Acetaminophen

Description

Acetaminophen is a non-opioid analgesic and antipyretic agent, available in a dosage form of 500 mg per caplet. Each package contains 24 caplets. Acetaminophen is indicated for the relief of pain and the reduction of fever.

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, toothache, muscular aches, 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 advised 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, the use of this medication should not extend beyond 10 days unless specifically instructed 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, 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.

• History of allergic reaction to this product or any of its ingredients, as this may lead to severe hypersensitivity 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 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, which can manifest as skin reddening, blisters, or rash. In the event of any skin reaction, patients should 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 there may be potential interactions.

In cases of overdose, immediate medical attention is crucial. Patients should be advised to contact a Poison Control Center at 1-800-222-1222 or seek emergency medical help without delay, even if no symptoms are apparent, as prompt intervention is vital for both adults and children.

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

Side Effects

Severe liver damage may occur in patients who exceed 4,000 mg of acetaminophen within a 24-hour period, use other medications containing acetaminophen concurrently, 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 a skin reaction, it is imperative to discontinue use and seek medical assistance immediately.

Patients are advised to stop use and consult a healthcare professional if pain worsens or persists for more than 10 days, if fever intensifies or lasts longer than 3 days, if new symptoms arise, or if redness or swelling is observed, as these may indicate a serious condition.

Individuals with liver disease should consult a doctor prior to use. Additionally, patients taking the blood-thinning medication warfarin should seek advice from a healthcare provider or pharmacist before using acetaminophen.

In cases of overdose, it is crucial to obtain medical help or contact a Poison Control Center immediately (1-800-222-1222). Prompt medical attention is essential for both adults and children, even if no signs or symptoms are apparent.

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 hepatotoxicity. 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 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.

It is important to note that the medication should not be used for more than 10 days without medical supervision. In the event of an overdose, immediate medical assistance should be sought, and contacting a Poison Control Center is advised. Prompt medical attention is essential for both adults and children, even if no signs or symptoms of overdose are apparent.

Geriatric Use

Elderly patients may not have specific recommendations regarding age considerations, 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 potential for altered pharmacokinetics and pharmacodynamics in 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 considered in these populations to ensure the safety of both the mother and the fetus or infant.

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 mothers.

Renal Impairment

Patients with renal impairment have not been specifically addressed in the drug insert regarding dosage adjustments, special monitoring, or safety considerations. Therefore, healthcare professionals should exercise caution when prescribing this medication 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 these patients to ensure safety and efficacy.

Hepatic Impairment

Patients with hepatic impairment should consult a healthcare professional prior to using this medication. It is essential for individuals with liver disease to receive appropriate guidance regarding the use of this product, as compromised liver function may affect the drug's metabolism and overall safety profile. Monitoring of liver function may be necessary to ensure the safe administration of the medication in this population.

Overdosage

In the event of an overdose, it is imperative to seek immediate medical assistance or contact a Poison Control Center at 1-800-222-1222. Prompt intervention is crucial for both adults and children, even in the absence of noticeable signs or symptoms.

Healthcare professionals should be aware that the lack of immediate symptoms does not preclude the potential for serious adverse effects. Therefore, vigilance and timely medical evaluation are essential in managing overdose situations effectively.

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. Further studies may be necessary to elucidate these aspects of nonclinical toxicology.

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 seek immediate medical assistance or contact a Poison Control Center at 1-800-222-1222 in the event of an overdose. It is crucial to emphasize that prompt medical attention is necessary for both adults and children, even if no signs or symptoms are initially apparent.

Patients should be informed not to use this product in conjunction with any other medications that contain acetaminophen, whether prescription or nonprescription. If patients are uncertain about the presence of acetaminophen in their medications, they should be encouraged to consult with a doctor or pharmacist for clarification.

It is important to instruct patients to discontinue use and consult a doctor if their pain worsens or persists for more than 10 days. Similarly, they should stop using the product and seek medical advice if their fever intensifies or lasts longer than 3 days. Patients should also be advised to stop use and contact a healthcare professional if they experience new symptoms or notice any redness or swelling, as these may indicate a serious condition.

Healthcare providers should recommend that patients with a history of allergic reactions to this product or any of its ingredients refrain from using it. Additionally, patients with liver disease should be advised to consult a doctor before using this medication. Lastly, those taking the blood-thinning medication warfarin should be encouraged to speak with a doctor or pharmacist prior to use to ensure safety.

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 20-25°C (68-77°F) to maintain its integrity and efficacy. Proper container requirements must be adhered to, ensuring that the product is kept in its original packaging. Special handling needs should be observed to prevent exposure to extreme temperatures or conditions that may compromise the product's quality.

Additional Clinical Information

The medication is administered orally, with a recommended dosage of 2 caplets every 6 hours while symptoms persist. Patients should not exceed 6 caplets within a 24-hour period unless directed by a healthcare professional, and use should not extend beyond 10 days without medical advice.

Clinicians should counsel patients to consult a health professional if they are pregnant or breastfeeding. It is essential to keep the medication out of reach of children. In the event of an overdose, immediate medical assistance should be sought, or the Poison Control Center contacted at 1-800-222-1222, as prompt attention is crucial for both adults and children, even in the absence of symptoms.

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)