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Tension Headache

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Active ingredients
  • Acetaminophen 500 mg
  • Caffeine 65 mg
Other brand names
Drug classes
Central Nervous System Stimulant, Methylxanthine
Dosage form
Tablet, Film Coated
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2007
Label revision date
January 12, 2026
Active ingredients
  • Acetaminophen 500 mg
  • Caffeine 65 mg
Other brand names
Drug classes
Central Nervous System Stimulant, Methylxanthine
Dosage form
Tablet, Film Coated
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 2007
Label revision date
January 12, 2026
Manufacturer
Cardinal Health 110, LLC. DBA Leader
Registration number
M013
NDC root
70000-0159

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Drug Overview

LEADER™ is a medication designed to help relieve tension headaches and minor aches and pains. Each caplet contains 500 mg of acetaminophen (a common pain reliever) and 65 mg of caffeine (which can enhance the effectiveness of pain relief). This product is aspirin-free, making it a suitable option for those who prefer to avoid aspirin.

You can use LEADER™ to temporarily alleviate discomfort from headaches and muscular aches. It is important to note that this product is not manufactured by the same company that produces Excedrin® Tension Headache, but it serves a similar purpose in providing relief from tension-related pain.

Uses

You can use this medication to temporarily relieve minor aches and pains, such as headaches and muscular aches. It’s designed to help you feel more comfortable when you're experiencing these common discomforts.

Rest assured, there are no teratogenic effects (which means it doesn't cause birth defects) associated with this medication, making it a safer option for those who may be concerned about such risks.

Dosage and Administration

When using this medication, it's important to follow the directions carefully. For adults and children aged 12 years and older, you should take 2 caplets every 6 hours as needed. However, make sure not to exceed 6 caplets in a 24-hour period.

If the person needing the medication is under 12 years old, it's best to consult a doctor for the appropriate dosage. Always remember to take only the amount directed to ensure safety and effectiveness.

What to Avoid

It's important to be cautious when using this medication. You should not use it in combination with any other drug that contains acetaminophen (a common pain reliever found in many over-the-counter and prescription medications). If you're unsure whether a medication contains acetaminophen, please consult your doctor or pharmacist for guidance.

Additionally, be aware that this medication is classified as a controlled substance, which means it has the potential for abuse or misuse. This can lead to dependence (a condition where your body becomes reliant on a substance). Always follow your healthcare provider's instructions and avoid using this medication in ways not prescribed.

Side Effects

This product contains acetaminophen, which can lead to severe liver damage if you exceed 4,000 mg in 24 hours, take it with other acetaminophen-containing medications, or consume three or more alcoholic drinks daily while using it. Be aware that acetaminophen may also cause serious skin reactions, such as blisters, rash, or skin reddening. If you notice any of these symptoms, stop using the product and seek medical help immediately.

Additionally, the recommended dose contains about as much caffeine as a cup of coffee. It's important to limit other sources of caffeine while using this product, as too much can lead to nervousness, irritability, sleeplessness, and sometimes a rapid heartbeat. If you experience any new symptoms, worsening pain, or prolonged fever, consult your doctor. Always check with a healthcare professional if you have liver disease or are taking blood thinners like warfarin before using this product.

Warnings and Precautions

This product contains acetaminophen, which can lead to severe liver damage if you take more than 4,000 mg in 24 hours, use it with other acetaminophen-containing medications, or consume three or more alcoholic drinks daily while using it. Be aware that acetaminophen may also cause serious skin reactions, such as blisters, rash, or skin reddening. If you notice any skin reactions, stop using the product and seek medical help immediately. Additionally, the recommended dose contains caffeine, similar to a cup of coffee, so limit other caffeine sources to avoid nervousness, irritability, sleeplessness, or rapid heartbeat.

Before using this product, consult your doctor if you have liver disease or are taking the blood thinner warfarin. If you experience any new symptoms, redness or swelling, worsening pain lasting more than 10 days, or a fever that lasts more than 3 days, stop taking the product and call your doctor. In case of overdose, seek emergency medical help or contact a Poison Control Center right away, even if you do not notice any symptoms. Prompt attention is crucial for both adults and children.

