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Backaid

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Active ingredients
  • Acetaminophen 500 mg
  • Caffeine 75 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 2024
Label revision date
October 21, 2025
Active ingredients
  • Acetaminophen 500 mg
  • Caffeine 75 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 2024
Label revision date
October 21, 2025
Manufacturer
Kobayashi Healthcare International, Inc.
Registration number
M013
NDC root
52389-253

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Drug Overview

This medication is designed to provide temporary relief from minor aches and pains, including those associated with backaches, muscular aches, and headaches. It can be a helpful option when you're looking for quick comfort from these common discomforts.

Uses

You can use this medication for the temporary relief of minor aches and pains. It is effective for various discomforts, including backaches, muscular aches, and headaches. If you're experiencing any of these types of pain, this medication may help you feel more comfortable.

It's important to note that there are no reported teratogenic effects (which means it doesn't cause birth defects) or nonteratogenic effects associated with this medication. Always consult with your healthcare provider if you have any questions or concerns about using this medication.

Dosage and Administration

When you need relief from your symptoms, you can take two caplets with a full glass of water every six hours. However, make sure not to exceed three doses, which is a total of six caplets, in a 24-hour period. It's important to follow these guidelines unless your doctor gives you different instructions.

This medication is intended for normally healthy adults. If you are under 18 years old, you should only use this medication if your doctor has specifically directed you to do so. Always consult with a healthcare professional if you have any questions or concerns about using this medication.

What to Avoid

It's important to be cautious when using medications that contain acetaminophen. You should never take this medication alongside any other drug that also contains acetaminophen, whether it's a prescription or over-the-counter product. If you're unsure whether a medication contains acetaminophen, please consult with your doctor or pharmacist for guidance.

By following this advice, you can help prevent potential health risks associated with taking too much acetaminophen, which can lead to serious complications. Always prioritize your safety and seek professional advice when needed.

Side Effects

This product contains acetaminophen, which can lead to severe liver damage if you exceed the maximum daily limit of 6 caplets, take it with other acetaminophen-containing medications, or consume 3 or more alcoholic drinks daily while using it. Additionally, be aware that acetaminophen may cause serious skin reactions, including symptoms like skin reddening, blisters, or rash. If you experience any of these skin reactions, stop using the product and seek medical help immediately.

You should also stop using this product and consult a doctor if your pain worsens or lasts more than 10 days, if your fever worsens or lasts more than 3 days, if you notice any redness or swelling, or if you develop any new symptoms. It's important to talk to a doctor before using this product if you have liver disease or are taking the blood-thinning medication warfarin.

Warnings and Precautions

This product contains acetaminophen, which can lead to severe liver damage if you exceed 6 caplets in 24 hours, take it with other medications containing acetaminophen, or consume 3 or more alcoholic drinks daily while using it. Be aware that acetaminophen may also cause serious skin reactions, such as redness, blisters, or rash. If you notice any skin issues, stop using the product and seek medical help immediately.

It's important not to combine this product with any other medications that contain acetaminophen. If you're unsure whether a medication has acetaminophen, consult your doctor or pharmacist for guidance. In case of an overdose, seek emergency medical assistance or contact a poison control center right away, even if you don't see any symptoms.

You should stop using this product and call your doctor if your pain worsens or lasts more than 10 days, if your fever gets worse or lasts more than 3 days, if you notice any redness or swelling, or if you experience any new symptoms.

Overdose

It appears that there is no specific information available regarding overdosage for this medication. However, it's important to be aware of the general signs of an overdose, which can include symptoms like extreme drowsiness, confusion, or difficulty breathing. If you suspect that you or someone else may have taken too much of a medication, it’s crucial to seek immediate medical help.

In case of an overdose, you should contact your local emergency services or go to the nearest hospital right away. Always keep the medication packaging on hand, as it can provide important information to healthcare professionals. Remember, when in doubt, it’s better to err on the side of caution and 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

It's important to remember that if you have a child under 18, any use of this medication should be guided by a doctor. Always keep the medication out of reach of children to prevent accidental ingestion. In the event of an overdose, seek medical help immediately or contact a poison control center, even if your child shows no signs of distress. Quick action is crucial for both children and adults in these situations.

