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Calcium Antacidextra 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 2015
Label revision date
December 3, 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 2015
Label revision date
December 3, 2025
Manufacturer
Rugby Laboratories
Registration number
M001
NDC root
0536-1049
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

Rugby® Calcium Antacid Tablets are chewable tablets designed to provide relief from common digestive discomforts. Each tablet contains 750 mg of calcium carbonate, which acts as an antacid to help alleviate symptoms such as heartburn, sour stomach, acid indigestion, and upset stomach associated with these issues. These tablets come in an assorted fruit flavor and are gluten-free, making them a convenient option for those seeking quick relief from occasional digestive troubles.

Uses

You can use this medication to help relieve several uncomfortable digestive issues. It effectively alleviates heartburn, which is that burning sensation in your chest, and it can also help with a sour stomach and acid indigestion. If you're experiencing an upset stomach related to these symptoms, this medication can provide relief as well.

It's important to note that there are no reported teratogenic effects (which means it doesn't cause birth defects) associated with this medication, making it a safer option for those who may be concerned about such risks.

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 whenever you experience symptoms, or as your doctor recommends. It's important to follow these guidelines closely to ensure safe and effective use.

However, if your symptoms last longer than 2 weeks, you should not continue taking the medication without consulting your doctor. This precaution helps ensure that any underlying issues are properly addressed. Always prioritize your health and seek professional advice when needed.

What to Avoid

It's important to use this medication responsibly to ensure your safety. You should not take more than 10 tablets in a 24-hour period. 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 your doctor has advised and is supervising you.

By following these guidelines, you can help prevent potential issues related to misuse or dependence (which means relying on a substance in a way that can be harmful). Always consult with your healthcare provider if you have any questions or concerns about your medication.

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. It's also 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. Avoid using the maximum dosage for more than 2 weeks unless directed by a healthcare professional.

Additionally, keep this product out of reach of children to ensure their safety. If you experience any unusual symptoms or reactions, contact your healthcare provider promptly.

Warnings and Precautions

Before using this medication, it's important to consult with your doctor or pharmacist, especially if you are currently taking any prescription drugs, 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 the same timeframe. Additionally, avoid using the maximum dosage for more than 2 weeks unless your doctor advises you to do so.

While there are no specific lab tests required for monitoring, always stay alert to how your body responds to the medication. If you experience any concerning symptoms, it's best to stop taking the medication and reach out to your doctor for guidance.

Overdose

It appears that there is no specific information available regarding overdosage for this medication. However, it's important to be aware of the general signs of an overdose, which can include symptoms like extreme 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, you should contact your local emergency services or go to the nearest hospital right away. 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, 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 excreted in breast milk or any potential risks to your infant. Always consult with your healthcare provider if you have any concerns or questions about medications while breastfeeding.

Pediatric Use

If you are considering this medication for your child, it's important to note that it is not recommended for children under 12 years of age. For children aged 12 and older, the typical dosage is to chew 2 to 4 tablets when symptoms arise, or as directed by a healthcare professional. Always consult with your child's doctor before giving any medication to ensure it is appropriate for their specific needs.

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 responses to medications, you should always consult with a healthcare provider before starting any new medication. They can help determine the right dosage and monitor for any potential side effects, ensuring that the treatment is safe and effective for you or your loved one.

Renal Impairment

If you have kidney problems, it's important to know that the information provided does not include specific guidelines for dosage adjustments, special monitoring, or safety considerations related to renal impairment (kidney issues). This means that there are no tailored recommendations for how your treatment may need to change based on your kidney function.

Always consult your healthcare provider for personalized advice and to ensure that your treatment plan is safe and effective for your specific condition. They can help monitor your kidney health and make any necessary adjustments to your medications.

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 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 quality and safety of your product, store it at room temperature. It's important to keep the container tightly closed to protect its contents from contamination and maintain effectiveness.

When handling the product, always ensure that you do so in a clean environment to avoid introducing any harmful substances. Following these simple guidelines will help you use the product safely and effectively.

Additional Information

You should take this medication orally and be mindful of a few important guidelines. Before using it, consult with your doctor or pharmacist if you are currently taking any prescription drugs, as antacids can interact with some medications. It's important 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 24 hours. Additionally, avoid using the maximum dosage for more than 2 weeks unless directed by your doctor.

FAQ

What is Rugby® Calcium Antacid Tablets used for?

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

What is the active ingredient in Rugby® Calcium Antacid Tablets?

The active ingredient is Calcium Carbonate, with each tablet containing 750 mg.

How should I take Rugby® Calcium Antacid Tablets?

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

Are there any dosage restrictions for Rugby® Calcium Antacid Tablets?

Do not take more than 10 tablets in 24 hours, and if pregnant, do not take more than 6 tablets in 24 hours. Do not use the maximum dosage for more than 2 weeks unless advised by a doctor.

Is Rugby® Calcium Antacid Tablets safe to use during pregnancy?

While there are no teratogenic effects mentioned, if pregnant, you should not take more than 6 tablets in 24 hours.

What should I do if I am taking other medications?

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

Where can I find more information about Rugby® Calcium Antacid Tablets?

You can visit the website www.rugbylaboratories.com for more information.