Overdose

If you suspect an overdose, it’s important to seek medical help immediately or contact a Poison Control Center. This is crucial for both adults and children, even if you don’t see any signs or symptoms of an overdose.

Signs of an overdose can vary, but they may include unusual drowsiness, confusion, or difficulty breathing. Remember, acting quickly can make a significant difference, so don’t hesitate to get help.

Pregnancy Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using this medication. They can provide guidance on whether it’s safe for you and your baby. Always prioritize your health and the health of your child by seeking expert advice.

Lactation Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using any medication. This ensures that you understand any potential risks and can make informed decisions about your health and the health of your baby. Always prioritize open communication with your doctor regarding your breastfeeding journey.

Pediatric Use

If you have a child under 12 years old, it's important to consult with a doctor before using this medication. For children aged 12 and older, the recommended dosage is 2 caplets every 6 hours, but be sure not to exceed 6 caplets in a 24-hour period. Always follow these guidelines to ensure the safety and well-being of your child.

Geriatric Use

When it comes to using this medication in older adults, there is no specific information available about dosage adjustments, safety concerns, or special precautions. This means that if you or a loved one is an older adult, it’s important to consult with a healthcare provider before starting the medication. They can help determine the best approach based on individual health needs and any other medications being taken. Always prioritize open communication with your healthcare team to ensure safe and effective treatment.

Renal Impairment

If you have kidney problems, it's important to know that the drug insert does not provide specific information about dosage adjustments, special monitoring, or safety considerations for your condition. This means that there are no tailored guidelines for how this medication may affect you if you have renal impairment (kidney issues).

Always consult your healthcare provider for personalized advice and to ensure that any medication you take is safe and appropriate for your health situation. They can help monitor your kidney function and make any necessary adjustments to your treatment plan.

Hepatic Impairment

If you have liver problems, it's important to be cautious when using products that contain acetaminophen. Taking more than 4,000 mg of acetaminophen in a 24-hour period, using it alongside other medications that also contain acetaminophen, or consuming three or more alcoholic drinks daily while using this product can lead to severe liver damage.

Before using this product, you should consult with your doctor if you have liver disease. They can provide guidance on safe usage and any necessary adjustments to your dosage. Your health and safety are the top priority, so don’t hesitate to seek professional advice.

Drug Interactions

It's important to talk to your doctor or pharmacist before using this medication, especially if you are taking warfarin, a blood-thinning drug. Combining these medications can increase the risk of bleeding, so your healthcare provider can help ensure your safety by managing your treatment plan effectively. Always keep your healthcare team informed about all the medications you are taking to avoid any potential interactions.

Storage and Handling

To ensure the best performance of your product, store it at room temperature, specifically at 25ºC (77ºF). It’s okay if the temperature occasionally varies between 15ºC and 30ºC (59ºF to 86ºF), but try to keep it as close to the recommended temperature as possible. Always check the end flap of the packaging for the expiration date and lot number, as this information is important for safety and effectiveness.

When handling the product, make sure to do so in a clean environment to maintain its integrity. Proper storage and careful handling will help you get the most out of your device. If you have any questions about disposal or specific safety measures, please refer to the product guidelines or consult a healthcare professional.

Additional Information

You should take this medication orally. If you are pregnant or breastfeeding, it's important to consult a healthcare professional before using it. Always keep this medication out of reach of children. In case of an overdose, seek medical help or contact a Poison Control Center immediately, as prompt attention is crucial for both adults and children, even if no symptoms are apparent.

FAQ

What is LEADER™ used for?

LEADER™ is used to temporarily relieve minor aches and pains due to headaches and muscular aches.

What are the active ingredients in LEADER™?

LEADER™ contains 500 mg of acetaminophen and 65 mg of caffeine.

How should I take LEADER™?

Adults and children 12 years and over should take 2 caplets every 6 hours, not exceeding 6 caplets in 24 hours. Children under 12 years should ask a doctor.

Are there any warnings associated with LEADER™?

Yes, you should not exceed 4,000 mg of acetaminophen in 24 hours, avoid using with other acetaminophen-containing drugs, and limit alcohol consumption while using this product.

