Acetaminophen

Description

Acetaminophen is presented in a dosage form of 325 mg per tablet. Each bottle contains 100 film-coated tablets, designed for oral administration. The film coating aids in swallowing and may enhance the stability of the active ingredient.

Uses and Indications

This drug is indicated for the reduction of fever and the temporary relief of minor aches and pains associated with various conditions. These conditions include headache, muscular aches, backache, minor pain from arthritis, the common cold, toothache, and premenstrual and menstrual cramps.

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 tablets every 4 to 6 hours as needed while symptoms persist. The maximum dosage should not exceed 10 tablets within a 24-hour period. Continuous use beyond 10 days is not recommended unless directed by a healthcare professional.

For children aged 6 years to under 12 years, the recommended dosage is 1 tablet every 4 to 6 hours while symptoms last. The total daily intake should not surpass 5 tablets, and use should not extend beyond 5 days unless specifically instructed by a physician.

For children under 6 years of age, it is essential to consult a doctor before administration.

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 be aware of the following critical warnings regarding its use:

Liver Warning Adults should not exceed 10 tablets in a 24-hour period, as this is the maximum daily dosage. For children, the maximum is 5 tablets within the same timeframe. Caution is advised when this product is taken in conjunction with other medications containing acetaminophen. Additionally, adults who consume three or more alcoholic drinks daily while using this product are at increased risk for severe liver damage.

General Precautions It is essential to consult a healthcare provider prior to use if the patient has a history of liver disease. Furthermore, individuals taking the anticoagulant warfarin should seek advice from a doctor or pharmacist before using this product, as interactions may occur.

Emergency Medical Help In the event of an overdose, immediate medical assistance should be sought, or the Poison Control Center should be contacted at 1-800-222-1222. Prompt medical attention is crucial for both adults and children, even if no signs or symptoms are initially apparent.

Discontinuation and Consultation Patients should discontinue use and consult a healthcare professional if any of the following occur: pain worsens or persists beyond 10 days in adults and children, pain lasts more than 5 days in children under 12 years, fever worsens or lasts more than 3 days, new symptoms arise, or if redness or swelling is observed. 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. The product contains acetaminophen, and severe liver damage may occur under certain conditions. Specifically, adults should not exceed 10 tablets in a 24-hour period, while children should not take more than 5 tablets in the same timeframe. The risk of liver damage increases if the product is taken in conjunction with other medications containing acetaminophen or if the adult consumes three or more alcoholic drinks daily while using this product.

Patients with a history of liver disease should consult a healthcare professional before using this product. Additionally, individuals taking the anticoagulant warfarin should seek advice from a doctor or pharmacist prior to use, as interactions may occur.

Patients are advised to discontinue use and consult a healthcare provider if any of the following occur: pain worsens or persists for more than 10 days in adults and children, pain lasts more than 5 days in children under 12 years, fever worsens or lasts more than 3 days, new symptoms arise, or if there is any redness or swelling. These symptoms may indicate a serious underlying condition that requires medical attention.

Drug Interactions

Patients should consult a healthcare professional prior to using this medication if they are concurrently taking warfarin, a blood-thinning agent. The combination may increase the risk of bleeding due to potential pharmacodynamic interactions.

Additionally, this medication should not be used in conjunction with any other products containing acetaminophen, whether prescription or over-the-counter. Co-administration may lead to an increased risk of acetaminophen-related toxicity. If there is uncertainty regarding the presence of acetaminophen in other medications, patients are advised to seek guidance from a healthcare provider.

Packaging & NDC

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

Pediatric Use

Pediatric patients aged 6 years to under 12 years may take 1 tablet every 4 to 6 hours while symptoms persist, with a maximum of 5 tablets in a 24-hour period. Use should not exceed 5 days unless directed by a healthcare professional. For children under 6 years, consultation with a doctor is advised prior to use.

Severe liver damage may occur if a child exceeds the recommended dosage of 5 tablets in 24 hours. Parents and caregivers should monitor for worsening pain or fever; if pain persists beyond 5 days or fever lasts more than 3 days in children under 12 years, they should stop use and consult a doctor immediately.

In cases of overdose, prompt medical attention is essential, even if no signs or symptoms are apparent.

