Acetaminophen

Description

Each tablet contains 500 mg of Acetaminophen, which is a white, odorless crystalline powder. The formulation includes inactive ingredients such as corn starch, magnesium stearate, and microcrystalline cellulose.

Uses and Indications

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

There are no teratogenic or nonteratogenic effects associated with this drug.

Dosage and Administration

Adults are advised 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 individuals under 18 years of age, it is recommended to consult a doctor prior to use.

Contraindications

Use of this product is contraindicated in the following situations:

• Co-administration with any other medications containing acetaminophen, whether 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, as this may lead to severe allergic reactions.

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 alerted to 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 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 cases of overdose, immediate medical attention is critical. Patients should be instructed to contact a poison control center or seek emergency medical help without delay, even if no symptoms are apparent. The national poison control hotline is available at 1-800-222-1222.

Patients should discontinue use and contact their healthcare provider if pain worsens or persists for more than 10 days, if fever intensifies or lasts longer than 3 days, if new symptoms develop, or if there is any redness or swelling, as these may indicate a serious underlying condition.

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. Patients with pre-existing liver disease should consult a healthcare professional prior to use.

Additionally, acetaminophen may cause severe skin reactions, which can manifest as skin reddening, blisters, or 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 using the product and consult a doctor if pain worsens or persists for more than 10 days, if fever worsens or lasts longer 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 seek advice from a healthcare professional or pharmacist before using this product.

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. Patients are advised to verify the presence of acetaminophen in other medications with a healthcare provider or pharmacist to avoid unintentional overdose and associated adverse effects.

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 18 years of age should consult a healthcare professional before use. In the event of an overdose, it is crucial for both adults and children to seek immediate medical attention, even if no signs or symptoms are apparent.

Geriatric Use

Elderly patients should consult a healthcare provider prior to use if they have liver disease, as this may affect the safety and efficacy of the medication. Additionally, it is important for geriatric patients to seek advice from a doctor or pharmacist if they are concurrently taking the anticoagulant warfarin, due to potential interactions that could increase the risk of bleeding.

In the event of an overdose, prompt medical attention is crucial for elderly patients, as well as for children, even if no signs or symptoms are immediately apparent. This underscores the importance of careful monitoring and adherence to prescribed dosages in this population.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional before using this medication. The safety of this drug during pregnancy has not been established, and potential risks to fetal outcomes are not fully known. Therefore, it is essential for women of childbearing potential to seek medical advice prior to use to ensure appropriate risk assessment and management.

Lactation

Lactating mothers are advised to consult a healthcare professional prior to using this medication. There is no specific data available 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 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 exercise caution when using this product, as it contains acetaminophen, which is associated with the risk of severe liver damage. The maximum recommended dosage is 6 caplets in a 24-hour period; exceeding this limit may lead to significant hepatic injury.

Additionally, patients with compromised liver function should avoid concomitant use of this product with other medications containing acetaminophen, as this may further increase the risk of severe liver damage.

Patients who consume 3 or more alcoholic drinks daily are also at an elevated risk for liver damage when using this product. It is advisable for patients with hepatic impairment to consult a healthcare professional for appropriate monitoring and potential dosage adjustments based on their individual liver function status.

Overdosage

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

Risk of Severe Liver Damage Healthcare professionals should be aware that severe liver damage may occur if a patient exceeds the maximum recommended dosage of 6 caplets within a 24-hour period. This threshold is critical for maintaining liver health and preventing toxicity.

Additionally, the concomitant use of this product with other medications containing acetaminophen poses a substantial risk for severe liver damage. It is essential for healthcare providers to evaluate a patient's complete medication history to mitigate this risk.

Furthermore, patients who consume three or more alcoholic drinks daily while using this product are at an increased risk of experiencing severe liver damage. Clinicians should counsel patients on the dangers of alcohol consumption in conjunction with this medication.

Recommended Actions In the event of suspected overdosage, immediate medical attention is warranted. Healthcare professionals should monitor liver function tests and consider appropriate interventions based on the severity of the symptoms presented. Prompt recognition and management of overdosage are crucial to prevent irreversible liver injury.

Nonclinical Toxicology

No information is available regarding teratogenic or non-teratogenic effects. Additionally, there is no data provided concerning nonclinical toxicology, animal pharmacology, or toxicology.

Postmarketing Experience

Postmarketing experience has identified severe skin reactions associated with acetaminophen use. Reported symptoms may include skin reddening, blisters, and rash. In the event of a skin reaction, it is advised that the use of acetaminophen be discontinued and medical assistance sought immediately.

Patient Counseling

Healthcare providers should advise patients on the importance of seeking immediate medical assistance in the event of an overdose. Patients should be informed to contact a poison control center at 1-800-222-1222 without delay. It is crucial to emphasize that prompt medical attention is necessary for both adults and children, even if they do not exhibit any signs or symptoms of overdose. This proactive approach can significantly impact the outcome in such situations.

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 health professional prior to use. No further 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)