How should I store Rugby® Calcium Antacid Tablets?

Store at room temperature and keep the container tightly closed.

What flavors do Rugby® Calcium Antacid Tablets come in?

They come in an assorted fruit flavor, which is naturally and artificially flavored.

Is Rugby® Calcium Antacid Tablets gluten-free?

Yes, Rugby® Calcium Antacid Tablets are gluten-free.

Packaging Info

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

Packaging configurations for Calcium Antacidextra Strength.
Details

Drug Information (PDF)

This file contains official product information for Calcium Antacidextra Strength, including active ingredients, dosage, warnings, and labeling as submitted by the manufacturer for OTC distribution.

View product document (PDF)

Description

Calcium Carbonate is presented in a dosage form of chewable tablets, each containing 750 mg of the active ingredient. The product is gluten-free and is flavored with assorted fruit, utilizing both natural and artificial flavoring agents. The packaging contains a total of 96 chewable tablets.

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 associated with this drug.

Dosage and Administration

Adults and children aged 12 years and older are instructed to chew 2 to 4 tablets 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

Use of this product is contraindicated in the following situations:

Exceeding the recommended dosage of more than 10 tablets within a 24-hour period is contraindicated due to the potential for adverse effects. In pregnant individuals, the use of more than 6 tablets in a 24-hour period is also contraindicated to mitigate risks to the fetus. Additionally, the maximum dosage should not be used for more than 2 weeks unless under the advice and supervision of a healthcare professional, as prolonged use may lead to complications.

Warnings and Precautions

Healthcare professionals should be aware of the following warnings and precautions associated with the use of this medication.

It is imperative to consult a doctor or pharmacist prior to use if the patient is currently taking any prescription medications, as antacids may interact with certain drugs, potentially leading to adverse effects.

In terms of general precautions, patients should not exceed a maximum dosage of 10 tablets within a 24-hour period. For pregnant individuals, the dosage should be limited to no more than 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.

Currently, there are no specific laboratory tests recommended for monitoring the use of this medication.

Healthcare professionals should remain vigilant and advise patients to seek medical attention if they experience any concerning symptoms or adverse reactions.

Side Effects

Patients should be aware of the potential adverse reactions associated with this product. It is important to consult a doctor or pharmacist before use if 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 10 tablets within a 24-hour period. For pregnant individuals, the maximum recommended dosage is limited to 6 tablets in 24 hours. Additionally, the maximum dosage should not be used for more than 2 weeks unless under the advice and supervision of a healthcare professional.

To ensure safety, this product should be kept out of reach of children.

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 Calcium Antacidextra Strength (calcium carbonate). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Calcium Antacidextra Strength.
Details

Pediatric Use

Pediatric patients aged 12 years and older may use the medication as directed for symptom relief. The recommended dosage for this age group is to chew 2 to 4 tablets as symptoms occur, or as advised by a healthcare professional. Safety and efficacy in children under 12 years of age have not been established, and therefore, caution is advised when considering use in this population.

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 6 tablets within a 24-hour period. Additionally, the maximum dosage should not be used for more than 2 weeks unless under the advice and supervision of 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 are advised to ensure the safety of both the patient and the developing fetus.

Lactation

There are no specific warnings or recommendations regarding the use of this product in nursing mothers. Additionally, there is no information available about the potential for excretion in breast milk or any associated risks to breastfed infants.

Renal Impairment

Patients with renal impairment have not been specifically addressed in the available prescribing information. There are no dosage adjustments, special monitoring requirements, or safety considerations outlined for individuals with reduced kidney function. Healthcare professionals should exercise caution and consider the lack of data when prescribing to this patient population.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in clinical trials for this medication. Consequently, there is no available information regarding 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 warranted in these patients to ensure safety and therapeutic effectiveness.

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, monitor for symptoms, and provide appropriate management in the event of an overdose.

Nonclinical Toxicology

No information is available regarding teratogenic or non-teratogenic effects. Additionally, there is no data provided concerning nonclinical toxicology, animal pharmacology, or toxicology.

Postmarketing Experience

No postmarketing experience details are available in the insert.

Patient Counseling

Healthcare providers should advise patients to keep the medication out of reach of children to prevent accidental ingestion. It is important to inform patients not to exceed a dosage of 10 tablets within a 24-hour period. For pregnant patients, they should be cautioned to limit their intake to no more than 6 tablets in a 24-hour period.

Providers should emphasize that the maximum dosage should not be used for more than 2 weeks unless directed and supervised by a healthcare professional. Additionally, patients should be encouraged to consult with their doctor or pharmacist before using this medication if they are currently taking any prescription drugs, as antacids may interact with certain medications.

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, ensuring that it is protected from extreme temperatures and humidity. Proper storage conditions are essential to preserve the quality and efficacy of the product.

Additional Clinical Information

The product 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 instructed not to exceed 10 tablets within a 24-hour period, and if pregnant, to limit intake to no more than 6 tablets in 24 hours. Additionally, the maximum dosage should not be used for more than 2 weeks unless under the guidance and supervision of a healthcare professional.

Drug Information (PDF)

This file contains official product information for Calcium Antacidextra 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 Calcium Antacidextra 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

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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.