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Cvs

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Active ingredient
Calcium Carbonate 750 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 2021
Label revision date
December 8, 2025
Drug Information (PDF)
Prescribing information, PDF file
Active ingredient
Calcium Carbonate 750 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 2021
Label revision date
December 8, 2025
Manufacturer
CVS PHARMACY
Registration number
M001
NDC root
51316-405
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

Extra Strength Smooth Antacid Tablets are a dietary supplement designed to provide fast relief from upset stomach, heartburn, and acid indigestion. Each tablet contains 750 mg of calcium carbonate, which works by neutralizing stomach acid to alleviate these uncomfortable symptoms. These tablets are dye-free and gluten-free, making them suitable for a variety of dietary needs, and they come in a refreshing peppermint flavor.

You can use Extra Strength Smooth Antacid Tablets whenever you experience heartburn, sour stomach, or upset stomach related to acid indigestion. They are comparable to the active ingredient found in Extra Strength TUMS® Smoothies™, offering a reliable option for quick relief.

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 reported teratogenic effects (which means it doesn't cause birth defects) or nonteratogenic effects. 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 and older can chew 2 to 4 tablets completely as the symptoms arise, or follow your doctor's instructions. It's important to remember that you should not swallow the tablets whole; they need to be chewed to work effectively.

If your symptoms last longer than 2 weeks, it's crucial to consult with your doctor before continuing to take the medication. This ensures that you receive the appropriate care and guidance for your health.

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 known reasons that would prevent you from using it safely.

However, it's always important to consult with your healthcare provider before starting any new medication to ensure it’s appropriate for your individual health needs. If you have any concerns or questions about this medication, don’t hesitate to reach out to your doctor or pharmacist for guidance.

Side Effects

You may experience some side effects when using this product. It's important to be aware that taking more than 10 tablets in a 24-hour period can lead to complications. If you are pregnant, you should limit your intake to no more than 6 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.

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.

While there are no specific laboratory tests required for safe use, always prioritize your health and safety. If you experience any unusual symptoms or have concerns while using this product, 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 always important to be aware of the signs of an overdose, which can include unusual 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, contact your local emergency services or go to the nearest hospital. Having the medication packaging or information on hand can help medical professionals provide the best care. Always remember that when it comes to medications, it’s better to be safe and get help if you have any concerns.

Pregnancy Use

If you are pregnant, it is important to be cautious with your medication. You should not take more than 6 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 or planning to breastfeed, you can feel reassured that there are no specific warnings or recommendations regarding nursing mothers or lactation in the information provided. This means that, based on the available data, there are no known risks associated with breastfeeding while using this medication.

However, it's always a good idea to consult with your healthcare provider about any medications you are taking to ensure they are safe for you and your baby. Your healthcare provider can give you personalized advice based on your unique 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 use 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 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.

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 and what steps to take for your safety.

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 need to be adjusted or monitored based on your liver function.

Always consult your healthcare provider for personalized advice and to ensure that any treatment you receive is safe and effective for your specific health needs. They can provide guidance based on your liver health and any other medical conditions you may have.

Drug Interactions

It's important to be aware that some over-the-counter medications, such as antacids containing calcium carbonate, can interact with certain prescription drugs. These interactions may affect how well your medications work by altering their absorption in your body.

To ensure your treatment is safe and effective, always discuss any medications you are taking, including over-the-counter products, with your healthcare provider. They can help you understand potential interactions and make any necessary adjustments to your treatment plan.

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 guidelines will help you use the product safely and effectively.

Additional Information

You should take this medication orally. Before using it, make sure to consult with your doctor or pharmacist, especially if you are currently taking any prescription drugs, as antacids can interact with some medications. If your symptoms last longer than two weeks, it's important to seek advice from a healthcare professional.

FAQ

What is Extra Strength Smooth Antacid Tablets used for?

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

What is the active ingredient in Extra Strength Smooth Antacid Tablets?

The active ingredient is calcium carbonate, with each tablet containing 750 mg.

How should I take Extra Strength Smooth 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 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 10 tablets in 24 hours, and if pregnant, do not take more than 6 tablets in 24 hours.

Can I use Extra Strength Smooth Antacid Tablets if I am pregnant?

If you are pregnant, do not take more than 6 tablets in 24 hours and consult your doctor for advice.

What should I do if my symptoms persist?

Do not use Extra Strength Smooth Antacid Tablets for symptoms that persist for more than 2 weeks unless advised by a doctor.

How should I store Extra Strength Smooth Antacid Tablets?

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 Extra Strength Smooth Antacid Tablets?

The provided information does not list any 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 Cvs (calcium carbonate). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Cvs.
Details

Drug Information (PDF)

This file contains official product information for Cvs, 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 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 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 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 period. 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, healthcare professionals should remain vigilant and ensure that patients are aware of the importance of following these guidelines to mitigate potential risks associated with misuse.

Side Effects

Patients using this product may experience various adverse reactions. It is important to note that antacids can interact with certain prescription medications; therefore, patients should consult a doctor or pharmacist before use if they are currently taking any prescription drugs.

In terms of usage guidelines, patients are advised not to exceed a dosage of 10 tablets within a 24-hour period. For pregnant individuals, the maximum recommended dosage is limited to 6 tablets in a 24-hour timeframe. Additionally, patients should refrain from using the maximum dosage for more than 2 weeks unless under the guidance and supervision of a healthcare professional.

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

Drug Interactions

Antacids, particularly those containing calcium carbonate, may interact with certain prescription medications. This interaction can potentially alter the absorption and efficacy of these drugs. It is advisable for healthcare professionals to monitor patients closely when these antacids are co-administered with other medications to ensure therapeutic effectiveness and to consider appropriate timing of administration to minimize interaction risks.

No additional drug interactions or laboratory test interactions have been reported.

Packaging & NDC

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

Packaging configurations for Cvs.
Details

Pediatric Use

Pediatric patients should be kept out of reach of children. For those 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

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. 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 6 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 during pregnancy to ensure the safety of both the mother and the developing fetus.

Lactation

There are no specific warnings or recommendations regarding nursing mothers or lactation in the provided text. Therefore, healthcare professionals should consider the absence of data when advising lactating mothers about the use of this medication. It is advisable to monitor breastfed infants for any potential effects, although no specific concerns have been noted in the available information.

Renal Impairment

Patients with renal impairment have not been specifically addressed in the available data regarding dosage adjustments, special monitoring, or safety considerations. Therefore, healthcare professionals should exercise caution when prescribing this medication to patients with reduced kidney function, as the lack of information necessitates careful clinical judgment and monitoring.

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 alterations in consciousness, respiratory distress, cardiovascular instability, 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, which may include airway management, oxygen supplementation, and intravenous fluids.

If specific antidotes or treatments are available for the substance involved, they should be administered according to established protocols. Continuous monitoring of the patient’s condition is crucial, and healthcare providers should be prepared to implement advanced life support measures if indicated.

In all cases of suspected overdose, it is advisable to contact a poison control center or consult relevant clinical guidelines for further management recommendations. Documentation of the incident and any interventions performed is also critical for ongoing patient care and safety.

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.

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 individuals. Providers should emphasize the necessity of storing the medication in a secure location, away from children's sight and reach, to ensure safety.

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, it is important to note that the product is safety sealed; therefore, it should not be used if the printed seal under the cap is torn or missing.

Additional Clinical Information

The medication 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 also cautioned not to use the medication for symptoms that persist for more than two weeks without medical advice.

Drug Information (PDF)

This file contains official product information for Cvs, 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 Cvs, 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.