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Allergy

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Active ingredients
  • Chlorpheniramine Maleate 2 mg
  • Acetaminophen 325 mg
  • Phenylephrine Hydrochloride 5 mg
Other brand names
Drug classes
Histamine-1 Receptor Antagonist, alpha-1 Adrenergic Agonist
Dosage form
Tablet, Film Coated
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2005
Label revision date
January 6, 2026
Active ingredients
  • Chlorpheniramine Maleate 2 mg
  • Acetaminophen 325 mg
  • Phenylephrine Hydrochloride 5 mg
Other brand names
Drug classes
Histamine-1 Receptor Antagonist, alpha-1 Adrenergic Agonist
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 2005
Label revision date
January 6, 2026
Manufacturer
Cardinal Health 110, LLC. DBA Leader
Registration number
M012
NDC root
70000-0211

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Drug Overview

LEADER™ Allergy Multi-Symptom is a medication designed to provide temporary relief from the symptoms of hay fever and other upper respiratory allergies. It contains three active ingredients: acetaminophen (a pain reliever), chlorpheniramine maleate (an antihistamine that helps reduce allergy symptoms), and phenylephrine HCl (a nasal decongestant that helps clear nasal passages).

This product can help alleviate a variety of symptoms, including headaches, nasal congestion, runny nose, sneezing, itchy and watery eyes, and sinus pressure. By combining these ingredients, LEADER™ Allergy Multi-Symptom works to relieve discomfort and improve your overall well-being during allergy season.

Uses

If you're dealing with hay fever or other upper respiratory allergies, this medication can help provide temporary relief from a variety of bothersome symptoms. You may find that it alleviates headaches, nasal congestion, a runny nose, sneezing, and even minor aches and pains. Additionally, it can help ease sinus congestion and pressure, making it easier for you to breathe.

This medication also targets other common hay fever symptoms, such as itchy, watery eyes and itching in your nose or throat. By helping to clear your nasal passages and decongest sinus openings, it can make your day-to-day activities more comfortable when allergies strike.

Dosage and Administration

It's important to follow the dosage instructions carefully to ensure your safety and effectiveness of the medication. If you are an adult or a child aged 12 years and older, you should take 2 caplets every 4 hours as needed. Make sure to swallow the caplets whole; do not crush, chew, or dissolve them. Remember, you should not take more than 10 caplets in a 24-hour period.

If the person taking the medication is under 12 years old, it's essential to consult a doctor for the appropriate dosage. Always adhere to these guidelines and do not exceed the recommended amounts to avoid any potential risks.

What to Avoid

You should avoid using this product if you are currently taking any other medication that contains acetaminophen, whether it's a prescription or over-the-counter drug. If you're unsure about a medication, it's best to consult with your doctor or pharmacist. Additionally, do not use this product if you are taking a prescription monoamine oxidase inhibitor (MAOI) for depression, psychiatric conditions, or Parkinson’s disease, or for two weeks after stopping an MAOI. If you have a history of allergic reactions to this product or any of its ingredients, you should also refrain from using it.

While using this product, make sure not to exceed the recommended dosage, as doing so can lead to serious health issues. It's also important to avoid consuming alcoholic beverages, as this can increase the risk of side effects and complications. Always prioritize your safety and well-being by following these guidelines.

Side Effects

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.

You should stop using this product and consult a doctor if you experience nervousness, dizziness, or sleeplessness, if your pain or nasal congestion worsens or lasts more than seven days, or if you develop new symptoms or a fever that lasts more than three days. Additionally, be cautious of drowsiness, especially if you are using alcohol, sedatives, or tranquilizers, and avoid driving or operating machinery until you know how the product affects you. If you have certain health conditions, such as liver disease, heart disease, or high blood pressure, or if you are taking medications like warfarin, consult your doctor before use.

Warnings and Precautions

This product contains acetaminophen, which can lead to severe liver damage if you take more than 4,000 mg in a day, 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 experience any skin reactions, stop using the product and seek medical help immediately.

Before using this product, consult your doctor if you have any of the following conditions: difficulty urinating due to an enlarged prostate, high blood pressure, breathing issues like emphysema or chronic bronchitis, heart disease, thyroid disease, diabetes, liver disease, or glaucoma. Additionally, check with your doctor or pharmacist if you are taking blood thinners like warfarin or sedatives.

If you suspect an accidental overdose, seek emergency medical help or contact a Poison Control Center right away, even if you don't notice any symptoms. You should also stop using the product and call your doctor if you experience nervousness, dizziness, sleeplessness, worsening pain or nasal congestion lasting more than seven days, new symptoms, or a fever that worsens or lasts more than three days, as these could indicate a serious condition.

