Acetaminophen

Description

Acetaminophen Caplet contains 500 mg of acetaminophen, a non-opioid analgesic and antipyretic agent. This formulation is designed to provide effective relief from pain and to reduce fever. The caplet form facilitates ease of administration and dosage accuracy.

Uses and Indications

This drug is indicated for the temporary relief of minor aches and pains associated with various conditions, including headache, tooth pain, backache, premenstrual syndrome (PMS), menstrual cramps, minor arthritis, muscular pain, and discomfort related to the common cold. 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 over 12 years of age 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.

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

Contraindications

Use of this product is contraindicated in patients with liver disease due to the potential for exacerbating hepatic impairment. Additionally, concomitant use with the anticoagulant warfarin is contraindicated, as it may increase the risk of bleeding.

This product should not be used in conjunction with any other medications containing acetaminophen, whether prescription or over-the-counter, to avoid the risk of acetaminophen overdose. Furthermore, the product should not be used for more than 10 days for pain or more than 3 days for fever unless directed by a healthcare professional.

Warnings and Precautions

This product contains acetaminophen, which poses a risk of severe liver damage if not used according to the guidelines. Healthcare professionals should advise patients that the maximum daily dosage is limited to 6 tablets within a 24-hour period. Patients must be cautioned against concurrent use with other medications containing acetaminophen, as this can significantly increase the risk of liver injury. Additionally, consumption of three or more alcoholic beverages daily while using this product may exacerbate the risk of liver damage.

Patients should be informed of the potential for severe skin reactions associated with acetaminophen. Symptoms indicative of such reactions may include skin reddening, blisters, and rash. In the event of any skin reaction, patients must discontinue use immediately and seek medical assistance.

Healthcare providers should instruct patients to stop using the product and consult a physician if they have a history of liver disease, are taking the anticoagulant warfarin, experience a lack of improvement in symptoms, notice the emergence of new symptoms, or if pain or fever persists or worsens.

In cases of suspected overdose, it is imperative to seek emergency medical help or contact a Poison Control Center without delay. Prompt medical intervention is crucial for both adults and children, even if no immediate signs or symptoms of overdose are apparent.

Side Effects

Severe liver damage may occur in patients who exceed the maximum daily dosage of six tablets within a 24-hour period, take the product in conjunction with other medications containing acetaminophen, or consume three or more alcoholic drinks daily while using this product.

Patients should be aware of the potential for severe skin reactions associated with acetaminophen, which may manifest as skin reddening, blisters, or rash. In the event of such a skin reaction, it is imperative to discontinue use immediately and seek medical assistance.

The product should not be used concurrently with any other drug containing acetaminophen, whether prescription or nonprescription. Patients are advised against using the product for more than 10 days for pain or more than 3 days for fever unless directed by a healthcare professional.

Patients should stop using the product and consult a doctor if they have liver disease, are taking the anticoagulant warfarin, experience a lack of improvement in symptoms, notice the emergence of new symptoms, or if pain or fever persists or worsens.

In cases of accidental overdose, it is crucial for patients to seek medical help or contact a Poison Control Center immediately, as prompt medical attention is essential for both adults and children, even in the absence of noticeable signs or symptoms.

Drug Interactions

Co-administration of this medication with any other drug containing acetaminophen, whether prescription or nonprescription, is contraindicated due to the risk of acetaminophen overdose, which can lead to severe liver damage.

Additionally, caution is advised when this medication is used in conjunction with warfarin, a blood-thinning agent. Patients should discontinue use and consult a healthcare professional if they are currently taking warfarin, as this combination may increase the risk of bleeding complications. Regular monitoring of coagulation parameters may be warranted in patients who require both therapies.

Packaging & NDC

Below are the non-prescription pack sizes of Acetaminophen (acetaminophen caplet, 500 mg extra strength). 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 and adults aged 12 years and older, the recommended dosage is 2 caplets every 6 hours as needed for symptom relief, with a maximum of 6 caplets in a 24-hour period unless otherwise directed by a healthcare provider.

Geriatric Use

There is no specific information available 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, 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 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

Patients with renal impairment have no specific information regarding dosage adjustments, special monitoring, or safety considerations provided in the drug insert. Therefore, healthcare professionals should exercise caution when prescribing this medication to individuals with reduced kidney function, as the lack of data necessitates careful clinical judgment.

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 tablets in a 24-hour period; exceeding this limit may lead to significant hepatic injury.

Additionally, patients should be aware that the concurrent use of this product with other medications containing acetaminophen can further increase the risk of severe liver damage. It is also advised that patients who consume 3 or more alcoholic drinks daily refrain from using this product, as this may exacerbate the potential for liver injury.

Patients with known liver disease should discontinue use and consult a healthcare professional for further evaluation and guidance. Regular monitoring of liver function may be warranted in patients with compromised liver function to ensure safety and prevent adverse effects.

Overdosage

In the event of an accidental overdose, it is imperative to seek immediate medical assistance or contact a Poison Control Center without delay. Prompt medical intervention is crucial for both adults and children, regardless of whether any signs or symptoms are initially apparent.

Healthcare professionals should be aware that the absence of symptoms does not preclude the possibility of serious complications arising from an overdose. Therefore, it is essential to monitor the patient closely and provide appropriate care as needed.

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 understanding of potential risks associated with the compound in nonclinical settings.

Postmarketing Experience

Postmarketing experience has identified rare cases of severe skin reactions associated with acetaminophen use. Reported symptoms include skin reddening, blisters, and rash. These events were documented through voluntary reports and surveillance programs.

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 that they should not use this medication in conjunction with any other drug containing 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.

Patients should be instructed not to use this medication for more than 10 days for pain or more than 3 days for fever unless directed by a healthcare professional. They should be made aware of the importance of stopping use and seeking medical advice if they have a history of liver disease, are taking the blood-thinning medication warfarin, or if their symptoms do not improve. Additionally, patients should be advised to stop use and consult a doctor if new symptoms arise or if pain or fever persists or worsens.

Storage and Handling

The product is supplied in a configuration that includes specific NDC numbers, which are essential for identification and inventory management. It is recommended to store the product in a cool and dry place, maintaining a temperature range of 22-25˚C (67-77˚F) to ensure optimal stability and efficacy. Proper storage conditions are crucial for preserving 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)