What should I do if I experience a skin reaction?

If you experience blisters, rash, or skin reddening, stop using LEADER™ and seek medical help immediately.

Can I use LEADER™ if I have liver disease?

You should ask a doctor before using LEADER™ if you have liver disease.

Is LEADER™ safe to use during pregnancy or breastfeeding?

If you are pregnant or breastfeeding, you should ask a health professional before using LEADER™.

What should I do in case of an overdose?

In case of overdose, get medical help or contact a Poison Control Center right away.

How should I store LEADER™?

Store LEADER™ at 25ºC (77ºF), with permitted excursions between 15º-30ºC (59º-86ºF).

Packaging Info

Below are the non-prescription pack sizes of Tension Headache (acetaminophen, caffeine). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Tension Headache.
Details

Drug Information (PDF)

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

View product document (PDF)

Description

No description information is available for the drug.

Uses and Indications

This drug is indicated for the temporary relief of minor aches and pains associated with headache and muscular aches.

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

Dosage and Administration

Patients should adhere strictly to the recommended dosage. For adults and children aged 12 years and older, the prescribed dosage is 2 caplets every 6 hours, with a maximum limit of 6 caplets within a 24-hour period.

For children under 12 years of age, it is advised to consult a physician for appropriate dosing recommendations.

Contraindications

Use of this product is contraindicated in patients who are concurrently taking any other medication that contains acetaminophen, whether prescription or nonprescription. The combination may lead to an increased risk of acetaminophen-related hepatotoxicity. If there is uncertainty regarding the acetaminophen content of a medication, consultation with a healthcare professional is advised.

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, to refrain from using other medications that also contain acetaminophen, and to limit alcohol consumption to fewer than three alcoholic drinks per day while using this product.

Acetaminophen may also lead to severe skin reactions. Symptoms such as blisters, rash, and skin reddening may occur. If any of these symptoms develop, patients should be instructed to discontinue use immediately and seek medical assistance.

Caution is advised regarding caffeine intake. The recommended dosage of this product contains approximately the same amount of caffeine as a standard cup of coffee. Patients should be counseled to limit the consumption of other caffeine-containing medications, foods, or beverages, as excessive caffeine intake may result in nervousness, irritability, sleeplessness, and, in some cases, rapid heartbeat.

Patients with liver disease should consult a healthcare provider prior to using this product. Additionally, those taking the anticoagulant warfarin should seek advice from a doctor or pharmacist before use to avoid potential interactions.

In the event of an overdose, immediate medical attention is essential. Patients should be instructed to contact a Poison Control Center or seek emergency medical help without delay, regardless of the presence of symptoms.

Patients should discontinue use and consult a healthcare professional if any new symptoms arise, if redness or swelling occurs, if pain worsens or persists for more than 10 days, or if fever intensifies or lasts longer than 3 days.

Side Effects

Patients using this product should be aware of several important warnings and potential adverse reactions.

Severe liver damage may occur if patients exceed a dosage of 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.

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

The product contains a caffeine dosage comparable to that of a standard cup of coffee. Patients should limit the intake of other caffeine-containing medications, foods, or beverages while using this product, as excessive caffeine consumption may lead to nervousness, irritability, sleeplessness, and, in some cases, rapid heartbeat.

Patients are instructed to stop use and consult a healthcare professional if any new symptoms arise, if redness or swelling is observed, if pain worsens or persists for more than 10 days, or if fever intensifies or lasts longer than 3 days.

It is recommended that patients with liver disease consult a doctor prior to using this product. Furthermore, individuals taking the blood-thinning medication warfarin should seek advice from a healthcare provider or pharmacist before use.

Drug Interactions

Patients taking the anticoagulant warfarin should consult a healthcare professional prior to initiating treatment with this medication. The interaction between this drug and warfarin may necessitate careful monitoring of coagulation parameters to ensure therapeutic efficacy and minimize the risk of adverse effects. Adjustments to the dosage of warfarin may be required based on the clinical judgment of the healthcare provider.

Packaging & NDC

Below are the non-prescription pack sizes of Tension Headache (acetaminophen, caffeine). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Tension Headache.
Details

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, with a maximum of 6 caplets in a 24-hour period.

