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Antacid Regular Strength

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Active ingredient
Calcium Carbonate 500 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
December 17, 2025
Drug Information (PDF)
Prescribing information, PDF file
Active ingredient
Calcium Carbonate 500 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
December 17, 2025
Manufacturer
WALGREEN CO.
Registration number
M001
NDC root
0363-1224
Drug Information (PDF)
Prescribing information, PDF file
Packaging Info (3 NDCs)
Packaging & NDC Codes (3)

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

Drug Overview

Walgreens Antacid Tablets contain calcium carbonate (500 mg), which is a common ingredient used to relieve symptoms associated with heartburn, acid indigestion, sour stomach, and upset stomach. These tablets come in assorted fruit flavors and are gluten-free, making them a convenient option for those seeking relief from discomfort caused by excess stomach acid.

This product is regularly recommended by Walgreens pharmacists and is designed to provide effective relief for digestive issues. If you're experiencing any of these symptoms, Walgreens Antacid Tablets may help soothe your stomach and restore comfort.

Uses

If you're experiencing discomfort from heartburn, acid indigestion, or a sour stomach, 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. This makes it a safe option for managing your digestive discomfort.

Dosage and Administration

When you need relief from certain symptoms, adults and children aged 12 years and older can chew 2 to 4 tablets completely as the symptoms occur. It's important not to swallow the tablets whole; they need to be chewed to work effectively. If your symptoms last longer than 2 weeks, you should consult a doctor before continuing to use the medication. Always follow your doctor's advice for the best results.

What to Avoid

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 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, you may experience some side effects. It's important to be aware that taking more than 15 tablets in a 24-hour period can lead to serious issues. If you are pregnant, you should limit your intake to no more than 10 tablets in the same timeframe. Additionally, using the maximum dosage for more than two weeks should only be done under a doctor's guidance.

Before starting this product, consult with your doctor or pharmacist, especially if you are currently taking any prescription medications, as antacids can interact with them. 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. Be mindful of the dosage: do not exceed 15 tablets in a 24-hour period, and if you are pregnant, limit your intake to no more than 10 tablets in 24 hours. Additionally, avoid using the maximum dosage for more than two weeks unless directed by your doctor.

While there are no specific laboratory tests required for safe use, it's crucial to follow these guidelines to ensure your safety. If you experience any unusual symptoms or have concerns while using this product, please reach out to your healthcare provider for advice.

Overdose

If you suspect an overdose, it's important to act quickly. Signs of an overdose can vary, but they may include unusual drowsiness, confusion, or difficulty breathing. If you notice any of these symptoms, seek immediate medical help.

In the event of an overdose, contact your local emergency services or go to the nearest hospital. It's crucial to provide them with as much information as possible about the substance taken and the amount, if known. Remember, your safety is the top priority, so don’t hesitate to get help.

Pregnancy Use

If you are pregnant, it is important to be cautious with medication. You should not take more than 10 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 baby are the top priority, so please follow these guidelines carefully.

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. This means that, based on the available information, it is considered safe for you to use without concerns about affecting your milk production or your nursing infant. Always consult with your healthcare provider if you have any questions or concerns about your specific situation.

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 dosage is to chew 2 to 4 tablets completely when symptoms occur, or as directed by a doctor. Please remember not to swallow the tablets whole, as they need to be chewed for proper effectiveness. Always consult with a healthcare professional if you have any questions or concerns 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 before starting the medication. 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 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.

It's always best to discuss your individual situation with your healthcare provider, who can offer personalized advice and ensure that any medications you take are safe and effective for you.

Hepatic Impairment

If you have liver 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 standard recommendations apply, but you should always consult your healthcare provider for personalized advice. They can help determine the best approach for your treatment and monitor your liver function as needed.

Make sure to keep your doctor informed about your liver health, as they may want to conduct regular tests to ensure your safety while using any medication. Your well-being is a priority, so don't hesitate to ask questions or express any concerns you may have.

