Symptom checker
Select audience type

Switch between content for healthcare professionals (PRO) and general audience (GEN).

ADD CONDITION

items per page

Antacid Ultra Strength

Last content change checked dailysee data sync status

Active ingredient
Calcium Carbonate 1000 mg
Other brand names
Drug classes
Blood Coagulation Factor, Phosphate Binder
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
Drug classes
Blood Coagulation Factor, Phosphate Binder
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
0363-3113
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 a type of medication used to relieve various stomach discomforts. These ultra-strength tablets are designed to help alleviate heartburn, acid indigestion, sour stomach, and upset stomach associated with these symptoms. Available in assorted berry flavors, they provide a tasty way to find relief from common digestive issues.

Uses

If you're experiencing discomfort from heartburn, acid indigestion, or a sour stomach, this medication can help relieve those symptoms. It’s also effective for soothing an upset stomach that comes along 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) associated with it. Enjoy relief from your stomach discomfort and get back to feeling your best.

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 your doctor before continuing to take the medication. This ensures that you are using it safely and effectively. Always follow the guidance provided by your healthcare professional for the best results.

What to Avoid

There are no specific contraindications, controlled substance classifications, or risks of abuse, misuse, or dependence associated with this medication. This means that, based on the available information, there are no particular situations or conditions under which you should avoid using it. Always consult with your healthcare provider for personalized advice and to ensure that this medication is appropriate for your individual health needs.

Side Effects

When using this product, it's important to be aware of potential side effects and interactions. You should consult with a doctor or pharmacist if you are currently taking any prescription medications, as antacids can interact with them. It's also crucial not to 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 a healthcare professional.

Always prioritize your health and safety by following these guidelines. If you experience any unusual symptoms or have concerns, reach out to your healthcare provider for advice.

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. 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 24 hours. Additionally, avoid using the maximum dosage for more than 2 weeks unless directed by your doctor.

If you experience any unusual symptoms or have concerns while using this product, it's best to stop taking it and reach out to your healthcare provider for guidance. Always prioritize your health and safety by following these recommendations.

Overdose

It appears that there is no specific information available regarding overdosage for this medication. This means that if you suspect an overdose, it is crucial to take it seriously.

If you experience any unusual symptoms or feel unwell after taking the medication, it’s important to seek medical help immediately. Signs of an overdose can vary, but if you notice anything concerning, don’t hesitate to contact a healthcare professional or go to the nearest emergency room. Always prioritize your health and safety.

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. This guideline helps ensure your safety and the safety of your developing baby. Always consult with your healthcare provider before taking any medication during pregnancy to discuss potential risks and appropriate dosages.

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.

As always, it's a good idea to consult with your healthcare provider if you have any concerns or questions about using any medication 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 if you or a loved one is an older adult, it’s important to consult with a healthcare provider for personalized advice. They can help determine the best approach based on individual health needs and any other medications being taken. Always prioritize open communication with your healthcare team to ensure safe and effective treatment.

Renal Impairment

If you have kidney issues, 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 standard recommendations for the medication do not include special monitoring or safety considerations tailored for patients with renal impairment (kidney problems).

Always consult your healthcare provider for personalized advice and to ensure that any treatment plan is safe and effective for your specific health needs. They can provide guidance based on your kidney function and overall health.

Hepatic Impairment

If you have liver problems, it's important to know that the drug insert does not provide specific information about dosage adjustments, special monitoring, or precautions for your condition. This means that there are no tailored guidelines for how this medication should be used if you have hepatic impairment (liver issues).

Always consult your healthcare provider for personalized advice and to ensure that any medication you take is safe and appropriate for your liver health. They can help determine the best course of action based on your individual situation.

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 share your complete list of medications and any recent lab tests to avoid any potential issues. Your health and safety should always come first.

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, check that the safety seal under the cap is intact; do not use the product if the seal is torn or missing, as this could indicate that the product is compromised. Following these simple guidelines 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, acid indigestion, sour stomach, 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, ask a doctor or pharmacist before use if you are taking a prescription drug, as antacids may interact with certain medications. Do not take more than 7 tablets in 24 hours.

What should I do if I am pregnant?

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

Is there a satisfaction guarantee for this product?

Yes, Walgreens offers a 100% satisfaction guarantee for Walgreens Antacid Tablets 1000.

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 contraindications for using this product?

No specific contraindications are listed for Walgreens Antacid Tablets 1000.

What is the active ingredient in Walgreens Antacid Tablets 1000?

The active ingredient is calcium carbonate, which is present at a strength of 1000 mg per tablet.

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

No description information is available for the drug.

Uses and Indications

This drug is indicated for the relief of heartburn, acid indigestion, sour stomach, 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 not classified as a controlled substance, and there are no known risks of abuse, misuse, or dependence. Additionally, there are no specific instructions indicating that the product should not be taken or used under any circumstances.

Warnings and Precautions

Healthcare professionals should advise patients to consult a doctor 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 critical to adhere to the following 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 period. Furthermore, the maximum dosage should not be utilized for more than 2 weeks unless under the guidance and supervision of a healthcare provider.

No specific general precautions or laboratory tests are indicated for the safe use of this 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, particularly if patients are 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 a 24-hour timeframe. Furthermore, patients should refrain from using the maximum dosage 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

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 necessary at this time.

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 dosing, children aged 12 years and older are instructed to chew 2-3 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.

Geriatric Use

There is no specific information regarding the use of this medication in geriatric patients, including dosage adjustments, safety concerns, or special precautions. Healthcare providers should exercise caution when prescribing this medication to elderly patients, as individual responses may vary. It is advisable to monitor these patients closely for any adverse effects or changes in efficacy, given the lack of targeted data for this population.

Pregnancy

Pregnant patients are advised not to exceed a dosage of 5 tablets within a 24-hour period. This precaution is essential to minimize potential risks to fetal outcomes. Healthcare professionals should counsel women of childbearing potential regarding the importance of adhering to this dosage limit 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 in nursing mothers. Additionally, there is no information available about the potential for excretion in breast milk or any associated risks to 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 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 and prepared for potential scenarios involving excessive administration of the medication.

Should an overdosage occur, it is recommended that healthcare providers assess the patient’s clinical status and monitor for any adverse effects. Symptoms of overdosage may vary depending on the medication's pharmacological profile and the individual patient's response.

In the event of suspected overdosage, immediate medical intervention is advised. Healthcare professionals should initiate supportive care, which may include symptomatic treatment and monitoring of vital signs. It is also prudent to consult local poison control centers or relevant toxicology resources for guidance on management protocols specific to the medication in question.

Documentation of the incident, including the amount ingested and the time of exposure, is crucial for effective management and follow-up care. Continuous evaluation of the patient’s condition will aid in determining the need for further interventions or hospitalization.

In summary, while specific overdosage information is not provided, healthcare professionals should be prepared to act swiftly and effectively in the event of an overdosage scenario, ensuring patient safety and optimal care.

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 potential effects 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 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.