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. It is essential to evaluate the potential risks and benefits associated with its use during pregnancy and lactation. The safety of this medication in pregnant women has not been established, and caution is advised to ensure the well-being of both the mother and the fetus.

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 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 absence of 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 exercise caution when using this product, as it contains acetaminophen, which is associated with the risk of severe liver damage. It is critical for patients to adhere to the following guidelines to minimize the risk of hepatotoxicity:

  • Patients should not exceed a maximum dosage of 4,000 mg of acetaminophen within a 24-hour period.

  • Concurrent use with other medications containing acetaminophen is contraindicated, as this may lead to unintentional overdose and increased risk of liver damage.

  • Consumption of three or more alcoholic drinks daily while using this product is not recommended, as it may exacerbate the risk of liver injury.

Additionally, patients with a history of liver disease are advised to consult a healthcare professional prior to using this product to ensure safe and appropriate use. Regular monitoring of liver function may be warranted in patients with compromised liver function to detect any potential adverse effects promptly.

Overdosage

In the event of an 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 apparent.

Healthcare professionals should be aware that the absence of symptoms does not preclude the possibility of serious complications. 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 assessment of potential risks associated with the use of the compound in these contexts.

Postmarketing Experience

Postmarketing experience has indicated that acetaminophen may be associated with severe skin reactions. Reported symptoms include blisters, rash, and skin reddening. In the event of a skin reaction, it is advised that users discontinue use and seek medical assistance promptly.

Patient Counseling

Healthcare providers should advise patients to seek immediate medical assistance or contact a Poison Control Center in the event of an overdose, emphasizing that prompt medical attention is critical for both adults and children, even if no signs or symptoms are apparent.

Patients should be informed not to use this medication in conjunction with any other drug that contains 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.

Healthcare providers should instruct patients to discontinue use and consult a doctor if any new symptoms arise. Additionally, patients should be advised to stop using the medication and seek medical advice if they experience redness or swelling, if pain worsens or persists for more than 10 days, or if fever intensifies or lasts longer than 3 days.

It is important for healthcare providers to remind patients to consult a doctor before using this medication if they have a history of liver disease. Furthermore, patients taking the blood-thinning medication warfarin should be advised to speak with a doctor or pharmacist prior to use to ensure safety and avoid potential interactions.

Storage and Handling

The product is supplied in packaging that includes specific NDC numbers, which can be referenced for identification. It should be stored at a controlled room temperature of 25ºC (77ºF), with permissible excursions between 15ºC and 30ºC (59ºF to 86ºF).

Healthcare professionals are advised to check the end flap of the packaging for the expiration date and lot number to ensure proper tracking and compliance with safety standards.

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 crucial to keep the medication out of reach of children. In the event of an overdose, patients should seek medical assistance 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 Information (PDF)

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

View product document (PDF)

Data Generation & Sources

This page was automatically generated and is maintained by the AllDrugs AI Data-Science Team. It was built from the FDA Structured Product Label (DailyMed) for Tension Headache, retrieved by a validated AI data-extraction workflow.

All FDA-listed dosage forms and strengths are shown in the Packaging & NDC Codes section above. Regulatory status appears in the Summary Information panel above and was verified in the FDA National Drug Code directory and the NSDE NDC Directory daily file.

Note: an automated daemon monitors NSDE checksums; when the record for this NDC changes, the new file is pulled instantly and this page is refreshed.

No human clinician has reviewed this version.

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Orange Book data shown on this page are limited to Regulatory Status (Rx), Established Pharmacologic Class (EPC), and Mechanism of Action (MoA).

Regulatory data notice: Information on this page is reproduced verbatim from FDA public databases (NSDE, Orange Book, Purple Book, DailyMed SPL). NDA/ANDA drugs are FDA-approved, BLA biologics are FDA-licensed. Inclusion alone does not guarantee current market availability or imply FDA endorsement.

Medical disclaimer: This AI-generated content is provided for educational purposes only and does not constitute medical advice. Always consult a licensed healthcare professional for diagnosis or treatment decisions.