Overdose

If you suspect an accidental 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. If you notice any of these symptoms, don’t hesitate to get help right away. Remember, acting quickly can make a significant difference in ensuring safety and health.

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 are considering using this product for your child, it's important to consult with a doctor first if your child is under 12 years old. This is to ensure their safety and proper use.

While using this product, be aware that it may cause excitability, particularly in children. For adults and children aged 12 and older, the recommended dosage is 2 caplets every 4 hours, but do not exceed 10 caplets in a 24-hour period. Always follow these guidelines to help keep your child safe.

Geriatric Use

Before using this product, it's important to consult your doctor if you have any of the following conditions: difficulty urinating due to an enlarged prostate, high blood pressure, breathing issues like emphysema or chronic bronchitis, heart disease, thyroid disease, diabetes, liver disease, or glaucoma. Additionally, if you are taking blood thinners like warfarin or sedatives, please check with your doctor or pharmacist first.

While using this product, be aware that alcohol, sedatives, and tranquilizers can increase drowsiness, so use caution when driving or operating machinery. If you experience nervousness, dizziness, sleeplessness, worsening pain or nasal congestion lasting more than 7 days, new symptoms, or a fever that worsens or lasts more than 3 days, stop using the product and consult your doctor. If you are pregnant or breastfeeding, seek advice from a healthcare professional before use. Always keep this product out of reach of children, and in case of accidental overdose, seek medical help immediately, even if no symptoms are present.

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 be aware of how certain medications and substances can interact with each other. For instance, if you take acetaminophen (a common pain reliever) along with warfarin (a blood thinner), it may enhance the effects of warfarin, which could increase your risk of bleeding. If you find yourself using both, your healthcare provider may want to monitor your INR (a blood test that measures how long it takes your blood to clot) more closely.

Additionally, combining this product with alcohol, sedatives, or tranquilizers can lead to increased drowsiness. To ensure your safety and the effectiveness of your treatments, always discuss any medications or tests with your healthcare provider. They can help you navigate these interactions and make informed decisions about your health.

Storage and Handling

To ensure the best quality and safety of your product, store it at room temperature, ideally around 25°C (77°F). It’s acceptable for the temperature to vary between 15°-30°C (59°-86°F), but try to keep it within this range. Always check the outer package before use; if it’s opened or if the blister is torn or broken, do not use the product. Additionally, make sure to look at the end flap for the expiration date and lot number to confirm its validity.

By following these simple storage and handling guidelines, you can help maintain the product's effectiveness and safety.

Additional Information

You should take this medication orally, with a recommended dosage of 2 caplets every 4 hours. However, do not exceed 10 caplets in a 24-hour period. If you are pregnant or breastfeeding, it's important to consult a healthcare professional before using this medication.

Keep this medicine out of reach of children. In the event of an accidental 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™ Allergy Multi-Symptom used for?

LEADER™ Allergy Multi-Symptom is used to temporarily relieve symptoms of hay fever or other upper respiratory allergies, including headache, nasal congestion, runny nose, sneezing, and itchy, watery eyes.

What are the active ingredients in LEADER™ Allergy Multi-Symptom?

The active ingredients are Acetaminophen, Chlorpheniramine maleate, and Phenylephrine HCl.

How should I take LEADER™ Allergy Multi-Symptom?

Adults and children 12 years and over should take 2 caplets every 4 hours, without exceeding 10 caplets in 24 hours. Swallow the caplets whole; do not crush, chew, or dissolve them.

Are there any warnings associated with this product?

Yes, you should not exceed the recommended dosage, and it contains acetaminophen, which can cause severe liver damage if taken in excess or with other acetaminophen-containing drugs.

What should I do if I experience side effects?

Stop using the product and consult a doctor if you experience nervousness, dizziness, sleeplessness, or if symptoms worsen or new symptoms occur.

Can I use LEADER™ Allergy Multi-Symptom if I am pregnant or breastfeeding?

If you are pregnant or breastfeeding, you should ask a health professional before using this product.

What should I do in case of an accidental overdose?

In case of accidental overdose, seek medical help or contact a Poison Control Center immediately, as prompt medical attention is critical.

Is there a money-back guarantee for this product?

Yes, LEADER™ Allergy Multi-Symptom comes with a 100% money-back guarantee.

How should I store LEADER™ Allergy Multi-Symptom?

Store the product at 25°C (77°F), with permitted excursions between 15°-30°C (59°-86°F).

Who distributes LEADER™ Allergy Multi-Symptom?

