Acetaminophen 500 mg

Description

No description information is available for the specified drug.

Uses and Indications

This drug is indicated for the temporary relief of minor aches and pains associated with various conditions, including the common cold, headache, backache, minor pain of arthritis, muscular aches, 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 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, this medication should not be used for more than 10 consecutive days unless specifically directed 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. Healthcare professionals should verify the presence of acetaminophen in other medications if there is uncertainty.

• 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 to avoid exceeding 4,000 mg of acetaminophen within a 24-hour period, particularly when taking other medications that also contain acetaminophen. Additionally, consumption of three or more alcoholic drinks daily while using this product significantly increases the risk of liver damage.

In the event of an overdose, it is imperative to seek emergency medical assistance immediately or contact Poison Control at 1-800-222-1222. Prompt medical attention is crucial for both adults and children, even if no signs or symptoms of overdose are apparent.

Patients should be instructed to discontinue use and consult a healthcare provider if any of the following occur: pain worsens or persists for more than 10 days; fever intensifies or lasts longer than 3 days; redness or swelling develops; or if new symptoms arise. These 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 if patients exceed 4,000 mg of acetaminophen in a 24-hour period, especially when combined with other medications containing acetaminophen. Additionally, consumption of three or more alcoholic drinks daily while using this product may also increase the risk of liver damage.

Patients are advised to discontinue use and consult a healthcare professional if they experience worsening pain that lasts more than 10 days, fever that persists for more than 3 days, the presence of redness or swelling, or the emergence of new symptoms. These signs may indicate a serious underlying condition that requires medical attention.

Before using this product, patients with liver disease should seek advice from a healthcare provider. Furthermore, individuals taking the blood-thinning medication warfarin should consult with a doctor or pharmacist prior to use to avoid potential interactions.

Drug Interactions

Patients taking the anticoagulant warfarin should consult a healthcare professional prior to using acetaminophen. Acetaminophen has the potential to interact with warfarin, which may influence International Normalized Ratio (INR) levels. Monitoring of INR is advised in patients who are concurrently using these medications to ensure safe and effective anticoagulation therapy.

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

Packaging & NDC

Below are the non-prescription pack sizes of Acetaminophen 500 mg (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 children and adults, even if no immediate signs or symptoms are apparent.

Geriatric Use

Elderly patients may not have specific information regarding the use of this medication, including dosage adjustments, safety concerns, or special precautions. Therefore, healthcare providers should exercise caution when prescribing this medication to geriatric patients. It is advisable to monitor these patients closely for any adverse effects or changes in therapeutic response, given the lack of targeted data for 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 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 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 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 when using this product, which contains acetaminophen. It is critical to note that severe liver damage may occur if the total daily dosage of acetaminophen exceeds 4,000 mg, particularly when combined with other medications containing acetaminophen.

Additionally, patients who consume three or more alcoholic drinks daily while using this product are at an increased risk for severe liver damage. Therefore, it is recommended that patients with compromised liver function limit their alcohol intake and adhere strictly to the recommended dosage guidelines to mitigate the risk of hepatotoxicity. Regular assessment of liver function may be warranted in these patients to ensure safety and efficacy during treatment.

Overdosage

In cases of overdosage, severe liver damage may occur if an individual ingests more than 4,000 mg of acetaminophen within a 24-hour period, particularly when combined with other medications that also contain acetaminophen.

To mitigate the risk of overdose, it is imperative that healthcare professionals advise patients against the concurrent use of any other drug containing acetaminophen, whether prescription or nonprescription. This precaution is essential to prevent the potential for serious adverse effects associated with excessive acetaminophen intake.

In the event of suspected overdosage, immediate medical attention is warranted. Healthcare providers should assess the patient's condition and consider appropriate management strategies, which may include monitoring liver function and administering antidotes as necessary.

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 severe skin reactions associated with acetaminophen. These reactions may manifest as symptoms including skin reddening, blisters, and rash. In the event of a skin reaction, it is advised that the use of acetaminophen be discontinued immediately, and medical assistance should be sought without delay.

Patient Counseling

Healthcare providers should advise patients to keep the 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 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. Quick 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 20º to 25ºC (68º to 77ºF). Care should be taken to ensure that the product is kept within this temperature range to maintain its integrity and efficacy.

Additional Clinical Information

No further data are available.

Drug Information (PDF)

This file contains official product information for Acetaminophen 500 mg, including active ingredients, dosage, warnings, and labeling as submitted by the manufacturer for OTC distribution.

View product document (PDF)