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Acetaminophen

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Active ingredient
Acetaminophen 500 mg
Other brand names
Dosage form
Tablet, Coated
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2020
Label revision date
September 11, 2025
Active ingredient
Acetaminophen 500 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 2020
Label revision date
September 11, 2025
Manufacturer
Rugby Laboratories
Registration number
M013
NDC root
0536-1292

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Drug Overview

Rugby® is an extra strength pain reliever and fever reducer that contains 500 mg of acetaminophen (a common medication used to alleviate pain and reduce fever). It is designed to temporarily relieve minor aches and pains associated with various conditions, including headaches, the common cold, backaches, toothaches, muscular aches, and menstrual cramps. Additionally, Rugby® helps to lower fever, making it a versatile option for managing discomfort and illness.

This product does not contain aspirin, making it suitable for individuals who may need to avoid that ingredient. With its effective formulation, Rugby® can be a helpful choice for those seeking relief from everyday aches and pains.

Uses

You can use this medication to temporarily relieve minor aches and pains caused by various conditions, including headaches, the common cold, backaches, toothaches, and muscular aches. It is also effective for easing minor pain from arthritis and alleviating premenstrual and menstrual cramps. Additionally, this medication can help reduce fever temporarily, providing you with some comfort when you're not feeling well.

Dosage and Administration

It's important to follow the dosage instructions carefully to ensure your safety and effectiveness of the medication. If you are an adult or a child aged 12 years and older, you should take 2 gelcaps every 6 hours as long as you have symptoms. However, make sure not to exceed 6 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 the medication exactly as directed to avoid any potential risks.

What to Avoid

It's important to be cautious when using this medication. You should not use it alongside any other drug that contains acetaminophen, whether it's a prescription or over-the-counter medication. If you're unsure whether a medication contains acetaminophen, please consult with your doctor or pharmacist for guidance.

Additionally, be aware that this medication is classified as a controlled substance, which means it has the potential for abuse or misuse. This can lead to dependence (a condition where your body becomes reliant on a substance). Always follow your healthcare provider's instructions carefully to avoid any risks associated with misuse.

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 blisters, rash, or skin reddening. If you notice 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, or if you experience redness or swelling. You should also seek medical advice before using this product if you have liver disease or are taking the blood-thinning medication warfarin.

Warnings and Precautions

This product contains acetaminophen, which can lead to severe liver damage if you take more than 4,000 mg in a 24-hour period, use it alongside other medications containing acetaminophen, or consume three or more alcoholic drinks daily while using it. Additionally, be aware that acetaminophen may cause serious skin reactions, such as blisters, rash, or skin reddening. 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. If you suspect an overdose, it’s crucial to get emergency medical help or contact a Poison Control Center right away, even if you don’t notice any symptoms. You should also stop taking the medication and call your doctor if your pain worsens or lasts more than 10 days, if your fever worsens or lasts more than 3 days, if you notice any redness or swelling, or if you develop any new symptoms.

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.

Signs of an overdose can vary, but they may include unusual drowsiness, confusion, or difficulty breathing. Remember, acting quickly can make a significant difference, so don’t hesitate to get help.

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 using this medication for your child, it's important to consult a doctor first if your child is under 12 years old. For children aged 12 and older, the recommended dosage is 2 gelcaps every 6 hours as needed, but they should not exceed 6 gelcaps in a 24-hour period unless a doctor advises otherwise. Additionally, it’s crucial not to use this medication for more than 10 days without a doctor's guidance.

In the event of an 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 immediate signs or symptoms of overdose.

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, especially regarding any changes in health or concerns about side effects. Your safety and well-being are paramount, so don’t hesitate to ask questions or seek guidance tailored to your unique situation.

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 may affect you 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 monitor your kidney function and make any necessary adjustments to your treatment plan.

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 with your doctor 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 keep your healthcare provider informed about all the medications you are taking to ensure your safety and the effectiveness of your treatments.

Storage and Handling

To ensure the best performance of your product, store it at a temperature of 25°C (77°F). It can safely be kept in a range between 15°C and 30°C (59°F to 86°F), but try to avoid exposing it to high humidity, as this can affect its quality.

Always check the end flap for the expiration date and lot number to ensure you are using a product that is still safe and effective. Proper storage and handling are key to maintaining the integrity of the device.

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 it. In the event of an 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 Rugby®?

Rugby® is an extra strength acetaminophen product that contains 500 mg of acetaminophen, serving as a pain reliever and fever reducer.

What types of pain does Rugby® relieve?

Rugby® temporarily relieves minor aches and pains due to headaches, the common cold, backaches, arthritis, toothaches, muscular aches, and menstrual cramps.

How should I take Rugby®?

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

Are there any warnings associated with Rugby®?

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

What should I do in case of an overdose?

