backache, toothache, muscular aches, and menstrual cramps. It also temporarily reduces fever.

What should adults and children 12 years and over do when taking APAP 500mg?

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

What precautions should I take if I have liver disease?

If you have liver disease, ask a doctor before using APAP 500mg, as it contains acetaminophen, which can cause severe liver damage.

What should I do if I experience a skin reaction while using APAP 500mg?

If you notice symptoms like skin reddening, blisters, or rash, stop using APAP 500mg and seek medical help immediately.

Can I use APAP 500mg if I am pregnant or breastfeeding?

If you are pregnant or breastfeeding, consult a health professional before using APAP 500mg.

What should I do if my pain or fever worsens while using APAP 500mg?

If your pain worsens or lasts more than 10 days, or if your fever worsens or lasts more than 3 days, stop using APAP 500mg and ask a doctor.

Is there a risk of liver damage with APAP 500mg?

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

What should I do if I am taking warfarin?

If you are taking the blood-thinning drug warfarin, consult a doctor or pharmacist before using APAP 500mg.

What should children under 12 do before using APAP 500mg?

Children under 12 years should ask a doctor before using APAP 500mg.

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 drug.

Uses and Indications

This drug is indicated for the temporary relief of minor aches and pains associated with the common cold, headache, backache, minor pain of arthritis, toothache, muscular aches, 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 caplets every 6 hours as needed for symptom relief. The maximum dosage should not exceed 6 caplets within a 24-hour period, unless otherwise directed by a healthcare professional. Additionally, the use of this medication should not extend beyond 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.

Contraindications

Use of this product is contraindicated in the following situations:

Co-administration with any other drug containing acetaminophen, whether prescription or nonprescription, is prohibited 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 should not be used in individuals with a known allergy to acetaminophen or any of the inactive ingredients contained in this 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. Healthcare professionals should advise patients to adhere strictly to the following guidelines to mitigate this risk. Patients must not exceed a maximum dosage of 4,000 mg of acetaminophen within a 24-hour period. Additionally, caution is warranted when this product is used in conjunction with other medications containing acetaminophen, as this can lead to unintentional overdose. Consumption of three or more alcoholic beverages daily while using this product is also contraindicated, as it may further increase the risk of liver damage.

Acetaminophen has been associated with severe skin reactions, which may manifest as skin reddening, blisters, or rash. Healthcare providers should instruct patients to discontinue use immediately and seek medical attention if any of these symptoms occur.

Patients should be advised to stop using this product and consult a healthcare professional if any of the following conditions arise: worsening pain that persists beyond 10 days, fever that worsens or lasts more than 3 days, the emergence of new symptoms, or the presence of redness or swelling. These symptoms may indicate a serious underlying condition that requires further evaluation and intervention.

Side Effects

Patients using this product should be aware of the potential for serious adverse reactions, particularly related to liver health and allergic responses. The product contains acetaminophen, which can lead to severe liver damage if the following conditions are met: 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 drinks daily while using this product.

Additionally, there is an allergy alert associated with acetaminophen, as it may cause severe skin reactions. Symptoms of such reactions can include skin reddening, blisters, and rash. In the event of a skin reaction, patients are advised to discontinue use immediately and seek medical assistance.

Patients should also be instructed to stop using the product and consult a healthcare professional if pain worsens or persists beyond 10 days, if fever intensifies or lasts more than 3 days, if new symptoms arise, or if there is any redness or swelling, as these may indicate a serious underlying condition.

Furthermore, individuals with liver disease should consult a doctor prior to using this product. It is also recommended that patients taking the blood-thinning medication warfarin seek advice from a healthcare provider or pharmacist before use.

Drug Interactions

Patients taking the anticoagulant warfarin should consult a healthcare professional prior to initiating treatment with this medication. The interaction between this drug and warfarin may necessitate careful monitoring of coagulation parameters to ensure therapeutic efficacy and minimize the risk of bleeding complications. Adjustments to the dosage of warfarin may be required based on the clinical judgment of the healthcare provider.

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 caplets every 6 hours as needed, with a maximum of 6 caplets in a 24-hour period, unless otherwise directed by a physician. It is important to note that the medication should not be used for more than 10 days unless specifically instructed by a healthcare provider.

