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Antacid

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Active ingredient
Calcium Carbonate 1000 mg
Other brand names
Dosage form
Tablet, Chewable
Route
Oral
Prescription status
OTC (over the counter)
Pregnancy
See Pregnancy Use Section
Lactation
See Lactation Use Section
Marketed in the U.S.
Since 2017
Label revision date
October 24, 2025
Drug Information (PDF)
Prescribing information, PDF file
Active ingredient
Calcium Carbonate 1000 mg
Other brand names
Dosage form
Tablet, Chewable
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Pregnancy
See Pregnancy Use Section
Lactation
See Lactation Use Section
Marketed in the U.S.
Since 2017
Label revision date
October 24, 2025
Manufacturer
Meijer Distribution Inc
Registration number
M001
NDC root
41250-723
Drug Information (PDF)
Prescribing information, PDF file
Packaging Info
Packaging & NDC Codes

If you are a healthcare professional or from the pharmaceutical industry please visit this version.

If you are a consumer or patient please visit this version.

Drug Overview

Meijer® is an over-the-counter antacid that comes in chewable tablet form, containing 1000 mg of calcium carbonate. It is designed to provide fast relief from common digestive discomforts such as heartburn, sour stomach, acid indigestion, and upset stomach associated with these symptoms. The tablets are flavored with assorted berries and are gluten-free, making them a convenient option for those seeking quick relief from these issues.

Uses

If you're experiencing discomfort from heartburn, sour stomach, or acid indigestion, this medication can help relieve those symptoms. It’s also effective for soothing an upset stomach that may be associated with these issues.

You can feel confident using this medication, as there are no known teratogenic effects (which means it doesn't cause birth defects) or nonteratogenic effects reported.

Dosage and Administration

If you are an adult or a child aged 12 years and older, you can take this medication by chewing 2 to 3 tablets whenever you experience symptoms, or as your doctor recommends. It's important to follow these instructions carefully to ensure the medication works effectively for you.

However, if your symptoms last longer than 2 weeks, you should not continue taking the medication without consulting your doctor. This is crucial to ensure that you receive the appropriate care and to rule out any underlying issues. Always prioritize your health and seek professional advice when needed.

What to Avoid

It's important to use this medication safely to avoid potential risks. You should not take more than 7 tablets in a 24-hour period. If you are pregnant, limit your intake to no more than 5 tablets in the same timeframe. Additionally, do not use the maximum dosage for more than 2 weeks unless your doctor has advised and is supervising you.

By following these guidelines, you can help ensure your safety while using this medication. If you have any questions or concerns, please consult your healthcare provider for personalized advice.

Side Effects

It's important to be aware of potential side effects when using this product. You should consult with your doctor or pharmacist if you are currently taking any prescription medications, as antacids can interact with them. While using this product, do not exceed 7 tablets in a 24-hour period, and if you are pregnant, limit your intake to 5 tablets in the same timeframe. Additionally, avoid using the maximum dosage for more than 2 weeks unless directed by a healthcare professional.

Always keep this product out of reach of children to ensure their safety.

Warnings and Precautions

Before using this medication, it's important to consult with your doctor or pharmacist, especially if you are currently taking any prescription drugs, as antacids can interact with them.

Be mindful of the dosage: do not exceed 7 tablets in a 24-hour period, and if you are pregnant, limit your intake to no more than 5 tablets in the same timeframe. Additionally, avoid using the maximum dosage for more than 2 weeks unless directed by your doctor.

While there are no specific lab tests required for monitoring, if you experience any unusual symptoms or have concerns, it's best to reach out to your healthcare provider for guidance.

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. Providing them with details about the medication and the amount taken can be very helpful. Always remember that when it comes to medications, it’s better to be safe and get professional assistance if you have any concerns.

Pregnancy Use

If you are pregnant, it’s important to be cautious with medication. You should not take more than 5 tablets in a 24-hour period. Additionally, avoid using the maximum dosage for more than 2 weeks unless your doctor has advised and is supervising you. Always consult with your healthcare provider before taking any medication during pregnancy to ensure the safety of you and your baby.

Lactation Use

If you are breastfeeding or planning to breastfeed, it's important to be aware that there is no specific information available regarding the use of this medication during nursing. This means that the effects on breast milk and your baby are not clearly defined.

As always, it's best to consult with your healthcare provider about any medications you are considering while breastfeeding. They can help you weigh the potential risks and benefits to ensure the safety of both you and your baby.

Pediatric Use

When using this medication for children, it's important to note that it is intended for adults and children aged 12 years and older. If your child is within this age range, they can chew 2-3 tablets as needed for symptoms, or follow your doctor's instructions.

Always ensure that this medication is kept out of reach of younger children to prevent accidental ingestion. If you have any concerns or questions about its use, consult your healthcare provider for guidance.

