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Antacid Extra Strength

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Active ingredient
Calcium Carbonate 750 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 750 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
0363-3355
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 are chewable tablets that contain 750 mg of calcium carbonate, which is an active ingredient known for its ability to relieve various stomach discomforts. These extra-strength tablets are designed to help alleviate 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 relief from digestive issues.

If you're experiencing discomfort from heartburn or indigestion, Walgreens Antacid Tablets may provide the relief you need. They are pharmacist-recommended and come with a satisfaction guarantee, ensuring you can trust their effectiveness.

Uses

If you're experiencing discomfort from heartburn, 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 4 tablets completely as the symptoms occur. 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 it safely and appropriately for your needs. Always follow your doctor's advice regarding dosage and duration of use.

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 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. Common side effects may include discomfort or changes in digestion.

It's crucial not to exceed 10 tablets in a 24-hour period, and if you are pregnant, limit your intake to no more than 6 tablets in the same timeframe. Additionally, avoid using the maximum dosage for more than 2 weeks unless directed by a healthcare professional.

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 10 tablets in a 24-hour period, and if you are pregnant, limit your intake to no more than 6 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

Taking more than 10 tablets in a 24-hour period can lead to an overdose, which is a serious condition. If you are pregnant, it’s important to limit your intake to no more than 6 tablets in the same timeframe to avoid potential harm. Additionally, using the maximum dosage for more than 2 weeks should only be done under the guidance of a doctor to reduce the risk of overdose.

Signs of an overdose can vary, but if you suspect you have taken too much, it’s crucial to seek immediate medical help. Always prioritize your health and safety by following dosage recommendations closely. If you have any concerns or experience unusual symptoms, don’t hesitate to contact a healthcare professional.

Pregnancy Use

If you are pregnant, it’s important to be cautious with medication. You should not take more than 6 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, 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 passed into breast milk or if it poses any risk to your infant. Always consult with your healthcare provider if you have any concerns or questions about medications while breastfeeding.

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 should chew 2 to 4 tablets completely as symptoms arise, or follow your doctor's instructions.

Always remember to keep this medication out of reach of younger children to ensure their safety. If you have any concerns or questions about its use, consult your healthcare provider for guidance.

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 healthcare providers may not have tailored guidelines for elderly patients.

If you or a loved one is an older adult considering this medication, it’s important to discuss any potential risks and benefits with your healthcare provider. They can help determine the best approach based on individual health needs and circumstances. Always prioritize open communication about any concerns you may have regarding medication use.

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 medication you take is safe and appropriate for your kidney health. They can provide guidance based on your individual situation.

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 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 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 protective barrier that indicates the product hasn't been tampered with) under the cap is intact; do not use the product if the seal is torn or missing. 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, sour stomach, acid indigestion, 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 750 mg.

How should I take Walgreens Antacid Tablets?

Adults and children 12 years of age and over should chew 2-4 tablets completely as symptoms occur, or as directed by a doctor. Do not swallow the tablets whole.

Are there any warnings associated with Walgreens Antacid Tablets?

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

What is the maximum dosage for Walgreens Antacid Tablets?

Do not take more than 10 tablets in 24 hours. If pregnant, do not take more than 6 tablets in 24 hours.

Is Walgreens Antacid Tablets gluten-free?

Yes, Walgreens Antacid Tablets are gluten-free.

What should I do if my symptoms persist?

Do not use Walgreens Antacid Tablets 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.

Are there any teratogenic effects associated with Walgreens Antacid Tablets?

No teratogenic effects are mentioned for Walgreens Antacid Tablets.

Can nursing mothers use Walgreens Antacid Tablets?

There are no specific warnings or recommendations regarding the use of this product by nursing mothers.

Packaging Info

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

Packaging configurations for Antacid Extra Strength.
Details

Drug Information (PDF)

This file contains official product information for Antacid Extra 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, 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 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 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 crucial to adhere to the following dosage guidelines: patients should not exceed 10 tablets within a 24-hour period. For pregnant individuals, the maximum dosage should not exceed 6 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 required for the safe use of this product. However, it is essential for healthcare professionals to remain vigilant regarding potential interactions with other medications and to ensure that patients are informed about the importance of adhering to the recommended dosage guidelines.

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 for individuals currently taking prescription medications, as antacids may interact with certain drugs.

In clinical settings, participants have been advised not to exceed a dosage of 10 tablets within a 24-hour period. For pregnant individuals, the recommended maximum is limited to 6 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

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 Extra Strength (antacid calcium carbonate). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Antacid Extra Strength.
Details

Pediatric Use

Pediatric patients aged 12 years and older may chew 2-4 tablets completely as symptoms occur, or as directed by a healthcare professional. It is important to keep this medication out of reach of children to prevent accidental ingestion.

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.

Pregnancy

Pregnant patients should not exceed a dosage of 6 tablets within a 24-hour period. Additionally, the maximum dosage should not be used for more than 2 weeks unless advised and supervised by a healthcare professional. It is important for healthcare providers to consider these dosage limitations when prescribing this medication to pregnant patients, as prolonged use or exceeding recommended dosages may pose risks to fetal outcomes. Careful monitoring and consultation with a healthcare provider are advised 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 during the use of this product.

Renal Impairment

There is no specific information 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 cases of overdosage, it is critical to adhere to the recommended dosage guidelines to prevent adverse effects. The maximum allowable dosage for adults is 10 tablets within a 24-hour period. Exceeding this limit may lead to an overdose, which can result in serious health complications.

For pregnant individuals, the recommended maximum dosage is further restricted to 6 tablets in a 24-hour period. This precaution is essential to minimize the risk of overdose and protect both maternal and fetal health.

Additionally, it is advised that the maximum dosage not be utilized for more than 2 weeks unless under the guidance and supervision of a healthcare professional. Prolonged use at maximum dosage levels can significantly increase the risk of overdose and associated complications.

In the event of suspected overdosage, immediate medical attention should be sought. Healthcare professionals should assess the patient's condition and provide appropriate management based on the severity of symptoms and the specific circumstances of the 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 in these areas limits the understanding of the compound's potential effects in nonclinical settings.

Postmarketing Experience

No postmarketing experience details are provided in the insert.

Patient Counseling

Healthcare providers should advise patients to keep this medication out of reach of children to prevent accidental ingestion or misuse. It is important for patients to understand the potential risks associated with improper access to the medication by 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 stability and efficacy. Users are advised to inspect the safety seal; the product should not be used if the printed seal under the cap is torn or missing.

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 Extra 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 Extra 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.