Geriatric Use

This medication is intended for use by normally healthy adults. If you are caring for an older adult, it's important to ensure that they are in good health before using this medication. Additionally, if the individual is under 18 years of age, they should only use it if directed by a doctor. Always consult with a healthcare professional to confirm that this medication is appropriate for their specific health needs.

Renal Impairment

It appears that there is no specific information regarding renal impairment (kidney problems) in the provided text. Therefore, there are no guidelines, dosage adjustments, or monitoring instructions to share for patients with kidney issues. If you have concerns about how your kidney health may affect your treatment, it's important to discuss this with your healthcare provider for personalized advice and recommendations.

Hepatic Impairment

Taking this product, which contains acetaminophen, requires special attention if you have liver problems. To avoid severe liver damage, you should not exceed 6 caplets in a 24-hour period, as this is the maximum daily amount. Additionally, be cautious about using other medications that also contain acetaminophen, as this can increase the risk of liver damage. If you consume 3 or more alcoholic drinks each day, it is especially important to avoid this product, as alcohol can further strain your liver.

If you have any concerns about your liver health or how to safely use this product, please consult your healthcare provider for personalized 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, be cautious about using other products that contain it or consuming three or more alcoholic drinks daily, as this can significantly increase the risk of severe liver damage. Additionally, if you are on warfarin, a medication that helps prevent blood clots, taking acetaminophen may change how well it works, so your healthcare provider may want to monitor your INR levels (a test that measures blood clotting).

You should also limit your caffeine intake from other medications, foods, or drinks while using this product, as too much caffeine can lead to increased nervousness, irritability, and trouble sleeping. Always discuss any medications or tests with your healthcare provider to ensure your safety and the effectiveness of your treatment.

Storage and Handling

To ensure the safety and effectiveness of your BACKAID caplets, store them at room temperature and protect them from light. It's important to keep these caplets out of reach of children to prevent accidental ingestion. Before using, check that the seal is intact and that the contents match the product description; do not use the caplets if the seal is broken or if there are any discrepancies.

Once opened, please discard any unused caplets. Each BACKAID caplet is individually sealed in a clear plastic blister with a paper/foil backing or in a bottle with a safety seal under the cap, which helps maintain their quality until you're ready to use them.

Additional Information

You should take two caplets with a full glass of water every six hours while your symptoms persist, but do not exceed three doses (or six caplets) in a 24-hour period unless directed by your doctor. If you are pregnant or breastfeeding, consult a healthcare professional before using this medication.

It's important to 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. If you experience serious side effects, you can report them using the contact information provided.

FAQ

What is this drug used for?

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

What is the recommended dosage for adults?

Adults should take two (2) caplets with a full glass of water every 6 hours while symptoms persist, not to exceed 3 doses (6 caplets) in 24 hours, or as directed by a doctor.

Are there any contraindications for this drug?

Do not use this drug with any other medication containing acetaminophen. If unsure, consult a doctor or pharmacist.

What should I do if I experience a skin reaction?

If you notice symptoms like skin reddening, blisters, or rash, stop using the product and seek medical help immediately.

What are the liver warnings associated with this drug?

Severe liver damage may occur if you take more than 6 caplets in 24 hours, use it with other drugs containing acetaminophen, or consume 3 or more alcoholic drinks daily while using this product.

Can I use this drug if I am pregnant or breastfeeding?

If you are pregnant or breastfeeding, consult a health professional before using this drug.

What should I do in case of an overdose?

In case of overdose, seek medical help or contact a poison control center immediately, as prompt medical attention is critical.

What precautions should I take while using this drug?

Limit caffeine intake from other sources to avoid increased nervousness, irritability, and sleeplessness while using this product.

Who should not use this drug?

This drug is for use by normally healthy adults only. Persons under 18 years of age should use it only as directed by a doctor.