Geriatric Use

While there is no specific information available about the use of this medication in older adults, it’s important to approach any new treatment with caution. If you or a loved one is an older adult, be sure to discuss any potential risks or concerns with your healthcare provider. They can help determine the best approach, considering any unique health needs or conditions that may be present. Always follow their guidance on dosage and safety to ensure the best outcomes.

Renal Impairment

If you have kidney problems, it's important to know that the information provided does not include specific guidelines for dosage adjustments, special monitoring, or safety considerations related to renal impairment (kidney issues). This means that there are no tailored recommendations for how your treatment may need to change based on your kidney function.

Always consult your healthcare provider for personalized advice and to ensure that your treatment is safe and effective for your specific condition. They can help you understand any necessary precautions or adjustments based on your kidney health.

Hepatic Impairment

If you have liver problems, it's important to know that the information provided does not include specific guidelines for dosage adjustments, special monitoring, or precautions related to your condition. This means that there are no tailored recommendations for how the medication may affect you differently due to your liver health.

Always consult your healthcare provider for personalized advice and to ensure that any treatment plan is safe and effective for your specific situation. They can help monitor your liver function and make any necessary adjustments to your care.

Drug Interactions

It's important to have open conversations with your healthcare provider about any medications or tests you may be taking. While there are no specific drug interactions or laboratory test interactions noted for this medication, your healthcare provider can help ensure that everything you are taking works well together and is safe for you.

Always feel free to ask questions and share your complete list of medications and any lab tests you may be undergoing. This way, you can receive the best possible care tailored to your needs.

Storage and Handling

To ensure the best performance of your product, store it at room temperature and make sure the container is tightly closed. This helps maintain its effectiveness and prevents contamination. Always handle the product with care to avoid any damage. Following these simple storage and handling guidelines will help you use the product safely and effectively.

Additional Information

This medication is taken orally. Before using it, you should consult with your doctor or pharmacist, especially if you are currently taking any prescription medications, as antacids can interact with some of them.

When using this product, remember not to exceed 7 tablets in a 24-hour period. If you are pregnant, limit your intake to no more than 5 tablets in 24 hours. Additionally, avoid using the maximum dosage for more than 2 weeks unless directed by your doctor.

FAQ

What is Meijer®?

Meijer® is an antacid tablet containing 1000 mg of Calcium Carbonate, available in assorted berries flavor and is gluten-free.

What symptoms does Meijer® relieve?

Meijer® relieves heartburn, sour stomach, acid indigestion, and upset stomach associated with these symptoms.

How should I take Meijer®?

Adults and children 12 years and older should chew 2-3 tablets as symptoms occur, or as directed by a doctor.

What is the maximum dosage for Meijer®?

Do not take more than 7 tablets in 24 hours, and if pregnant, do not take more than 5 tablets in 24 hours.

Can I use Meijer® for more than 2 weeks?

You should not use the maximum dosage for more than 2 weeks unless advised by a doctor.

Are there any warnings for using Meijer®?

Yes, ask a doctor or pharmacist before use if you are taking a prescription drug, as antacids may interact with certain medications.

What should I do if the seal under the cap is torn or missing?

Do not use Meijer® if the printed seal under the cap is torn or missing.

How should I store Meijer®?

Store Meijer® at room temperature and keep the container tightly closed.

Is there any information regarding use during pregnancy?

If pregnant, do not take more than 5 tablets in 24 hours, and consult a doctor for advice.

Is there any information regarding nursing mothers?

No specific information is provided regarding the use of Meijer® by nursing mothers.

Packaging Info

Below are the non-prescription pack sizes of Antacid (calcium carbonate). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Antacid.
Details

Drug Information (PDF)

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

View product document (PDF)

Description

Calcium Carbonate is presented in a dosage form of 1000 mg.

Uses and Indications

This drug is indicated for the relief of heartburn, sour stomach, acid indigestion, and upset stomach associated with these symptoms.

There are no teratogenic or nonteratogenic effects reported for this medication.

Dosage and Administration

Adults and children aged 12 years and older are instructed to chew 2 to 3 tablets as symptoms occur, or as directed by a healthcare professional. It is important to note that this medication should not be taken for symptoms that persist for more than 2 weeks unless advised by a doctor.

Contraindications

Use is contraindicated in the following situations:

Patients should not exceed a dosage of 7 tablets within a 24-hour period. In pregnant individuals, the maximum dosage should not exceed 5 tablets in 24 hours. Additionally, the maximum dosage should not be used for more than 2 weeks unless under the advice and supervision of a healthcare professional.

Warnings and Precautions

Healthcare professionals should advise patients to consult with a doctor or pharmacist prior to use if they are currently taking any prescription medications, as antacids may interact with certain drugs.

It is crucial to adhere to the recommended dosage guidelines. Patients should not exceed 7 tablets within a 24-hour period. For pregnant individuals, the maximum dosage should not exceed 5 tablets in a 24-hour timeframe. Furthermore, the maximum dosage should not be utilized for more than 2 weeks unless directed and monitored by a healthcare provider.