Geriatric Use

Elderly patients may not have specific information regarding the use of this medication, including dosage adjustments, safety concerns, or special precautions. Therefore, healthcare providers should exercise caution when prescribing this medication to geriatric patients. It is advisable to monitor these patients closely for any potential 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. The potential risks and benefits must be carefully considered in these populations to ensure the safety of both the mother and the fetus or infant.

Lactation

Lactating mothers are advised to consult a health professional prior to using this medication. There is currently no available data regarding the excretion of this medication 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 not been specifically addressed in the available prescribing information. There are no dosage adjustments, special monitoring requirements, or safety considerations outlined for individuals with reduced kidney function. Healthcare professionals should exercise caution and consider the lack of data when prescribing to this patient population.

Hepatic Impairment

Patients with hepatic impairment should be closely monitored when using this product, which contains acetaminophen. It is important to note that severe liver damage may occur if patients exceed the recommended dosage of 4,000 mg of acetaminophen in a 24-hour period. Additionally, patients should avoid the concurrent use of other medications containing acetaminophen, as this can further increase the risk of liver injury.

Patients with compromised liver function are also advised to limit alcohol consumption. Specifically, the intake of three or more alcoholic drinks per day while using this product may significantly elevate the risk of severe liver damage. Therefore, careful consideration of liver function and adherence to recommended dosing guidelines is essential to minimize the risk of hepatotoxicity in this patient population. Regular monitoring of liver function tests may be warranted to ensure patient safety.

Overdosage

In the event of an overdose, it is imperative to seek immediate medical assistance or contact a Poison Control Center without delay. Prompt medical intervention is crucial for both adults and children, even in the absence of noticeable signs or symptoms.

Potential Symptoms and Risks

One of the significant risks associated with acetaminophen overdose is the potential for severe liver damage. This risk is particularly pronounced when an individual ingests more than 4,000 mg of acetaminophen within a 24-hour period. Healthcare professionals should be vigilant in monitoring for signs of liver impairment in patients presenting with overdose.

Management Procedures

Upon recognition of an overdose, healthcare providers should initiate appropriate management protocols. This includes assessing the patient's clinical status and considering the administration of activated charcoal if the overdose is identified shortly after ingestion. Continuous monitoring of liver function tests is recommended to evaluate the extent of hepatic injury. In cases of severe toxicity, referral to a specialist in toxicology may be warranted for further management.

Nonclinical Toxicology

No information is available regarding teratogenic or non-teratogenic effects. Additionally, there is no data provided concerning nonclinical toxicology, animal pharmacology, or toxicology.

Postmarketing Experience

Postmarketing experience has identified rare cases of severe skin reactions associated with acetaminophen use. Reported symptoms include skin reddening, blisters, and rash. In the event of a skin reaction, it is advised that the use of acetaminophen be discontinued and medical assistance be sought immediately.

Patient Counseling

Healthcare providers should advise patients to keep this medication out of reach of children to prevent accidental ingestion. Patients should be informed not to use this product in conjunction with any other medications that contain acetaminophen, whether prescription or nonprescription. If patients are uncertain about the presence of acetaminophen in other medications, they should be encouraged to consult with a doctor or pharmacist.

It is crucial to inform patients that they should not use this product if they have a known allergy to acetaminophen or any of the inactive ingredients contained in the formulation. Patients should be instructed to discontinue use and seek medical advice if their pain worsens or persists for more than 10 days, or if their fever worsens or lasts longer than 3 days. Additionally, patients should be advised to stop using the medication and consult a doctor if they experience new symptoms, or if they notice any redness or swelling, as these may indicate a serious condition.

Patients with a history of liver disease should be encouraged to consult a doctor before using this medication. Furthermore, those taking the blood-thinning medication warfarin should be advised to seek guidance from a doctor or pharmacist prior to use.

Storage and Handling

The product is supplied in accordance with the National Drug Code (NDC) specifications. It should be stored at a temperature range of 20-25°C (68-77°F), in compliance with USP Controlled Room Temperature guidelines.

Healthcare professionals are advised to check the bottom of the label for the lot number and expiration date to ensure proper tracking and usage of the product.

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. No further information is available regarding laboratory tests, abuse potential, or postmarketing experiences.

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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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.