It is distributed by CAH, Dublin, OH 43017.

Packaging Info

Below are the non-prescription pack sizes of Allergy (acetaminophen, chlorpheniramine maleate, phenylephrine hcl). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Allergy.
Details

Drug Information (PDF)

This file contains official product information for Allergy, 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 specified drug.

Uses and Indications

This drug is indicated for the temporary relief of symptoms associated with hay fever or other upper respiratory allergies. These symptoms include headache, nasal congestion, runny nose, sneezing, minor aches and pains, sinus congestion, and pressure. Additionally, it provides relief from itchy, watery eyes and itching of the nose or throat.

This drug also aids in clearing nasal passages and decongesting sinus openings and passages.

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

Dosage and Administration

Adults and children aged 12 years and over are instructed to take 2 caplets every 4 hours as needed. The caplets should be swallowed whole; they must not be crushed, chewed, or dissolved. It is imperative that no more than 10 caplets are taken within a 24-hour period.

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

Contraindications

Use of this product is contraindicated in the following situations:

  • Concurrent use with any other drug containing acetaminophen, whether prescription or nonprescription, due to the risk of acetaminophen overdose. If uncertain about the presence of acetaminophen in other medications, consult a healthcare professional.

  • In patients currently taking a prescription monoamine oxidase inhibitor (MAOI) or within 2 weeks of discontinuing such treatment, as this may lead to serious interactions. If there is uncertainty regarding the presence of an MAOI in a prescription, seek guidance from a healthcare professional.

  • In individuals with a known allergy to this product or any of its ingredients, due to the risk of severe allergic reactions.

Warnings and Precautions

This product contains acetaminophen, which carries a significant risk of severe liver damage if not used according to the guidelines. Healthcare professionals should advise patients that the maximum recommended dosage is 4,000 mg of acetaminophen within a 24-hour period. Caution is particularly warranted if patients are concurrently using other medications containing acetaminophen or consuming three or more alcoholic beverages daily while taking this product.

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

General precautions should be taken for patients with specific medical conditions. Prior to use, patients should consult a healthcare provider if they have difficulty urinating due to prostate enlargement, high blood pressure, respiratory issues such as emphysema or chronic bronchitis, heart disease, thyroid disease, diabetes, liver disease, or glaucoma. Additionally, patients should seek advice from a doctor or pharmacist if they are currently taking blood thinners such as warfarin or sedatives and tranquilizers.

In cases of accidental overdose, it is imperative to obtain emergency medical help or contact a Poison Control Center immediately. Prompt medical attention is crucial for both adults and children, even if no signs or symptoms are initially apparent.

Patients should be instructed to stop taking the product and consult a healthcare provider if they experience nervousness, dizziness, or sleeplessness. They should also seek medical advice if pain or nasal congestion worsens or persists beyond seven days, if new symptoms arise, or if fever intensifies or lasts more than three days. The presence of redness or swelling should also prompt immediate medical consultation, as these may indicate a serious underlying condition.

Side Effects

Severe liver damage may occur in patients taking this product containing acetaminophen if they exceed 4,000 mg in 24 hours, use other drugs 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 blisters, rash, or skin reddening. In the event of a skin reaction, patients are advised to discontinue use and seek medical assistance immediately.

Patients should stop using this product and consult a healthcare professional if they experience nervousness, dizziness, or sleeplessness; if pain or nasal congestion worsens or persists beyond seven days; if new symptoms arise; if fever worsens or lasts more than three days; or if redness or swelling is observed, as these may indicate a serious condition.

While using this product, patients are cautioned not to exceed the recommended dosage. Excitability may occur, particularly in children. The use of alcohol, sedatives, and tranquilizers may enhance drowsiness, and patients are advised to avoid alcoholic beverages. Caution is recommended when driving a motor vehicle or operating machinery due to the potential for drowsiness.

Patients should consult a healthcare provider prior to use if they have difficulty urinating due to prostate gland enlargement, high blood pressure, breathing problems such as emphysema or chronic bronchitis, heart disease, thyroid disease, diabetes, liver disease, or glaucoma. Additionally, patients taking the blood-thinning medication warfarin or those using sedatives or tranquilizers should seek advice from a doctor or pharmacist before using this product.

Drug Interactions

Acetaminophen has the potential to enhance the anticoagulant effects of warfarin, which may result in an elevated risk of bleeding. It is recommended that the International Normalized Ratio (INR) be monitored closely in patients who are receiving both acetaminophen and warfarin concurrently.