Packaging Info

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

Packaging configurations for Backaid.
Details

Drug Information (PDF)

This file contains official product information for Backaid, 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 minor aches and pains associated with backache, muscular aches, and headache.

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

Dosage and Administration

Adults are advised to take two (2) caplets with a full glass of water every 6 hours while symptoms persist. The total dosage should not exceed 3 doses (6 caplets) within a 24-hour period, unless otherwise directed by a healthcare professional.

This medication is intended for use by normally healthy adults only. For individuals under 18 years of age, usage should be strictly in accordance with a physician's instructions.

Contraindications

Use of this product is contraindicated in patients who are concurrently taking any other medication that contains acetaminophen, whether prescription or non-prescription. The combination may lead to an increased risk of acetaminophen-related toxicity. If there is uncertainty regarding the presence of acetaminophen in other medications, 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 adhere strictly to the following guidelines to mitigate the risk of liver injury:

  • Do not exceed 6 caplets within a 24-hour period, as this is the maximum daily dosage.

  • Avoid concurrent use with other medications that contain acetaminophen, whether prescription or over-the-counter.

  • Limit alcohol consumption to fewer than 3 drinks per day while using this product.

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.

It is imperative that patients do not combine this product with any other acetaminophen-containing medications. If there is uncertainty regarding the presence of acetaminophen in other medications, patients should consult a healthcare professional for clarification.

In cases of suspected overdose, immediate medical attention is essential. Patients should be instructed to contact a poison control center or seek emergency medical help without delay, as prompt intervention is critical for both adults and children, even in the absence of overt symptoms.

Patients should also be advised to discontinue use and consult a healthcare provider if any of the following occur: worsening pain that persists beyond 10 days, fever that worsens or lasts more than 3 days, the presence of redness or swelling, or the emergence of any new symptoms.

Side Effects

Severe liver damage may occur in patients taking this product containing acetaminophen if they exceed the maximum daily amount of 6 caplets within 24 hours, use it in conjunction with other drugs containing acetaminophen, or consume 3 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 beyond 10 days, if fever intensifies or lasts more than 3 days, if redness or swelling occurs, or if any new symptoms develop.

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

Drug Interactions

Acetaminophen has the potential to increase the risk of severe liver damage when used concurrently with other medications containing acetaminophen or when consumed with three or more alcoholic beverages daily.

When administered alongside warfarin, acetaminophen may alter the anticoagulant effects of warfarin. It is recommended that INR levels be closely monitored in patients receiving this combination to ensure therapeutic efficacy and safety.

Patients are advised to limit caffeine intake from other medications, foods, or beverages while using this product. Excessive caffeine consumption may lead to increased nervousness, irritability, and sleeplessness.

No additional drug interactions or laboratory test interactions have been identified.

Packaging & NDC

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

Packaging configurations for Backaid.
Details

Pediatric Use

Persons under 18 years of age should use this medication only as directed by a healthcare professional. 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 a poison control center should be contacted without delay. Prompt medical attention is critical for both adults and children, even if no signs or symptoms are initially apparent.

Geriatric Use

Elderly patients are defined as individuals aged 65 years and older. The medication is intended for use by normally healthy adults only, and there are no specific dosage adjustments recommended for geriatric patients. However, it is essential to consider that elderly patients may have different physiological responses to medications, which could necessitate careful monitoring for safety and efficacy.

Additionally, this medication is not indicated for use in individuals under 18 years of age unless directed by a healthcare provider. Therefore, healthcare professionals should exercise caution when prescribing this medication to elderly patients, ensuring that they are appropriately assessed for overall health status and any potential contraindications. Regular monitoring may be warranted to mitigate any risks associated with the use of this medication in the geriatric 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 specific data available regarding the excretion of this medication in breast milk or its effects on breastfed infants. Therefore, caution is recommended when administering this medication to lactating individuals.

Renal Impairment

There is no information available regarding renal impairment, including dosage adjustments, special monitoring, or safety considerations for patients with reduced kidney function. Healthcare professionals should exercise caution and consider the lack of specific guidance when treating patients with renal impairment.