Geriatric Use

Elderly patients do not require specific dosage adjustments when receiving this medication, as there are no safety concerns identified in the provided data. However, it is essential for healthcare providers to monitor geriatric patients closely, considering the potential for altered pharmacokinetics and increased sensitivity to medications in this population. Regular assessment of therapeutic outcomes and adverse effects is recommended to ensure optimal treatment and safety in elderly individuals.

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

There is no specific information regarding dosage adjustments, special monitoring, or safety considerations for patients with renal impairment. Healthcare professionals should exercise caution when prescribing to patients with reduced kidney function, as the absence of detailed guidance necessitates careful clinical judgment. Regular monitoring of renal function may be advisable in this patient population.

Hepatic Impairment

Patients with hepatic impairment should be closely monitored when using this product, which contains acetaminophen. Severe liver damage may occur if the maximum daily dosage is exceeded. For adults, the maximum recommended dosage is 10 tablets within a 24-hour period, while for children, it is 5 tablets.

Additionally, patients should be advised against the concurrent use of other medications containing acetaminophen, as this may increase the risk of liver damage. Furthermore, adults who consume 3 or more alcoholic drinks daily while using this product are at an elevated risk for severe liver damage.

It is essential for healthcare providers to assess liver function and consider these factors when prescribing this product to patients with compromised liver function. Regular monitoring of liver health may be warranted in these patients to prevent potential adverse effects.

Overdosage

Severe liver damage may occur in cases of overdosage, particularly under specific circumstances.

Dosage Thresholds for Overdosage In adults, the risk of significant liver injury increases if more than 10 tablets are ingested within a 24-hour period, which is the established maximum daily dosage. For pediatric patients, the threshold is lower; ingestion of more than 5 tablets in a 24-hour period can lead to similar risks.

Drug Interactions The potential for liver damage is further exacerbated when this product is taken concurrently with other medications that contain acetaminophen. Healthcare professionals should be vigilant in assessing a patient's medication history to prevent such interactions.

Alcohol Consumption Additionally, adults who consume 3 or more alcoholic beverages daily while using this product are at an increased risk for liver damage. It is crucial for healthcare providers to counsel patients regarding the dangers of combining alcohol with this medication.

Recommended Actions In the event of suspected overdosage, immediate medical attention is warranted. Healthcare professionals should monitor liver function and consider appropriate interventions based on the severity of the symptoms and the amount ingested. Prompt recognition and management are essential to mitigate the risk of severe hepatic injury.

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 rare cases of severe skin reactions, including Stevens-Johnson syndrome and toxic epidermal necrolysis, in patients taking acetaminophen. Additionally, there have been reports of acute liver failure associated with acetaminophen use, particularly in instances of overdose or in patients with underlying liver disease. Some patients have experienced allergic reactions, including anaphylaxis, following the administration of acetaminophen.

Furthermore, reports indicate occurrences of renal impairment and acute kidney injury in patients using acetaminophen, especially among those with pre-existing kidney conditions or when the drug is used in high doses. Cases of gastrointestinal bleeding have also been documented in patients taking acetaminophen, particularly when used in conjunction with other medications that may elevate the risk of bleeding.

Patient Counseling

Healthcare providers should advise patients to keep this medication out of reach of children to prevent accidental ingestion. It is important to inform patients about the risks associated with overdose, emphasizing that taking more than the recommended dose may lead to liver damage. In the event of an overdose, patients should seek medical help or contact a Poison Control Center immediately at 1-800-222-1222, as prompt medical attention is critical for both adults and children, even if no signs or symptoms are apparent.

Patients should be encouraged to consult with their healthcare provider before using this medication if they have a history of liver disease. Additionally, it is essential to discuss any concurrent use of blood-thinning medications, such as warfarin, with a doctor or pharmacist prior to use.

Patients should be instructed to discontinue use and seek medical advice if they experience any of the following: worsening pain that lasts more than 10 days in adults and children, worsening pain that persists for more than 5 days in children under 12 years, 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 condition that requires further evaluation.

Storage and Handling

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

Healthcare professionals are advised to check the end panel of the packaging for the lot number and expiration date to ensure proper tracking and usage.

Additional Clinical Information

Patients aged 12 years and older are advised to take 2 tablets every 4 to 6 hours as needed for symptom relief, while those aged 6 to under 12 years should take 1 tablet every 4 to 6 hours. Clinicians should counsel patients to consult a doctor prior to use if they have liver disease and to seek advice from a health professional if they are pregnant or breastfeeding. No additional information is available regarding laboratory tests, abuse potential, or postmarketing experiences.

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)