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Antacid Ultra Strength

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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
November 25, 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
November 25, 2025
Manufacturer
WALGREEN CO.
Registration number
M001
NDC root
0363-2103
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

Walgreens Antacid Tablets 1000 are chewable tablets that contain 1000 mg of calcium carbonate, which is an ultra-strength antacid. These tablets are designed to provide relief from heartburn, sour stomach, acid indigestion, and upset stomach associated with these symptoms. Available in assorted fruit flavors, they are also gluten-free, making them a suitable option for many individuals seeking digestive comfort.

If you're experiencing discomfort from excess stomach acid, these antacid tablets can help alleviate your symptoms effectively. They are comparable to TUMS® and are recommended by Walgreens pharmacists, ensuring a reliable choice for your antacid needs.

Uses

If you're experiencing discomfort from heartburn, a sour stomach, or acid indigestion, this medication can help relieve those symptoms. It is 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

When you need relief from certain symptoms, adults and children aged 12 and older can chew 2 to 3 tablets completely as the symptoms occur, or follow your doctor's instructions. It's important not to swallow the tablets whole, as they need to be chewed to work effectively.

If your symptoms last longer than 2 weeks, you should consult with a doctor before continuing to take the medication. This ensures that you are using the treatment safely and effectively. Always follow the guidance provided by your healthcare professional for the best results.

What to Avoid

You can feel reassured that there are no specific contraindications, controlled substance classifications, or concerns regarding abuse, misuse, or dependence associated with this medication. This means that, based on the available information, there are no known restrictions or risks that would prevent you from using it safely. Always consult with your healthcare provider if you have any questions or concerns about your treatment.

Side Effects

You may experience some side effects when using this product. It's important to be aware that taking more than 7 tablets in a 24-hour period can lead to adverse reactions. If you are pregnant, limit your intake to no more than 5 tablets in 24 hours. Additionally, using the maximum dosage for more than 2 weeks should only be done under the guidance of a doctor.

Before using this product, consult with your doctor or pharmacist, especially if you are currently taking any prescription medications, as antacids can interact with certain drugs. Always prioritize your health and safety by following these guidelines.

Warnings and Precautions

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

While using this product, please 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 your doctor has advised you to do so. If you experience any unusual symptoms or have concerns, stop using the product and contact your doctor for guidance.

Overdose

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

In case of an emergency, call your local emergency services or go to the nearest hospital. Always keep medications out of reach of children and follow the prescribed dosage to prevent any potential risks. If you have any concerns or questions about your medication, don’t hesitate to reach out to your healthcare provider for guidance.

Pregnancy Use

If you are pregnant, it is important to be cautious with medication. You should not take more than 5 tablets in a 24-hour period. Always consult with your healthcare provider before taking any medication to ensure it is safe for you and your baby. Your health and the health of your child are the top priority, so make sure to follow these guidelines closely.

Lactation Use

If you are breastfeeding, you can feel reassured that there are no specific warnings or recommendations regarding the use of this product while nursing. Additionally, there is no information available about whether this product is excreted in breast milk or any potential risks to your infant. Always consult with your healthcare provider if you have any concerns or questions about using medications while breastfeeding.

Pediatric Use

It's important to keep this medication out of reach of children to ensure their safety. For adults and children aged 12 years and older, the recommended use is to chew 2-3 tablets completely when symptoms occur, or as directed by a doctor. Please remember that the tablets should not be swallowed whole. Always consult with a healthcare professional if you have any questions about using this medication for 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 the drug insert does not provide guidelines tailored for elderly patients.

If you are caring for an older adult, it's important to consult with a healthcare professional for personalized advice. They can help determine the best approach to using this medication safely and effectively, considering any unique health needs or conditions.

Renal Impairment

If you have kidney problems, it's important to know that there are no specific guidelines or dosage adjustments mentioned for your condition in the available information. This means that the usual recommendations for monitoring or safety considerations related to renal impairment (kidney issues) are not provided.

Always consult your healthcare provider for personalized advice and to ensure that any medications you take are safe and appropriate for your kidney health. They can help you understand how your condition may affect your treatment plan.