Currently, there are no specific laboratory tests recommended for monitoring the use of this medication. However, healthcare professionals should remain vigilant for any potential interactions or adverse effects in patients taking concurrent medications.

Side Effects

Patients should be aware of the potential adverse reactions associated with the use of this product. It is important to consult a doctor or pharmacist before use, particularly if the patient is currently taking a prescription drug, as antacids may interact with certain medications.

When using this product, patients are advised not to exceed 7 tablets in a 24-hour period. For pregnant individuals, the maximum dosage should not exceed 5 tablets in 24 hours. Additionally, the maximum dosage should not be used for more than 2 weeks unless under the advice and supervision of a healthcare professional.

To ensure safety, this product should be kept out of reach of children.

Drug Interactions

There are currently no documented drug interactions associated with this medication. Additionally, there are no known interactions with laboratory tests. As such, no specific recommendations for dosage adjustments or monitoring are warranted at this time.

Packaging & NDC

Below are the non-prescription pack sizes of Antacid (calcium carbonate). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Antacid.
Details

Pediatric Use

Pediatric patients aged 12 years and older may chew 2-3 tablets as symptoms occur, or as directed by a healthcare professional. It is important to keep this medication out of reach of children to ensure safety.

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. Monitoring for potential adverse effects and therapeutic efficacy is recommended in this population.

Pregnancy

Pregnant patients should not exceed a dosage of 5 tablets within a 24-hour period. It is advised that the maximum dosage not be used for more than 2 weeks unless under the guidance and supervision of a healthcare professional. The potential risks associated with exceeding these recommendations during pregnancy have not been fully established, and caution is warranted to avoid any adverse fetal outcomes. Healthcare providers should carefully evaluate the benefits and risks when prescribing this medication to pregnant patients.

Lactation

There is no specific information available regarding the use of this medication in nursing mothers or lactation considerations. Healthcare professionals should exercise caution and consider the potential risks and benefits when prescribing this medication to lactating mothers. Further research may be necessary to fully understand the implications for breastfed infants.

Renal Impairment

Patients with renal impairment have not been specifically addressed in the available prescribing information. There are no dosage adjustments, special monitoring requirements, or safety considerations outlined for individuals with reduced kidney function. Healthcare professionals should exercise caution and consider the lack of data when prescribing to this patient population.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in clinical trials, and there is no available information regarding dosage adjustments, special monitoring, or precautions for this population. Therefore, the safety and efficacy of the medication in patients with compromised liver function remain undetermined. It is recommended that healthcare providers exercise caution when prescribing this medication to patients with hepatic impairment, considering the lack of data and potential risks associated with altered drug metabolism in this population.

Overdosage

In the absence of specific overdosage information, it is essential for healthcare professionals to remain vigilant regarding the potential risks associated with excessive dosing of the medication.

Healthcare providers are advised to monitor patients closely for any signs of adverse reactions or symptoms that may arise from an overdose. In the event of suspected overdosage, immediate medical attention should be sought.

Management of overdosage typically involves supportive care, which may include symptomatic treatment and monitoring of vital signs. Healthcare professionals should refer to established protocols and guidelines for the management of overdose situations relevant to the specific medication in question.

It is crucial to consult local poison control centers or toxicology experts for further guidance on the appropriate management strategies in cases of suspected overdosage.

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 in these areas limits the understanding of the compound's safety profile in nonclinical settings.

Postmarketing Experience

No postmarketing experience details are available in the insert.

Patient Counseling

Healthcare providers should advise patients to keep the medication out of reach of children to prevent accidental ingestion. It is important to inform patients not to exceed a dosage of 7 tablets within a 24-hour period. For pregnant patients, they should be cautioned to limit their intake to no more than 5 tablets in a 24-hour period.

Providers should emphasize that the maximum dosage should not be used for more than 2 weeks unless directed and supervised by a healthcare professional. Additionally, patients should be encouraged to consult with their doctor or pharmacist before using this medication if they are currently taking any prescription drugs, as antacids may interact with certain medications.

Storage and Handling

The product is supplied in a container that must be kept tightly closed to maintain its integrity. It should be stored at room temperature, ensuring that it is protected from extreme temperatures and humidity. Proper storage conditions are essential to preserve the quality and efficacy of the product.

Additional Clinical Information

The product is administered orally. Clinicians should advise patients to consult a doctor or pharmacist prior to use if they are currently taking any prescription medications, as antacids may interact with certain drugs. Patients are instructed not to exceed 7 tablets within a 24-hour period, and pregnant individuals should limit their intake to no more than 5 tablets in the same timeframe. Additionally, the maximum dosage should not be used for more than 2 weeks unless directed and supervised by a healthcare professional.

Drug Information (PDF)

This file contains official product information for Antacid, 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 Antacid, 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

Last AI update:

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.