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 and safety of your product, store it at room temperature. It's important to keep the container tightly closed to protect its contents. Before using, check that the safety seal (a printed seal under the cap) is intact; do not use the product if this seal is torn or missing, as this could indicate that the product is compromised. Following these 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 used for?

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

What is the active ingredient in Walgreens Antacid Tablets?

The active ingredient is Calcium Carbonate, with each tablet containing 500 mg.

How should I take Walgreens Antacid Tablets?

Adults and children 12 years and over should chew 2-4 tablets completely as symptoms occur, or as directed by a doctor. Do not swallow 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 exceed 15 tablets in 24 hours.

Can I take Walgreens Antacid Tablets if I am pregnant?

If pregnant, do not take more than 10 tablets in 24 hours and consult your doctor for advice.

Is Walgreens Antacid Tablets gluten-free?

Yes, Walgreens Antacid Tablets are gluten-free.

Where are Walgreens Antacid Tablets made?

They are made in the U.S.A.

What should I do if my symptoms persist?

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

How should I store Walgreens Antacid Tablets?

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

Packaging Info

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

Packaging configurations for Antacid Regular Strength.
Details

Drug Information (PDF)

This file contains official product information for Antacid Regular 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 specified drug.

Uses and Indications

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

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

Dosage and Administration

Adults and children aged 12 years and over are instructed to chew 2 to 4 tablets completely as symptoms occur, or as directed by a healthcare professional. It is essential that the tablets are not 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 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 15 tablets within a 24-hour period. For pregnant individuals, the maximum dosage should not exceed 10 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.

No specific general precautions or laboratory tests are indicated for the safe use of this product. Additionally, there are no emergency medical help instructions or specific directives to discontinue use and contact a physician provided in the current guidelines.

Side Effects

Patients may experience various adverse reactions when using this product. It is important to note that certain warnings are associated with its use. Patients should consult a doctor or pharmacist before use if they are currently taking a prescription drug, as antacids may interact with specific medications.

When using this product, patients are advised not to exceed a dosage of 15 tablets within a 24-hour period. For pregnant individuals, the maximum recommended dosage is limited to 10 tablets in 24 hours. Additionally, patients should not use the maximum dosage for more than 2 weeks unless under the guidance and supervision of a healthcare professional.

These precautions are essential to ensure the safe and effective use of the product, minimizing the risk of adverse reactions.

Drug Interactions

There are currently no documented drug interactions associated with this medication. Additionally, there is no information available regarding 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 Regular Strength (antacid tablets). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Antacid Regular Strength.
Details

Pediatric Use

Pediatric patients should be kept out of reach of children. For children aged 12 years and older, the recommended dosage is to chew 2-4 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

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 potential adverse effects or changes in efficacy, given the lack of targeted data for this population.

Pregnancy

Pregnant patients should not exceed a dosage of 10 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 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 are no specific warnings or recommendations related to lactation in the provided information. Therefore, healthcare professionals may consider the use of this product in nursing mothers on a case-by-case basis, taking into account the clinical context and the needs of the mother and infant.

Renal Impairment

There is no specific information regarding renal impairment, dosage adjustments, special monitoring, or safety considerations for patients with reduced kidney function. Healthcare professionals should exercise caution and consider individual patient factors when prescribing to patients with renal impairment, as the absence of detailed guidance necessitates careful clinical judgment.

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 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 altered mental status, 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 conduct a thorough clinical examination. Supportive care should be initiated as necessary, and specific interventions may be required based on the symptoms presented.

It is advisable to contact a poison control center or consult relevant clinical guidelines for management protocols tailored to the specific substance involved in the overdose. Continuous monitoring and supportive measures are critical in managing the patient’s condition effectively.

Documentation of the incident, including the substance involved, estimated dose, and time of exposure, is crucial for guiding treatment decisions and ensuring comprehensive 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 limits the assessment of potential risks associated with the compound in these areas.

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 individuals.

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 compromised product.

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 Regular 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 Regular 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.