Acetaminophen

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 older 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 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 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 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.

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.

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 crucial to advise 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 guidance from a doctor or pharmacist before use, as there may be interactions that require monitoring.

Patients should be instructed to discontinue use and contact their healthcare provider if they experience any of the following: 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 necessitates further evaluation.

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 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. It is crucial for patients to monitor their intake and consult a healthcare professional if they have a history of liver disease.

Additionally, acetaminophen may cause severe skin reactions, which can manifest as skin reddening, blisters, or rash. Should any of these symptoms occur, patients are advised to discontinue use immediately and seek medical assistance.

In the event of an overdose, it is imperative to obtain medical help or contact a Poison Control Center without delay, as prompt medical attention is essential for both adults and children, even in the absence of noticeable symptoms.

Patients should also be instructed to stop use and consult a doctor 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.

Furthermore, patients taking the blood-thinning medication warfarin should consult a doctor or pharmacist before using this product to avoid potential interactions.

Drug Interactions

Acetaminophen has been shown to enhance the anticoagulant effects of warfarin, which may result in an elevated risk of bleeding. It is recommended that the International Normalized Ratio (INR) be monitored closely in patients who are receiving both acetaminophen and warfarin concurrently to ensure safe therapeutic levels and to mitigate the risk of adverse effects.

No additional drug interactions or laboratory test interactions have been identified.

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. For adolescents aged 12 years and older, the recommended dosage is 2 caplets every 6 hours as needed for symptom relief. It is important not to exceed 6 caplets in a 24-hour period unless directed by a healthcare provider. Additionally, treatment should not extend beyond 10 days without medical advice.

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 individual responses may vary. Monitoring for potential adverse effects and therapeutic efficacy is recommended in this population.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional prior to using this medication. It is essential to evaluate the potential risks and benefits associated with the use of this drug during pregnancy and lactation. Healthcare providers should consider the available data and individual patient circumstances when advising on the use of this medication in these populations.

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 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 the total daily dose of acetaminophen exceeds 4,000 mg. Additionally, the risk of liver damage increases if patients take other medications containing acetaminophen or consume three or more alcoholic drinks daily while using this product.

Due to these risks, patients with compromised liver function should be advised to limit their intake of acetaminophen and to consult with a healthcare professional before using this product. Regular assessment of liver function may be warranted in these patients to ensure safety and prevent potential adverse effects.

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.

Potential Symptoms and Risks An overdose of acetaminophen can lead to severe liver damage, particularly when the dosage exceeds 4,000 mg within a 24-hour period. Healthcare professionals should be vigilant in monitoring for signs of liver injury, which may not manifest immediately.

Management Procedures Upon suspicion of an overdose, healthcare providers should initiate appropriate management protocols. This may include the administration of activated charcoal if the patient presents within a suitable timeframe, as well as the consideration of N-acetylcysteine (NAC) as an antidote to mitigate liver damage. Continuous assessment and supportive care are essential in managing the patient's condition effectively.

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

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 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 whether a drug contains acetaminophen, they should be encouraged to consult with a doctor or pharmacist.

It is essential to inform patients that they should not use this medication if they have a known allergy to acetaminophen or any of the inactive ingredients present in the product. 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 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 upon request. It should be stored at a temperature range of 20-25°C (68-77°F), with permissible excursions between 15-30°C (59-86°F). It is essential to adhere to the expiration date indicated on the package to ensure product efficacy and safety. Proper handling and storage conditions must be maintained to preserve the integrity of the product.

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)