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Regular Strength Antacid

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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 2025
Label revision date
February 7, 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 2025
Label revision date
February 7, 2025
Manufacturer
DeMoulas Market Basket
Registration number
M001
NDC root
53942-126
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

Calcium carbonate is a type of antacid that comes in a regular strength of 500 mg. It is commonly used to provide fast relief from heartburn, sour stomach, acid indigestion, and upset stomach. By neutralizing stomach acid, calcium carbonate helps alleviate discomfort associated with these conditions.

You can find calcium carbonate in various flavors, and it typically comes in a bottle containing 150 tablets. It works similarly to the active ingredient found in Regular Strength TUMS®, making it a familiar choice for many seeking quick relief from digestive issues.

Uses

If you're experiencing discomfort from acid indigestion or heartburn, this medication can help relieve those symptoms. It works quickly to ease the feeling of a sour stomach, acid indigestion, and upset stomach, providing you with fast relief when you need it most.

You can trust that this medication does not have any teratogenic effects, meaning it does not cause harm to a developing fetus. This makes it a safer option for those who may be pregnant or planning to become pregnant.

Dosage and Administration

If you are an adult or a child aged 12 years and older, you can take this medication by chewing 2 to 4 tablets when you start to feel symptoms. It's important to follow your doctor's advice regarding how many tablets to take and when. Make sure to chew the tablets thoroughly for the best effect. Always keep in mind that if your symptoms persist or worsen, you should consult your doctor for further guidance.

What to Avoid

It's important to use this medication responsibly to ensure your safety. You should not take more than 15 tablets within a 24-hour period. Additionally, avoid using the maximum dosage for more than 2 weeks unless your doctor has advised you to do so. Following these guidelines helps prevent potential health risks and ensures the medication works effectively for you. Always consult with your healthcare provider if you have any questions or concerns about your treatment.

Side Effects

You may experience some side effects when taking this medication. While no specific side effects are listed, it's important to be aware that antacids can interact with certain prescription drugs, which may affect how well those medications work.

If you have any concerns about potential interactions or side effects, it's a good idea to discuss them with your healthcare provider. They can provide you with more personalized information based on your health needs.

Warnings and Precautions

It's important to use this medication safely. You should not take more than 15 tablets in a 24-hour period, and you should not use the maximum dosage for more than 2 weeks unless your doctor advises you to do so.

While there are no specific warnings or emergency instructions provided, always be mindful of how your body responds to any medication. If you experience any unusual symptoms or have concerns, it's best to consult your doctor 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 potential risks associated with taking any medication. If you suspect that you or someone else may have taken too much of a medication, look out for unusual symptoms such as extreme drowsiness, confusion, or difficulty breathing.

In the event of an overdose, it is crucial to seek immediate medical help. You can do this by calling your local emergency number or going to the nearest hospital. Always keep the medication packaging on hand, as it can provide important information to healthcare professionals. Remember, when in doubt, it's better to err on the side of caution and get help.

Pregnancy Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using this medication. They can provide guidance on whether it’s safe for you and your baby. Always prioritize your health and the health of your child by seeking expert advice.

Lactation Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using any medication. This ensures that you understand any potential risks and can make informed decisions about your health and the health of your baby. Always prioritize open communication with your doctor regarding your breastfeeding journey.

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 this age group, the recommended dosage is to chew 2 to 4 tablets as symptoms arise, or as directed by a healthcare professional. Always consult with your child's doctor to ensure the appropriate use and dosage for their specific needs.

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 considering this medication, it’s important to consult with a healthcare provider. 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 your medication dosage may need to be adjusted. This is especially true if you have reduced creatinine clearance (a measure of how well your kidneys are filtering waste). Regular monitoring of your kidney function through tests is essential to ensure your safety and the effectiveness of your treatment.

For those with severe renal impairment, there is a higher risk of toxicity, which means that your doctor may need to prescribe a lower dose of your medication. Always communicate with your healthcare provider about your kidney health, as they will guide you on the necessary precautions and adjustments to keep you safe.

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 for the medication do not change based on liver impairment. However, it’s always a good idea to discuss your liver health with your healthcare provider before starting any new medication. They can help ensure that your treatment is safe and effective for you.

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 health conditions you have to receive the best care possible.

Storage and Handling

To ensure the safety and effectiveness of your product, store it in a cool, dry place at temperatures below 30ºC (86ºF). This helps maintain its quality and performance.

Before using the product, check that the printed seal under the cap is intact. If the seal is torn or open, do not use the product, as this may compromise its safety. Always handle the product with care to ensure it remains in good condition.

Additional Information

If you are pregnant or breastfeeding, it's important to consult with a health professional before using this medication. This ensures that you receive the best advice tailored to your specific situation. There are no additional details available regarding laboratory tests, abuse potential, or the administration of this medication.

FAQ

What is Calcium Carbonate used for?

Calcium Carbonate is an antacid that relieves acid indigestion, heartburn, sour stomach, and upset stomach.

How should I take Calcium Carbonate?

Adults and children 12 years of age and over should chew 2-4 tablets as symptoms occur, or as directed by a doctor.

What is the maximum dosage for Calcium Carbonate?

Do not take more than 15 tablets in a 24-hour period, or use the maximum dosage for more than 2 weeks without a doctor's advice.

Are there any teratogenic effects associated with Calcium Carbonate?

No teratogenic effects are mentioned for Calcium Carbonate.

Can I use Calcium Carbonate if I am pregnant or breastfeeding?

You should ask a health professional before using Calcium Carbonate if you are pregnant or breastfeeding.

