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8hr Muscle Aches and Pain Relief

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Active ingredient
Acetaminophen 650 mg
Other brand names
Dosage form
Tablet, Extended Release
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2025
Label revision date
June 3, 2025
Active ingredient
Acetaminophen 650 mg
Other brand names
Dosage form
Tablet, Extended Release
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 2025
Label revision date
June 3, 2025
Manufacturer
LEADER/ Cardinal Health 110, Inc.
Registration number
ANDA215486
NDC root
70000-0734

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Drug Overview

This medication is designed to temporarily relieve minor aches and pains, such as those caused by muscular aches, backaches, arthritis, toothaches, and menstrual cramps. It can also help alleviate headaches and discomfort associated with the common cold. Additionally, this drug is effective in temporarily reducing fever, making it a versatile option for managing various mild pain and fever symptoms.

Uses

You can use this medication to temporarily relieve minor aches and pains caused by various conditions, including muscular aches, backaches, arthritis pain, toothaches, and cramps associated with menstruation. It can also help alleviate headaches and discomfort from the common cold. 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

If you are an adult or a child aged 12 years and older, you should take 2 caplets every 8 hours with a full glass of water. It's important to swallow the caplets whole, so avoid crushing, chewing, splitting, or dissolving them. Make sure not to exceed 6 caplets in a 24-hour period, and do not use this medication for more than 10 days unless your doctor advises you to do so.

For children under 12 years old, this medication is not recommended. Always follow the guidelines provided and consult with a healthcare professional if you have any questions or concerns about using this medication.

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

You should be aware that this product contains acetaminophen, which can lead to severe liver damage if you exceed the maximum daily limit of 6 caplets, take it with other acetaminophen-containing medications, or consume 3 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.

If you suspect an overdose, it's crucial to get medical assistance right away, even if you don't notice any symptoms. You should also consult a doctor if your pain worsens or lasts more than 10 days, if your fever persists for more than 3 days, or if you notice new symptoms, redness, or swelling, as these could indicate a serious condition. If you have liver disease or are taking the blood thinner warfarin, please talk to your doctor or pharmacist before using this product.

Warnings and Precautions

This product contains acetaminophen, which can lead to severe liver damage if you exceed 6 caplets in 24 hours, take it with other acetaminophen-containing medications, or consume 3 or more alcoholic drinks daily while using it. Additionally, be aware that acetaminophen may cause serious skin reactions, such as skin reddening, blisters, or rashes. If you experience any of these symptoms, stop using the product and seek medical help immediately.

Before using this medication, consult your doctor if you have liver disease or are taking the blood thinner warfarin. You should also stop taking the product and contact your 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 any redness or swelling, as these could indicate a serious condition.

Overdose

If you suspect an overdose, it’s important to seek medical help immediately or contact a Poison Control Center at 1-800-222-1222. Quick action is crucial for both adults and children, even if you don’t see any signs or symptoms of an overdose.

Signs of an overdose can vary, but they may include unusual drowsiness, confusion, or difficulty breathing. If you notice any of these symptoms, don’t hesitate to get help right away. Remember, it’s always better to be safe and get checked by a medical professional.

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 it should not be used in children under 12 years old. For those aged 12 and older, the recommended dosage is 2 caplets every 8 hours, taken with water. Make sure they swallow the caplets whole—do not crush, chew, split, or dissolve them. It's crucial not to exceed 6 caplets in a 24-hour period and to avoid using the medication for more than 10 days unless a doctor advises otherwise.

Additionally, be aware that if an overdose occurs, seeking quick medical attention is essential for both adults and children, even if there are no immediate signs or symptoms. Always prioritize safety and consult with a healthcare professional if you have any concerns.

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.

Since there are no dosage adjustments or special precautions mentioned for elderly patients, your healthcare provider will be the best resource for personalized advice. Always keep them informed about any other medications or health issues to help manage your care effectively.

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 plan is safe and effective for your specific situation. They can help monitor your kidney health and make any necessary adjustments to your medications.

Hepatic Impairment

If you have liver problems, it's important to be cautious when using this product, as it contains acetaminophen. Taking more than 6 caplets in a 24-hour period can lead to severe liver damage, which is the maximum daily amount recommended. Additionally, combining this product with other medications that also contain acetaminophen can increase the risk of liver damage.