Concomitant use of alcohol, sedatives, and tranquilizers with this product may lead to increased drowsiness. Caution is advised when these substances are taken together, and patients should be monitored for enhanced sedation effects.

Packaging & NDC

Below are the non-prescription pack sizes of Allergy (acetaminophen, chlorpheniramine maleate, phenylephrine hcl). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Allergy.
Details

Pediatric Use

Pediatric patients under 12 years of age should consult a healthcare professional before using this product. When administered, excitability may occur, particularly in children.

For dosing, adults and children aged 12 years and older are directed to take 2 caplets every 4 hours, with a maximum of 10 caplets in a 24-hour period.

Geriatric Use

Elderly patients should exercise caution when using this product, particularly those aged 65 and older, due to the increased likelihood of comorbidities and the potential for adverse effects. It is advisable for geriatric patients to consult a healthcare provider prior to use if they have any of the following conditions: difficulty in urination due to prostate gland enlargement, high blood pressure, respiratory issues such as emphysema or chronic bronchitis, heart disease, thyroid disease, diabetes, liver disease, or glaucoma.

Additionally, elderly patients should seek guidance from a doctor or pharmacist if they are currently taking anticoagulants such as warfarin or any sedatives or tranquilizers, as these medications may interact with the product.

While using this product, geriatric patients should be aware that alcohol, sedatives, and tranquilizers may enhance drowsiness. Caution is advised when driving or operating machinery, as drowsiness may occur.

Elderly patients are encouraged to discontinue use and consult a healthcare provider if they experience nervousness, dizziness, or sleeplessness. They should also seek medical advice if pain or nasal congestion worsens or persists beyond 7 days, if new symptoms arise, if fever intensifies or lasts more than 3 days, or if there is any redness or swelling.

For those who are pregnant or breastfeeding, it is essential to consult a health professional before use. Furthermore, this product should be kept out of reach of children. In the event of an accidental overdose, immediate medical assistance should be sought, or contact with a Poison Control Center is recommended, as prompt medical attention is critical for both adults and children, even in the absence of noticeable signs or symptoms.

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 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. 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 cumulative dosing and increase the risk of liver damage.

  • Consumption of three or more alcoholic drinks per day while using this product is not recommended, as it may exacerbate the potential for 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 accidental overdose, it is imperative to seek immediate medical assistance or contact a Poison Control Center without delay. Prompt medical attention is crucial for both adults and children, even in the absence of noticeable signs or symptoms.

Healthcare professionals are advised to remain vigilant and proactive in managing potential overdose situations. Early intervention can significantly impact the outcome, underscoring the importance of timely communication with medical authorities.

Nonclinical Toxicology

If pregnant or breastfeeding, it is advised to consult a health professional prior to use. No specific non-teratogenic effects have been identified in the available data. Additionally, there are no detailed findings regarding nonclinical toxicology or animal pharmacology and toxicology provided in the current information.

Postmarketing Experience

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

Patient Counseling

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

Patients should be instructed not to exceed the recommended dosage to avoid potential adverse effects. It is important to inform patients that excitability may occur, particularly in children, and that drowsiness is a possible side effect. Therefore, patients should be cautioned against consuming alcoholic beverages, as well as sedatives and tranquilizers, which may enhance drowsiness.

Providers should emphasize the importance of using caution when driving a motor vehicle or operating machinery due to the risk of drowsiness.

Patients should be encouraged to consult with their healthcare provider before use if they have any of the following conditions: difficulty in urination due to enlargement of the prostate gland, high blood pressure, breathing problems such as emphysema or chronic bronchitis, heart disease, thyroid disease, diabetes, liver disease, or glaucoma.

Additionally, patients should be advised to speak with their doctor or pharmacist prior to use if they are currently taking the blood-thinning medication warfarin or any sedatives or tranquilizers.

Storage and Handling

The product is supplied in a tamper-evident package. It should not be used if the outer package is opened or if the blister is torn or broken. The recommended storage temperature is 25°C (77°F), with permissible excursions between 15°-30°C (59°-86°F). Healthcare professionals are advised to check the end flap of the package for the expiration date and lot number to ensure product integrity and safety.

Additional Clinical Information

Patients should be informed that the medication is administered orally, with a recommended dosage of 2 caplets every 4 hours, not to exceed 10 caplets within a 24-hour period. 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 accidental overdose, patients must seek medical assistance or contact a Poison Control Center immediately, as prompt medical attention is essential for both adults and children, regardless of the presence of symptoms.

Drug Information (PDF)

This file contains official product information for Allergy, 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 Allergy, 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.

Learn more in our Editorial Policy

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Primary FDA sources:

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.