What should I do if I have kidney problems?

If you have renal impairment, dosage adjustments may be necessary, and renal function should be monitored regularly.

How should I store Calcium Carbonate?

Store Calcium Carbonate below 30ºC (86ºF) and do not use it if the printed seal under the cap is torn or open.

Are there any known drug interactions with Calcium Carbonate?

Antacids like Calcium Carbonate may interact with certain prescription drugs, so consult your healthcare provider.

Packaging Info

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

Packaging configurations for Regular Strength Antacid.
Details

Drug Information (PDF)

This file contains official product information for Regular Strength Antacid, 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 acid indigestion and heartburn. It provides fast relief of sour stomach, acid indigestion, and upset stomach.

Limitations of Use: There are no teratogenic or nonteratogenic effects associated with this drug.

Dosage and Administration

Adults and children 12 years of age and over are advised to chew 2 to 4 tablets as symptoms occur, or as directed by a healthcare professional. It is important to follow the recommended dosage and not exceed the maximum dosage unless specifically instructed by a physician.

Contraindications

Use of this product is contraindicated in patients who exceed the recommended dosage of 15 tablets within a 24-hour period or utilize the maximum dosage for more than 2 weeks without the advice and supervision of a healthcare professional. Adherence to these guidelines is essential to prevent potential adverse effects associated with prolonged or excessive use.

Warnings and Precautions

Healthcare professionals should be aware of the following precautions associated with the use of this product to ensure patient safety and efficacy.

General precautions must be strictly adhered to. It is imperative that patients do not exceed a maximum dosage of 15 tablets within a 24-hour period. Additionally, the maximum dosage should not be utilized for more than 2 weeks unless directed and supervised by a healthcare provider. This limitation is crucial to prevent potential adverse effects and ensure the safe use of the product.

Currently, there are no specific laboratory tests or emergency medical help instructions associated with this product. Healthcare professionals are encouraged to monitor patients for any unusual symptoms or side effects and to provide guidance on the appropriate use of the product.

Side Effects

Patients may experience various adverse reactions associated with the use of this medication. While no specific side effects are detailed in the warnings section, it is important to note that antacids may interact with certain prescription drugs, which could lead to unintended effects or diminished efficacy of the prescribed treatment.

Healthcare providers should be vigilant in monitoring patients for any potential interactions and advise them accordingly. It is essential for patients to disclose all medications they are taking to their healthcare provider to mitigate the risk of adverse reactions related to drug interactions.

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 Regular Strength Antacid (calcium carbonate). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Regular Strength Antacid.
Details

Pediatric Use

Pediatric patients aged 12 years and older may chew 2-4 tablets as symptoms occur, or as directed by a healthcare professional. There are no specific dosage adjustments or safety concerns noted for this age group in the available data.

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. Monitoring for potential adverse effects and therapeutic efficacy is recommended in this population.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional prior to using this medication. The safety of this drug during pregnancy has not been established, and potential risks to fetal outcomes are not fully understood. Therefore, it is essential for women of childbearing potential to seek medical advice to weigh the benefits and risks associated with the use of this medication during pregnancy and lactation.

Lactation

Lactating mothers are advised to consult a health professional prior to using this medication. There is currently no available data on the excretion of this drug in human breast milk or its effects on breastfed infants. Therefore, caution is recommended when administering this medication to lactating individuals.

Renal Impairment

Renal impairment may necessitate dosage adjustments for patients with reduced kidney function. It is essential that patients with reduced creatinine clearance are closely monitored to ensure safety and efficacy. Regular renal function tests should be performed in patients with kidney problems to assess their condition. Special considerations for patients with severe renal impairment include the potential for toxicity and the need for reduced dosing to mitigate risks associated with their condition.

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 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

There is currently no specific information available regarding overdosage for this medication. Healthcare professionals are advised to monitor patients closely for any signs of adverse effects or symptoms that may arise from excessive dosing.

In the event of suspected overdosage, it is recommended that healthcare providers initiate supportive care and symptomatic treatment as necessary. Patients should be evaluated for potential complications, and appropriate interventions should be implemented based on clinical judgment.

For further guidance, healthcare professionals may refer to established protocols for managing drug overdosage or consult a poison control center.

Nonclinical Toxicology

There were no teratogenic effects observed in the nonclinical studies conducted. Additionally, no non-teratogenic effects were reported. The available data does not include specific findings related to animal pharmacology and toxicology.

Postmarketing Experience

No postmarketing experience details are available in the insert.

Patient Counseling

Healthcare providers should advise patients not to exceed a maximum of 15 tablets within a 24-hour period. Additionally, patients should be informed that the maximum dosage of this product should not be used for more than 2 weeks unless directed by a healthcare professional.

It is also important for healthcare providers to encourage patients to consult with a doctor or pharmacist prior to use if they are currently taking any prescription medications. This is particularly crucial as antacids may interact with certain prescription drugs, potentially affecting their efficacy or safety.

Storage and Handling

The product is supplied in a configuration that includes a printed seal under the cap. It is essential to ensure that this seal is intact before use; do not use the product if the seal is torn or open.

For optimal storage, the product should be kept at a temperature below 30ºC (86ºF). Proper storage conditions are crucial to maintain the integrity and efficacy of the product.

Additional Clinical Information

Patients should consult a health professional prior to use if they are pregnant or breastfeeding. No further information is available regarding laboratory tests, abuse potential, route, method, or frequency of administration, as well as postmarketing experience.

Drug Information (PDF)

This file contains official product information for Regular Strength Antacid, 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 Regular Strength Antacid, 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.