You should also be aware that consuming 3 or more alcoholic drinks each day while using this product can further heighten the risk of severe liver damage. Always consult with your healthcare provider for personalized advice and to ensure your safety when using medications.

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, so your healthcare provider can help ensure your safety.

Additionally, you should avoid using this medication alongside any other products that contain acetaminophen, whether they are prescription or over-the-counter. If you're unsure whether a medication contains acetaminophen, don't hesitate to ask your doctor or pharmacist for clarification. Always keep open communication with your healthcare team to manage your medications safely.

Storage and Handling

To ensure the best performance of your product, store it in a cool, dry place at a temperature between 20-25ºC (68-77ºF). This temperature range helps maintain the product's effectiveness and safety.

When handling the product, be sure to do so with clean hands and in a sterile field (a clean area free from germs) to prevent contamination. Always follow any specific disposal instructions provided to ensure safe and responsible disposal of any components.

Additional Information

No further information is available.

FAQ

What is this drug used for?

This drug temporarily relieves minor aches and pains due to muscular aches, backache, arthritis, toothache, menstrual cramps, headache, and the common cold. It also temporarily reduces fever.

What should I do if I experience a skin reaction?

If you notice symptoms like skin reddening, blisters, or rash, stop using the product and seek medical help immediately.

What are the dosage instructions for adults and children 12 years and over?

You should take 2 caplets every 8 hours with water, swallowing them whole. Do not exceed 6 caplets in 24 hours or use for more than 10 days unless directed by a doctor.

Are there any contraindications for this drug?

Do not use this drug with any other product containing acetaminophen or if you are allergic to acetaminophen or any inactive ingredients in this product.

What should I do in case of an overdose?

In case of overdose, seek medical help or contact a Poison Control Center immediately, as quick medical attention is critical.

Can I use this drug if I am pregnant or breastfeeding?

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

What should I do if my pain or fever worsens?

Stop using the product and consult a doctor if your pain lasts more than 10 days or your fever lasts more than 3 days, or if new symptoms occur.

What are the storage instructions for this drug?

Store the product between 20-25ºC (68-77ºF).

Packaging Info

Below are the non-prescription pack sizes of 8hr Muscle Aches and Pain Relief (acetaminophen). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for 8hr Muscle Aches and Pain Relief.
Details

Drug Information (PDF)

This file contains official product information for 8hr Muscle Aches and Pain Relief, including active ingredients, dosage, warnings, and labeling as submitted by the manufacturer for OTC distribution.

View product document (PDF)

Description

No specific information related to the Description section for SPL code 34089-3 is provided in the text.

Uses and Indications

This drug is indicated for the temporary relief of minor aches and pains associated with various conditions, including muscular aches, backache, minor pain of arthritis, toothache, premenstrual and menstrual cramps, headache, and discomfort related to the common cold. 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 8 hours with water. The caplets should be swallowed whole and must not be crushed, chewed, split, or dissolved. The maximum dosage should not exceed 6 caplets within a 24-hour period. Additionally, the use of this medication should not extend beyond 10 days unless directed by a healthcare professional.

For children under 12 years of age, the use of this medication is not recommended.

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. If there is uncertainty regarding the presence of acetaminophen in another medication, consultation with a healthcare professional is advised.

  • This product should not be used in individuals with a known allergy to acetaminophen or any of the inactive ingredients contained in this formulation.

Warnings and Precautions

This product contains acetaminophen, which carries a significant risk of severe liver damage under certain conditions. Healthcare professionals should advise patients that the maximum daily dosage is limited to 6 caplets within a 24-hour period. Patients must be cautioned against concurrent use with other medications containing acetaminophen, as this can exacerbate the risk of liver injury. Additionally, consumption of three or more alcoholic beverages daily while using this product may further increase the likelihood of liver damage.

Acetaminophen may also induce severe skin reactions, which can manifest as skin reddening, blisters, or rash. In the event of any skin reaction, patients should be instructed to discontinue use immediately and seek medical assistance.

General precautions should be taken into account prior to use. Patients with a history of liver disease should consult a healthcare provider before starting this medication. Furthermore, individuals taking the anticoagulant warfarin should seek advice from a doctor or pharmacist before use, as potential interactions may occur.

