Acetaminophen

Description

The product identified by SPL Code 34089-3 is indicated for pain relief.

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, toothache, muscular aches, backache, arthritis, 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 tablets every 4 to 6 hours as needed. The maximum allowable dosage is 8 tablets within a 24-hour period. It is important to note that this medication should not be used for more than 10 consecutive days unless directed by a healthcare professional.

For children under 12 years of age, the use of this extra strength product is contraindicated, as it may result in an overdose and lead to serious health complications.

Contraindications

Use is contraindicated in patients with a known allergy to acetaminophen. Additionally, concurrent use with any other medication containing acetaminophen, whether prescription or nonprescription, is contraindicated due to the risk of acetaminophen overdose.

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 4000 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.

Patients should be informed of the potential for severe skin reactions associated with acetaminophen use. 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 to consult a healthcare provider prior to use in patients with liver disease. Additionally, patients taking the anticoagulant warfarin should seek advice from a doctor or pharmacist before using this product, as interactions may occur.

In cases of accidental overdose, immediate medical attention is crucial. Patients should be instructed to contact a healthcare professional or the Poison Control Center at 1-800-222-1222 without delay, regardless of the presence of symptoms.

Patients should discontinue use and contact their healthcare provider if any of the following occur: symptoms do not improve, pain worsens or persists for more than 10 days, pain lasts more than 5 days in children under 12 years, fever worsens or lasts for more than 3 days, new symptoms arise, redness or swelling is observed, or a rare sensitivity reaction occurs. Side effects can be reported to 1-888-952-0050.

Side Effects

Patients using this product should be aware of potential adverse reactions, particularly those related to liver health and allergic responses.

Severe liver damage may occur if patients exceed 4000 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. It is crucial for patients with liver disease to consult a healthcare professional prior to use.

Additionally, acetaminophen may cause severe skin reactions, which can manifest as skin reddening, blisters, or rash. Should any of these symptoms occur, patients are advised to discontinue use immediately and seek medical assistance.

Patients should also be instructed to stop use and consult a doctor if symptoms do not improve, if pain worsens or persists for more than 10 days (or more than 5 days in children under 12 years), if fever worsens or lasts for more than 3 days, if new symptoms arise, if redness or swelling is observed, or if a rare sensitivity reaction occurs.

Furthermore, patients taking the blood-thinning medication warfarin should seek advice from a doctor or pharmacist before using this product to avoid potential interactions.

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. Monitoring for signs of liver damage is advised in patients who may inadvertently exceed the recommended acetaminophen dosage.

Packaging & NDC

Below are the non-prescription pack sizes of Acetaminophen 500mg. Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Pediatric Use

Pediatric patients under 12 years of age should not use this extra strength product, as it may result in doses exceeding the recommended amount, potentially leading to serious health complications.

In children, if pain worsens or persists for more than 5 days, or if fever intensifies or lasts longer than 3 days, medical evaluation is advised.

Geriatric Use

Elderly patients may not have specific dosage adjustments, safety concerns, or special precautions outlined in the prescribing information. Therefore, healthcare providers should exercise clinical judgment when prescribing this medication to geriatric patients. It is advisable to monitor these patients closely for any potential adverse effects or changes in therapeutic response, given the general considerations associated with aging and pharmacotherapy.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional prior to using this medication. It is important to assess the potential risks and benefits, as well as any available data regarding fetal outcomes and maternal health. Healthcare providers can offer guidance tailored to individual circumstances, ensuring the safety of both the patient and the developing fetus or nursing infant.

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. Regular monitoring of renal function may be advisable in these patients to ensure safety and efficacy.

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. It is critical that patients do not exceed a maximum dosage of 4000 mg of acetaminophen within a 24-hour period. Additionally, patients should avoid concurrent use with other medications that contain acetaminophen, as this may further increase the risk of liver injury.

Patients with compromised liver function are advised to consult a healthcare professional prior to using this product, particularly if they have a history of liver disease. Furthermore, it is recommended that patients limit alcohol consumption to fewer than three alcoholic drinks per day while using this product to mitigate the risk of liver damage. Regular monitoring of liver function may be warranted in patients with existing liver conditions to ensure safety and efficacy during treatment.

Overdosage

In the event of an accidental overdose, it is imperative to seek immediate medical attention. Healthcare professionals should advise patients or caregivers to contact a doctor or the Poison Control Center at 1-800-222-1222 without delay. Prompt intervention is crucial for both adults and children, even in the absence of noticeable signs or symptoms of overdose.

The management of overdose cases should include a thorough assessment of the patient's condition, monitoring for any potential symptoms, and implementing appropriate treatment protocols as necessary. It is essential to remain vigilant, as the absence of symptoms does not preclude the possibility of serious complications.

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 that side effects may be reported voluntarily by healthcare professionals and patients. Reports can be submitted to the designated contact number, 1-888-952-0050. This information is collected through various surveillance programs to monitor the safety profile of the product.

Patient Counseling

Healthcare providers should advise patients to seek immediate medical attention in the event of an accidental overdose. It is important to contact a doctor or the Poison Control Center at 1-800-222-1222 without delay. Patients should be informed that prompt medical intervention is crucial for both adults and children, even if they do not exhibit any noticeable signs or symptoms of overdose. This proactive approach can significantly impact the outcome in such situations.

Storage and Handling

The product is supplied in a configuration that includes an imprinted safety seal under the cap. It is essential to ensure that this seal is intact before use, as the product should not be utilized if the seal is broken or missing.

For optimal storage, the product must be kept at a temperature range of 20°-25°C (68°-77°F). Proper adherence to these storage conditions is crucial to maintain the integrity and efficacy of the product.

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. It is essential to keep the medication out of reach of children. In the event of an accidental overdose, patients should contact a doctor or the Poison Control Center (1-800-222-1222) immediately, as prompt medical attention is crucial for both adults and children, even if no signs or symptoms are apparent.

Drug Information (PDF)

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

View product document (PDF)