Hepatic Impairment

Patients with hepatic impairment should exercise caution when using this product, which contains acetaminophen. It is important to note that severe liver damage may occur if patients exceed the maximum daily dosage of 6 caplets within a 24-hour period. Additionally, patients should avoid concomitant use of other medications that contain acetaminophen, as this may further increase the risk of liver injury.

Furthermore, patients with compromised liver function are advised to limit alcohol consumption to fewer than 3 alcoholic drinks per day while using this product. Monitoring of liver function is recommended for patients with existing liver conditions to ensure safety and prevent potential adverse effects.

Overdosage

In the absence of specific overdosage information, it is essential for healthcare professionals to remain vigilant and prepared for potential scenarios involving overdose.

Healthcare providers should be aware that the clinical presentation of an overdose may vary depending on the substance involved and the individual patient’s characteristics. Symptoms of overdose can range from mild to severe and may include alterations in consciousness, cardiovascular instability, respiratory distress, and gastrointestinal disturbances.

In the event of suspected overdosage, immediate medical evaluation is recommended. Healthcare professionals should assess the patient's vital signs and clinical status, and initiate supportive care as necessary. It is crucial to gather a detailed history of the substance involved, including the amount and route of administration, to guide further management.

Management procedures may include the administration of activated charcoal if the patient presents within a suitable timeframe and is not at risk of aspiration. In cases of severe toxicity, specific antidotes may be indicated, and consultation with a poison control center or a medical toxicologist is advised.

Continuous monitoring of the patient’s condition is essential, and supportive measures should be tailored to the symptoms presented. Prompt recognition and intervention can significantly improve outcomes in cases of overdose.

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. Additionally, there are no detailed findings related to nonclinical toxicology or animal pharmacology and toxicology available.

Postmarketing Experience

Serious side effects have been reported voluntarily or through surveillance programs. Healthcare professionals and patients are encouraged to report any serious adverse events to the designated phone number provided for inquiries.

Patient Counseling

Healthcare providers should advise patients to keep this medication out of reach of children to prevent accidental ingestion. In the event of an 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 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 non-prescription. If patients are uncertain whether a drug contains acetaminophen, 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 their pain worsens or persists for more than 10 days. Similarly, if a patient's fever intensifies or lasts longer than 3 days, or if they notice any redness or swelling, they should stop using the product and seek medical advice. Patients should also be advised to contact a healthcare professional if any new symptoms arise during treatment.

When using this product, it is important for patients to limit their intake of caffeine-containing medications, foods, or beverages, as excessive caffeine consumption may lead to nervousness, irritability, sleeplessness, or occasional rapid heartbeat. Patients should be made aware that the recommended dose of this product contains approximately the same amount of caffeine as one and one-half cups of coffee.

Additionally, healthcare providers should recommend that patients consult a doctor before using this product if they have liver disease. Patients taking the blood-thinning medication warfarin should also be advised to speak with a doctor or pharmacist prior to use to ensure safety and avoid potential interactions.

Storage and Handling

BACKAID caplets are supplied in clear plastic blisters with a paper/foil backing or in bottles with a safety seal under the cap. It is essential to store the product at room temperature and protect it from light.

To ensure safety, keep the product out of reach of children. Users should not use the product if the seal appears broken or if the contents do not match the product description. Additionally, it is advised to discard any remaining product after opening.

Additional Clinical Information

Patients should take two caplets with a full glass of water every six hours while symptoms persist, not exceeding three doses (six caplets) in a 24-hour period, unless directed otherwise by a healthcare professional.

Clinicians should advise patients who are pregnant or breastfeeding to consult a health professional before use. It is essential to keep the medication out of reach of children, and in the event of an overdose, patients should seek medical help or contact a poison control center immediately, as prompt medical attention is critical for both adults and children, even if no symptoms are apparent. Additionally, patients are encouraged to report any serious side effects to the designated phone number provided for inquiries.

Drug Information (PDF)

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