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 determine the best approach based on your liver function and overall health.

Drug Interactions

It's important to be aware that antacids can interact with some prescription medications. If you are taking other medications, it's a good idea to consult your doctor or pharmacist before using antacids. They can help ensure that your treatments work effectively together and avoid any potential issues.

Since there are no specific drug interactions or laboratory test interactions noted, it's still essential to discuss all your medications and any tests you may undergo with your healthcare provider. This way, you can receive the best care tailored to your needs.

Storage and Handling

To ensure the best quality and safety of your product, store it at room temperature and keep the container tightly closed. This helps maintain its effectiveness and prevents contamination.

Before using, always check that the safety seal under the cap is intact. If the seal is torn or missing, do not use the product, as this could indicate that it has been compromised. Following these simple steps will help you use the product safely and effectively.

Additional Information

You will take this medication orally. There are no additional details available regarding laboratory tests, abuse potential, patient counseling, or postmarketing experiences. If you have any questions or concerns about your treatment, be sure to discuss them with your healthcare provider.

FAQ

What is Walgreens Antacid Tablets 1000 used for?

Walgreens Antacid Tablets 1000 are used to relieve heartburn, sour stomach, acid indigestion, and upset stomach associated with these symptoms.

How should I take Walgreens Antacid Tablets 1000?

Adults and children 12 years of age and over should chew 2-3 tablets completely as symptoms occur, or as directed by a doctor. Do not swallow the tablets whole.

Are there any warnings I should be aware of?

Yes, do not take more than 7 tablets in 24 hours, and if pregnant, do not take more than 5 tablets in 24 hours. Consult a doctor or pharmacist if you are taking other prescription drugs, as antacids may interact with them.

Is Walgreens Antacid Tablets 1000 safe to use during pregnancy?

While there are no teratogenic effects mentioned, pregnant women should not take more than 5 tablets in 24 hours.

What should I do if my symptoms persist?

Do not use Walgreens Antacid Tablets 1000 for symptoms that persist for more than 2 weeks unless advised by a doctor.

How should I store Walgreens Antacid Tablets 1000?

Store the tablets at room temperature and keep the container tightly closed. Do not use if the printed seal under the cap is torn or missing.

Are there any side effects associated with Walgreens Antacid Tablets 1000?

The insert does not list specific side effects, but you should consult a doctor if you experience any unusual symptoms.

Packaging Info

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

Packaging configurations for Antacid Ultra Strength.
Details

Drug Information (PDF)

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

View product document (PDF)

Description

Calcium carbonate is presented as an antacid in a strength of 1000 mg. It is formulated as ultra strength and is available in assorted fruit flavors. The product consists of 160 chewable tablets and is gluten-free.

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 associated with this drug.

Dosage and Administration

Adults and children 12 years of age and over are instructed to chew 2 to 3 tablets completely as symptoms occur, or as directed by a healthcare professional. It is important to note that the tablets should not be swallowed whole.

Patients should refrain from using this medication for symptoms that persist for more than 2 weeks unless advised by a healthcare provider.

Contraindications

There are no contraindications associated with the use of this product. It is deemed safe for use in the absence of specific conditions or situations that would warrant avoidance.

Warnings and Precautions

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

When administering this product, it is crucial to adhere to the following guidelines to ensure safe usage:

  • The maximum recommended dosage is 7 tablets within a 24-hour period. Exceeding this limit may lead to adverse effects.

  • For pregnant individuals, the dosage should not exceed 5 tablets in a 24-hour period to mitigate potential risks to both the mother and the fetus.

  • Continuous use of the maximum dosage should not extend beyond 2 weeks unless directed and monitored by a healthcare professional. This precaution is essential to prevent potential complications associated with prolonged high-dose use.

Healthcare providers should monitor patients for any signs of adverse reactions or interactions, particularly in those taking concurrent medications. Regular assessment and patient education on the importance of adhering to these guidelines are recommended to ensure safe and effective use of the product.

Side Effects

Patients should be aware of potential adverse reactions associated with the use of this product. It is important to consult a healthcare professional before use, especially if currently taking prescription medications, as antacids may interact with certain drugs.

