Acetaminophen

Description

Acetaminophen Extended-Release Tablets USP contain 650 mg of acetaminophen per tablet and are indicated as a pain reliever and fever reducer. Each bottle contains 100 caplets, which are capsule-shaped tablets designed for extended-release formulation. These tablets provide relief from minor muscle pain for up to 8 hours.

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 the formulation.

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 if they exceed the maximum daily dosage of 6 caplets within a 24-hour period, use other medications containing acetaminophen concurrently, or consume 3 or more alcoholic drinks daily while taking this product.

Patients should be informed 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.

It is essential to consult a healthcare provider prior to use in patients with liver disease. Additionally, patients taking the anticoagulant warfarin should seek advice from a doctor or pharmacist before using this product, as interactions may occur.

In cases of overdose, immediate medical attention is critical. Patients should be instructed to contact a Poison Control Center at 1-800-222-1222 or seek emergency medical help without delay, even if no signs or symptoms are apparent.

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

Side Effects

Patients using this product should be aware of potential adverse reactions associated with its use.

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, there is an allergy alert associated with acetaminophen, which may lead to severe skin reactions. Symptoms of such reactions can include skin reddening, blisters, and rash. If any of these symptoms occur, patients are advised to discontinue use immediately and seek medical assistance.

Patients should also be instructed to stop use 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 new symptoms arise, or if redness or swelling is observed, as these may indicate a serious condition.

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

Drug Interactions

The concomitant use of acetaminophen and warfarin may elevate the risk of bleeding due to potential pharmacodynamic interactions. It is advisable to monitor patients closely for signs of increased bleeding and to consider adjusting the dosage of warfarin as necessary based on the patient's clinical response and INR levels. Regular monitoring of coagulation parameters is recommended to ensure patient safety.

Packaging & NDC

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

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, with a maximum of 6 caplets in a 24-hour period. Treatment 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 available regarding age considerations, dosage adjustments, safety concerns, or special precautions associated with the use of this medication. Therefore, healthcare providers should exercise caution when prescribing this medication to geriatric patients.

It is advisable to monitor elderly patients closely for any potential adverse effects or changes in therapeutic response, given the lack of targeted data for this population. Adjustments to dosage may be necessary based on individual patient factors, including overall health status and the presence of comorbidities.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional prior to using this medication. The safety of this drug during pregnancy has not been established, and potential risks to fetal outcomes are not fully understood. Therefore, it is essential for women of childbearing potential to seek medical advice to weigh the benefits and risks associated with the use of this medication 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 regarding 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 should consult a healthcare professional prior to use, particularly if they have concurrent liver disease. It is essential to assess renal function and consider potential dosing adjustments or monitoring requirements based on the degree of renal impairment. Careful evaluation of the patient's overall health status is recommended to ensure safe and effective use of the medication.

Hepatic Impairment

Patients with hepatic impairment should consult a healthcare professional prior to using this medication. It is essential for individuals with liver disease to receive appropriate guidance, as their liver function may affect the drug's metabolism and overall safety profile. Monitoring of liver function may be necessary to ensure the safe use of this medication in this population.

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 based on the specific substance involved in the overdose. Therefore, a thorough assessment and monitoring of the patient are essential.

Management of an overdose may include supportive care and symptomatic treatment, tailored to the individual’s clinical presentation. Continuous evaluation and appropriate interventions should be initiated as necessary to mitigate potential complications associated with the overdose.

Nonclinical Toxicology

There is currently no available information regarding teratogenic effects. Additionally, no data has been provided concerning non-teratogenic effects. The nonclinical toxicology section does not contain any relevant information at this time. Furthermore, there is no information available related to animal pharmacology and toxicology.

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 at 1-800-222-1222 in the event of an overdose. It is crucial to emphasize that prompt medical attention is necessary 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 other medications, they should be encouraged to consult with a doctor or pharmacist.

It is important to instruct patients to discontinue use and consult a doctor if their pain worsens or persists for more than 10 days. Similarly, they should stop use and seek medical advice if their fever worsens or lasts longer than 3 days, if new symptoms arise, or if they notice any redness or swelling, as these may indicate a serious condition.

Patients with a history of liver disease should be advised to consult a doctor before using this medication. Additionally, those taking the blood-thinning medication warfarin should be encouraged 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 a container that is tamper evident; it should not be used if the imprinted seal is broken or missing. It is essential to store the product at a temperature range of 20 to 25° C (68 to 77° F) and to avoid exposure to excessive heat above 40° C (104° F). For batch number and expiration date, please refer to the end panel of the packaging.

Additional Clinical Information

Patients should be advised that the medication is administered orally. For adults and children aged 12 years and older, the recommended dosage is 2 caplets every 8 hours, taken with water. Caplets should be swallowed whole and not crushed, chewed, split, or dissolved. Patients must not exceed 6 caplets in a 24-hour period and should not use the medication for more than 10 days unless directed by a healthcare professional.

Clinicians should counsel patients to consult a doctor or pharmacist prior to use if they are taking the anticoagulant warfarin. Pregnant or breastfeeding individuals should also seek advice from a health professional before use. It is important to keep the medication out of reach of children. In the event of an overdose, patients should seek immediate medical assistance or contact a Poison Control Center at 1-800-222-1222, as prompt medical attention is crucial for both adults and children, even if no 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)