Patients are advised to stop taking the product and contact a healthcare professional if any of the following occur: pain worsens or persists for more than 10 days, fever intensifies or lasts longer than 3 days, new symptoms develop, or if redness or swelling is observed. These symptoms may indicate a serious underlying condition that requires medical evaluation.

In cases of skin reactions, immediate cessation of the product is essential, and patients should seek emergency medical help without delay.

Side Effects

Patients using this product should be aware of potential adverse reactions, particularly those related to liver health and allergic responses.

Severe liver damage may occur if patients exceed the maximum daily dosage of 6 caplets within a 24-hour period, take this product in conjunction with other medications containing acetaminophen, or consume 3 or more alcoholic drinks daily while using this product.

Additionally, acetaminophen may cause severe skin reactions, which can manifest as skin reddening, blisters, or rash. In the event of a skin reaction, patients are advised to discontinue use immediately and seek medical assistance.

In cases of overdose, it is crucial for patients to obtain medical help or contact a Poison Control Center promptly, as rapid medical attention is essential for both adults and children, even if no signs or symptoms are initially apparent.

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

Before using this product, patients with liver disease should consult a healthcare professional. Furthermore, individuals taking the blood-thinning medication warfarin should seek advice from a doctor or pharmacist prior to use.

Drug Interactions

Patients should consult a healthcare professional prior to using this medication if they are concurrently taking warfarin, a blood-thinning agent. The combination may increase the risk of bleeding due to potential pharmacodynamic interactions.

Additionally, this medication should not be used in conjunction with any other products containing acetaminophen, whether prescription or over-the-counter. Co-administration may lead to an increased risk of acetaminophen-related hepatotoxicity. If there is uncertainty regarding the presence of acetaminophen in other medications, patients are advised to seek guidance from a healthcare provider.

Packaging & NDC

Below are the non-prescription pack sizes of 8hr Muscle Aches and Pain Relief (acetaminophen). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for 8hr Muscle Aches and Pain Relief.
Details

Pediatric Use

Pediatric patients under 12 years of age should not use this medication. For adolescents aged 12 years and older, the recommended dosage is 2 caplets every 8 hours with water, to be swallowed whole without crushing, chewing, splitting, or dissolving. The maximum allowable dosage is 6 caplets within a 24-hour period, and use should not exceed 10 days unless directed by a healthcare professional.

In the event of an overdose, prompt medical attention is essential for both adults and pediatric patients, even if no signs or symptoms are immediately apparent.

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 adverse effects or changes in therapeutic response, 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 no specific data available regarding the excretion of this medication in 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 critical to adhere to the maximum daily dosage of 6 caplets, as exceeding this limit may result in severe liver damage.

Additionally, patients must be cautioned against the concurrent use of this product with other medications containing acetaminophen, as this combination can also lead to severe liver damage.

Furthermore, patients who consume three or more alcoholic drinks daily should exercise extreme caution, as the risk of severe liver damage is significantly increased when using this product in conjunction with alcohol. Regular assessment of liver function may be warranted in these patients to ensure safety and mitigate potential risks.

Overdosage

In the event of an overdose, it is imperative to seek immediate medical assistance or contact a Poison Control Center at 1-800-222-1222. Prompt medical intervention is crucial for both adults and children, even in the absence of noticeable signs or symptoms.

Healthcare professionals should be aware that the severity of symptoms may vary, and early recognition and management are essential to mitigate potential complications. It is recommended that healthcare providers remain vigilant and prepared to initiate appropriate treatment protocols based on the specific circumstances of the overdose.

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 use of the compound in question.

Postmarketing Experience

No postmarketing experience details are available in the insert text.

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 their 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 included 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 intensifies or lasts longer than 3 days. Additionally, patients should be advised to stop using the medication and consult a healthcare professional if they experience new symptoms, or if they notice any redness or swelling, as these may indicate a serious condition.

Patients with 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 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 temperature range of 20-25ºC (68-77ºF) to maintain its efficacy and stability. Proper storage conditions must be adhered to, ensuring that the product is kept within the specified temperature limits to prevent degradation.

Additional Clinical Information

No further data are available.

Drug Information (PDF)

This file contains official product information for 8hr Muscle Aches and Pain Relief, 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 8hr Muscle Aches and Pain Relief, 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.