Symptom checker
Select audience type

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

ADD CONDITION

items per page

Cvs Pharmacy

Last content change checked dailysee data sync status

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 2021
Label revision date
December 4, 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 2021
Label revision date
December 4, 2025
Manufacturer
CVS
Registration number
M001
NDC root
51316-103
Drug Information (PDF)
Prescribing information, PDF file
Packaging Info (2 NDCs)
Packaging & NDC Codes (2)

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

CVS Ultra Strength Antacid is a type of antacid tablet that contains 1000 mg of calcium carbonate. It is designed to provide fast relief from upset stomach, heartburn, acid indigestion, and sour stomach. These chewable tablets come in an assorted fruit flavor and are gluten-free, making them a convenient option for those seeking quick relief from digestive discomfort.

The active ingredient, calcium carbonate, works by neutralizing stomach acid, which helps alleviate the symptoms associated with heartburn and indigestion. Available in a pack of 72 chewable tablets, CVS Ultra Strength Antacid is a practical choice for managing occasional 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

If you are an adult or a child aged 12 years and older, you should chew 2 to 3 tablets completely whenever you experience symptoms, or follow your doctor's instructions. It's important to only take this medication for short-term relief. If your symptoms last longer than 2 weeks, you should consult your doctor before continuing to use it. Always make sure to follow these guidelines to ensure your safety and effectiveness of the treatment.

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 interactions with prescription medications, so consult your doctor or pharmacist if you're currently taking any. You should not 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.

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. 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 in doubt, it’s better to err on the side of caution and seek assistance.

Pregnancy Use

If you are pregnant, it is important to be cautious with your 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 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. Additionally, the information available does not indicate any concerns about the product being present in breast milk or any risks to your infant. Always consult with your healthcare provider if you have any questions or concerns about medications while breastfeeding.

Pediatric Use

If you are considering this medication for your child, it's important to note that it is intended for use in children aged 12 years and older. For children in this age group, the recommended dosage is to chew 2-3 tablets completely when symptoms occur, or as directed by a doctor.

Always consult with your child's healthcare provider before giving any medication to ensure it is appropriate for their specific needs and to discuss any potential concerns.

Geriatric Use

While there is no specific information available about the use of this medication in older adults, it’s important to approach any new treatment with caution. Since older adults may have different health needs and may be taking multiple medications, it’s always a good idea to consult with a healthcare provider before starting any new medication. They can help ensure that the treatment is safe and appropriate for your individual health situation.

If you or a loved one is an older adult, be sure to discuss any concerns about potential side effects or interactions with other medications you may be taking. Your healthcare provider can provide guidance tailored to your specific needs.

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 talk to your doctor or pharmacist before using antacids. They can help ensure that your treatments work effectively together and avoid any potential issues.

Always discuss any medications or tests you are undergoing with your healthcare provider. This way, you can receive personalized advice and maintain your health safely.

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 the safety seal under the cap. If the seal is torn or missing, do not use the product, as this indicates it may not be safe. 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 CVS Ultra Strength Antacid?

CVS Ultra Strength Antacid is an antacid tablet that contains 1000 mg of calcium carbonate, providing fast relief from upset stomach, heartburn, and acid indigestion.

How should I take CVS Ultra Strength Antacid?

Adults and children 12 years and older should chew 2-3 tablets completely as symptoms occur, or as directed by a doctor.

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 exceed 5 tablets in 24 hours. Consult a doctor if you are taking prescription drugs, as antacids may interact with them.

Can I use CVS Ultra Strength Antacid 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 CVS Ultra Strength Antacid gluten-free?

Yes, CVS Ultra Strength Antacid is gluten-free.

What flavors does CVS Ultra Strength Antacid come in?

It is available in an assorted fruit flavor, both naturally and artificially flavored.

What should I do if my symptoms persist?

Do not take CVS Ultra Strength Antacid for more than 2 weeks unless advised by a doctor.

How should I store CVS Ultra Strength Antacid?

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 Cvs Pharmacy (calcium carbonate). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Cvs Pharmacy.
Details

Drug Information (PDF)

This file contains official product information for Cvs Pharmacy, 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, 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 this medication should not be taken for symptoms that persist for more than 2 weeks unless advised by a doctor.

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 timeframe. 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 required for the safe use of this product. Additionally, there are no outlined instructions for obtaining emergency medical assistance or for discontinuing use and contacting a physician.

Side Effects

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

When using this product, 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 period. Furthermore, patients should not utilize the maximum dosage for more than 2 weeks unless under the guidance and supervision of a healthcare provider. Adhering to these recommendations is crucial to minimize the risk of adverse reactions.

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 specific drug interactions or laboratory test interactions have been identified for the other medications in this context.

Packaging & NDC

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

Packaging configurations for Cvs Pharmacy.
Details

Pediatric Use

Pediatric patients aged 12 years and older are directed to chew 2-3 tablets completely as symptoms occur, or as directed by a healthcare professional. There are no specific dosage recommendations for children under 12 years of age. Healthcare providers should exercise caution when considering the use of this medication in younger pediatric populations, as safety and efficacy have not been established in this age group.

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 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 concerning the potential for excretion in breast milk or any associated risks to breastfed infants.

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, unusual behavioral changes, or any other atypical clinical manifestations.

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 specific overdosage information is not available, healthcare professionals should exercise caution, remain observant for potential overdose symptoms, and implement appropriate management strategies as needed.

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 safety profile in nonclinical settings.

Postmarketing Experience

No postmarketing experience details are available in the insert text.

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.

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. 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 Cvs Pharmacy, 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 Pharmacy, 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.