Acetaminophen

Description

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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 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 older are advised to take 2 caplets (1,000 mg) orally every 6 hours as needed for symptom relief. The maximum allowable dosage is 6 caplets (3,000 mg) within a 24-hour period, unless otherwise directed by a healthcare professional. Treatment should not exceed 10 days unless specifically instructed by a physician.

For children under 12 years of age, consultation with a healthcare provider is recommended prior to administration.

Contraindications

Use of this product is contraindicated in the following situations:

• Co-administration with any other drug containing acetaminophen (either 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.

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

• The product is contraindicated for use beyond 10 days for pain management unless specifically directed by a healthcare provider, to mitigate the risk of potential adverse effects.

• Use for fever is limited to a maximum of 3 days unless otherwise directed by a healthcare professional, to prevent complications associated with prolonged use.

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 the maximum daily dosage of 8 caplets within a 24-hour period, combine this product with other medications containing acetaminophen, or consume three or more alcoholic beverages daily while using this product.

Acetaminophen is also associated with the potential for severe skin reactions. Symptoms indicative of such reactions may include skin reddening, blisters, or rash. In the event of any skin reaction, patients should be instructed to discontinue use immediately and seek medical assistance.

Healthcare providers should recommend that patients consult a physician prior to using this product if they have a history of liver disease. Additionally, it is prudent to advise patients to speak with a doctor or pharmacist before use if they are concurrently taking the anticoagulant warfarin, as interactions may occur.

In cases of accidental overdose, it is imperative to seek emergency medical help or contact a Poison Control Center (1-800-222-1222) without delay. Prompt medical intervention is crucial for both adults and children, even in the absence of noticeable signs or symptoms.

Patients should be advised to discontinue use and consult a healthcare professional if symptoms do not improve, if new symptoms arise, or if pain or fever persists or worsens.

Side Effects

Severe liver damage may occur in patients taking this product containing acetaminophen if they exceed the maximum daily amount of 8 caplets within a 24-hour period, use other medications containing acetaminophen concurrently, or consume 3 or more alcoholic drinks daily while using this product.

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

Drug Interactions

Acetaminophen has notable interactions that may affect patient safety and treatment efficacy.

Pharmacodynamic Interactions

Acetaminophen may enhance the anticoagulant effect of warfarin, leading to an increased risk of bleeding. It is advisable to monitor patients closely for signs of bleeding and to consider adjusting the warfarin dosage as necessary.

Concurrent use of acetaminophen with alcohol can elevate the risk of liver damage. Patients should be counseled to limit alcohol consumption while taking acetaminophen to mitigate this risk.

Pharmacokinetic Interactions

Acetaminophen may interfere with the accuracy of certain laboratory tests, specifically blood glucose and uric acid tests. Healthcare providers should be aware of this potential interference when interpreting test results and may need to consider alternative testing methods or timing of tests in relation to acetaminophen administration.

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 consult a healthcare professional before use. It is important to assess the appropriateness of treatment and dosage for this age group, as specific recommendations may vary based on individual health needs and conditions.

Geriatric Use

There is no specific information 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 they may have altered pharmacokinetics and pharmacodynamics. Close monitoring is recommended to ensure safety and efficacy in 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

There are no specific statements regarding the use of this medication in nursing mothers or its effects on lactation. Additionally, there is no available data on the excretion of this medication in breast milk or its potential effects on breastfed infants. Healthcare professionals should consider the absence of information when advising lactating mothers about the use of this medication.

Renal Impairment

Patients with renal impairment have not been specifically addressed in the available data regarding dosage adjustments, special monitoring, or safety considerations. Therefore, healthcare professionals should exercise caution when prescribing this medication to patients with reduced kidney function, as the lack of information necessitates careful clinical judgment and monitoring.

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 maximum daily dosage of 8 caplets within a 24-hour period. Additionally, patients should avoid concomitant use with other medications that contain 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 3 or more alcoholic drinks per day while using this product may significantly heighten the risk of liver damage. Therefore, careful consideration of liver function and adherence to recommended dosage guidelines is essential for patients with hepatic impairment to minimize the risk of adverse effects.

Overdosage

In cases of overdosage, significant health risks are associated with the consumption of this product.

Risk of Severe Liver Damage Taking more than 8 caplets within a 24-hour period, which is the maximum recommended daily dosage, can lead to severe liver damage. Healthcare professionals should be vigilant in assessing patients who may have exceeded this limit.

Additionally, the concomitant use of this product with other medications containing acetaminophen poses a further risk of severe liver damage. It is crucial for healthcare providers to inquire about all medications a patient is taking to prevent potential interactions that could exacerbate liver toxicity.

Alcohol Consumption Patients who consume three or more alcoholic drinks daily while using this product are also at an increased risk for severe liver damage. Healthcare professionals should advise patients on the dangers of alcohol consumption during treatment and consider this factor when evaluating a patient's overall risk profile.

In the event of suspected overdosage, immediate medical attention is warranted. Monitoring liver function and providing supportive care are essential components of management.

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 these contexts.

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. It is essential to emphasize the importance of seeking immediate medical assistance in the event of an accidental overdose. Patients should be informed to contact a Poison Control Center at 1-800-222-1222 or seek medical help right away, regardless of whether they observe any signs or symptoms. Prompt medical attention is critical for both adults and children in such situations.

Storage and Handling

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

Healthcare professionals are advised to adhere to the expiration date indicated on the package to ensure product efficacy and safety. Proper storage conditions are essential to maintain the integrity of the product throughout its shelf life.

Additional Clinical Information

No further data are available.

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)