Acetaminophen

Description

Acetaminophen is a non-opioid analgesic and antipyretic agent, available in a dosage form of 500 mg per tablet. It is provided in packaging options of 24 count cartons and bottles, ensuring convenient access for healthcare providers and patients.

Uses and Indications

This drug is indicated for the temporary relief of minor aches and pains associated with various conditions, including headache, muscular aches, backache, minor pain of arthritis, the common cold, toothache, 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 over are instructed to take 2 caplets orally 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 use of this medication should not extend beyond 10 days unless specifically advised by a doctor.

For children under 12 years of age, it is recommended to consult a healthcare professional for appropriate dosing guidance.

It is imperative that patients adhere to the prescribed dosage and administration guidelines to avoid the risk of overdose.

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 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. Symptoms indicative of such reactions include skin reddening, blisters, and rash. Should any of these symptoms manifest, 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 interactions may occur.

In the event of an overdose, immediate medical attention is crucial. Patients should be directed to contact a Poison Control Center at 1-800-222-1222 or seek emergency medical help without delay, regardless of the presence of symptoms.

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

Side Effects

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

Severe liver damage may occur if patients exceed a dosage of 4,000 mg of acetaminophen within a 24-hour period, use this product in conjunction with other medications containing acetaminophen, or consume three 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. In the event of a skin reaction, patients are advised to discontinue use immediately and seek medical assistance.

Patients should also be vigilant for other signs that may indicate a serious condition. They are instructed to stop use and consult a healthcare professional 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.

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 doctor or pharmacist before use to avoid potential interactions.

Drug Interactions

Patients taking the anticoagulant warfarin should consult with a healthcare professional prior to using this medication. The interaction between this drug and warfarin may necessitate careful monitoring of coagulation parameters to avoid potential adverse effects related to increased bleeding risk. Adjustments to the dosage of either medication may be required based on clinical judgment and patient response.

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, with a maximum of 6 caplets in a 24-hour period, unless otherwise directed by a physician. Treatment should not exceed 10 days without medical advice.

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

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. It is advisable to monitor these patients closely for any adverse effects or changes in efficacy.

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 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 due to the potential risk of severe liver damage associated with the use of this product, which contains acetaminophen. It is critical that patients do not exceed a maximum dosage of 4,000 mg of acetaminophen within a 24-hour period. Additionally, patients must avoid the concurrent use of other medications that contain acetaminophen to mitigate the risk of hepatotoxicity.

Furthermore, patients with compromised liver function should be advised against the consumption of three or more alcoholic drinks daily while using this product, as this may significantly increase the likelihood of liver injury. Regular assessment of liver function may be warranted in these patients to ensure safety and efficacy during treatment.

Overdosage

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

Risk of Severe Liver Damage Administration of acetaminophen in excess of 4,000 mg within a 24-hour period poses a substantial risk of severe liver damage. Healthcare professionals should be vigilant in assessing the total daily intake of acetaminophen, particularly in patients who may be using multiple products containing this active ingredient.

Additionally, the concomitant use of acetaminophen with other medications that also contain acetaminophen can exacerbate the risk of liver injury. It is crucial for healthcare providers to review all medications a patient is taking to prevent unintentional overdose.

Alcohol Consumption Considerations Patients who consume three or more alcoholic beverages daily while using acetaminophen are at an increased risk for severe liver damage. Healthcare professionals should counsel patients regarding the dangers of combining alcohol with acetaminophen and consider alternative pain management strategies for those with a history of alcohol use.

Recommended Actions In the event of suspected overdosage, immediate medical evaluation is warranted. Healthcare providers should initiate appropriate management protocols, which may include monitoring liver function tests and considering the administration of N-acetylcysteine as an antidote in cases of significant overdose. Prompt recognition and intervention are critical to mitigate the potential for severe hepatic injury.

Nonclinical Toxicology

If pregnant or breastfeeding, it is advised to consult a health professional prior to use. Acetaminophen has been associated with severe skin reactions, which may manifest as skin reddening, blisters, or rash. In the event of a skin reaction, it is imperative to discontinue use and seek medical assistance immediately.

No specific information regarding nonclinical toxicology or animal pharmacology and toxicology is available in the insert.

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. In the event of an overdose, it is crucial for patients to seek medical help immediately or contact a Poison Control Center at 1-800-222-1222, as prompt medical attention is essential 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, if their fever intensifies or lasts longer than 3 days, if they experience new symptoms, 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 various package configurations, with specific NDC numbers available for identification. It is essential to store the product at a controlled temperature range of 20-25°C (68-77°F) to maintain its integrity and efficacy. Proper storage conditions must be adhered to, ensuring that the product is kept within the specified temperature limits to prevent degradation.

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. No additional information is available regarding laboratory tests, abuse potential, or postmarketing experience.

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)