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

Can I use Rugby® if I am pregnant or breastfeeding?

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

What should I do if I experience a skin reaction?

If you experience severe skin reactions such as blisters, rash, or skin reddening, stop using Rugby® and seek medical help right away.

Is Rugby® safe for children under 12 years?

Children under 12 years should ask a doctor before using Rugby®.

Where should I store Rugby®?

Store Rugby® at 25°C (77°F), with permitted excursions between 15°-30°C (59°-86°F), and avoid high humidity.

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, minor pain from 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 older are instructed to take 2 gelcaps every 6 hours as needed while symptoms persist. The maximum dosage should not exceed 6 gelcaps within a 24-hour period, unless otherwise directed by a healthcare professional. Additionally, the duration of use should not exceed 10 days unless 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 patients who are concurrently taking any other medication that contains acetaminophen, whether prescription or nonprescription. The combination may lead to an increased risk of acetaminophen-related hepatotoxicity. If there is uncertainty regarding the acetaminophen content of a medication, consultation with a healthcare professional is advised.

Warnings and Precautions

Severe liver damage may occur with the use of this product, which contains acetaminophen. Healthcare professionals should advise patients that the risk of liver injury increases significantly if they exceed 4,000 mg of acetaminophen within a 24-hour period, use other medications containing acetaminophen concurrently, or consume three or more alcoholic beverages daily while taking this product.

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

It is essential for patients to consult a healthcare provider prior to using this product if they have a history of liver disease. Additionally, patients taking the anticoagulant warfarin should seek advice from a doctor or pharmacist before use, as potential interactions may occur.

In cases of overdose, immediate medical attention is crucial. Patients should be advised to contact a Poison Control Center or seek emergency medical help without delay, regardless of the presence of symptoms, as prompt intervention is vital for both adults and children.

Patients should also be instructed to stop taking the product and consult 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, redness or swelling is observed, or any new symptoms develop.

Side Effects

Patients using this product should be aware of potential adverse reactions associated with acetaminophen. A significant warning pertains to the risk of severe liver damage, which may occur if patients 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.

Additionally, there is an allergy alert indicating that acetaminophen may lead to severe skin reactions. Symptoms of such reactions can include blisters, rash, and skin reddening. 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 for more than 10 days, if fever intensifies or lasts longer than 3 days, if redness or swelling occurs, or if any new symptoms develop.

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

Drug Interactions

Acetaminophen may interact with the anticoagulant warfarin. Co-administration of these agents should be approached with caution. 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. Monitoring of INR (International Normalized Ratio) levels may be warranted to ensure therapeutic efficacy and safety.

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 6 hours as needed, with a maximum of 6 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 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 in the absence of noticeable signs or symptoms.

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 weighed, as the effects on fetal outcomes and lactation are not fully established. It is essential for women of childbearing potential to seek medical advice to ensure safe use during pregnancy and lactation.

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 of other medications containing acetaminophen should be avoided to prevent unintentional overdose.

  • Consumption of three or more alcoholic drinks daily while using this product is contraindicated, as it may significantly increase the risk of liver damage.

Additionally, patients with known 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 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, regardless of whether any signs or symptoms are apparent.

Healthcare professionals are advised to remain vigilant, as the absence of symptoms does not preclude the possibility of serious complications. Early recognition and management of an overdose can significantly influence patient outcomes. Therefore, it is essential to ensure that patients and caregivers are aware of the importance of timely medical evaluation in cases of suspected 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

Postmarketing experience has identified that acetaminophen may be associated with severe skin reactions. Reports indicate that symptoms can include blisters, rash, and skin reddening. 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 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 drug that contains acetaminophen, whether prescription or nonprescription. If patients are uncertain about the presence of acetaminophen in their medications, they should be encouraged to consult with a doctor or pharmacist for clarification.

Healthcare providers should instruct patients to discontinue use and consult a doctor if their pain worsens or persists for more than 10 days. Similarly, patients should be advised to stop using the medication and seek medical advice if their fever worsens or lasts longer than 3 days. They should also be informed to stop use and consult a doctor if they notice any redness or swelling, or if any new symptoms arise.

It is important for healthcare providers to remind patients to consult a doctor before using this medication if they have a history of liver disease. Additionally, patients 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 configurations that include specific NDC numbers, which can be found on the packaging. It should be stored at a controlled room temperature of 25°C (77°F), with permissible excursions between 15°C and 30°C (59°F and 86°F). Care should be taken to avoid exposure to high humidity during storage. For additional information regarding the expiration date and lot number, please refer to the end flap of the packaging.

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 overdose, it is crucial for patients to seek immediate medical assistance or contact a Poison Control Center, as prompt intervention is essential for both adults and children, even in the absence of noticeable symptoms.

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.