In clinical practice, patients are advised not to exceed a dosage of 7 tablets within a 24-hour period. For pregnant individuals, the maximum recommended dosage is limited to 5 tablets in 24 hours. Furthermore, the maximum dosage should not be utilized for more than 2 weeks unless under the guidance and supervision of a healthcare provider.

These precautions are essential to minimize the risk of adverse effects and ensure safe usage of the product.

Drug Interactions

Antacids may interact with certain prescription medications, potentially affecting their efficacy. It is advisable for patients to consult a healthcare professional, such as a doctor or pharmacist, prior to using antacids if they are currently taking other medications. This precaution helps ensure safe and effective use of both antacids and concurrent therapies.

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

Packaging & NDC

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

Packaging configurations for Antacid Ultra Strength.
Details

Pediatric Use

Pediatric patients should be advised to keep this medication out of reach of children. For those aged 12 years and older, the recommended dosage is to chew 2-3 tablets completely as symptoms occur, or as directed by a healthcare professional. It is important to note that tablets should not be swallowed whole.

Geriatric Use

Elderly patients may not have specific information regarding the use of this medication, including dosage adjustments, safety concerns, or special precautions. Therefore, healthcare providers should exercise caution when prescribing this medication to geriatric patients. It is advisable to monitor these patients closely for any adverse effects or changes in therapeutic response, given the lack of targeted data for this population.

Pregnancy

Pregnant patients should not exceed a dosage of 5 tablets within a 24-hour period. This limitation is crucial to minimize potential risks to fetal outcomes. Healthcare professionals are advised to counsel women of childbearing potential regarding the importance of adhering to this dosage recommendation during pregnancy to ensure the safety of both the mother and the developing fetus.

Lactation

There are no specific warnings or recommendations regarding the use of this product by lactating mothers. Additionally, there is no information available about the potential for excretion in breast milk or any associated risks to breastfed infants from the use of this product during lactation.

Renal Impairment

There is no specific information available regarding dosage adjustments, special monitoring, or safety considerations for patients with renal impairment. Healthcare professionals should exercise caution when prescribing to patients with reduced kidney function, as the absence of detailed guidance necessitates careful clinical judgment. Regular monitoring of renal function may be advisable in this patient population.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in relation to the use of this medication. Consequently, there are no established dosage adjustments, special monitoring requirements, or precautions outlined for individuals with compromised liver function. It is recommended that healthcare providers exercise caution when prescribing this medication to patients with hepatic impairment, given the lack of data on its safety and efficacy in this population. Regular monitoring of liver function may be prudent in these cases, although specific parameters are not defined in the available information.

Overdosage

In the absence of specific overdosage information, it is essential for healthcare professionals to remain vigilant regarding the potential for overdose with this medication. In cases where an overdose is suspected, immediate medical attention should be sought.

Healthcare providers are advised to monitor patients closely for any signs or symptoms that may indicate an overdose. These may include, but are not limited to, increased severity of known side effects, altered mental status, or any unusual physiological responses.

Management of an overdose should be guided by the clinical presentation of the patient. Supportive care is paramount, and symptomatic treatment should be initiated as necessary. It is recommended that healthcare professionals consult local poison control centers or relevant toxicology resources for specific guidance on the management of overdose cases.

In summary, while no specific overdosage information is provided, healthcare professionals should exercise caution, remain alert to potential overdose symptoms, and implement appropriate management strategies in the event of an overdose.

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

No postmarketing experience details are available in the insert text.

Patient Counseling

Healthcare providers should advise patients to keep the medication out of reach of children to prevent accidental ingestion or misuse. It is important to emphasize the necessity of proper storage to ensure the safety of young children.

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 to ensure optimal conditions. Additionally, the product features a safety seal; it is imperative not to use the product if the printed seal under the cap is torn or missing, as this may indicate a compromise in safety or efficacy.

Additional Clinical Information

The medication is administered orally. There are no additional details available regarding laboratory tests, abuse information, patient counseling, or postmarketing experience.

Drug Information (PDF)

This file contains official product information for Antacid Ultra Strength, 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 Ultra Strength, 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.