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Rugby Extra Strength Antacid

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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 2019
Label revision date
August 21, 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 2019
Label revision date
August 21, 2025
Manufacturer
Rugby Laboratories
Registration number
part331
NDC root
0536-1229
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 an antacid medication that comes in extra strength chewable tablets, each containing 750 mg. It is primarily used to relieve symptoms of acid indigestion and heartburn, helping to neutralize stomach acid and provide quick relief.

These tablets are flavored with assorted berries, making them more pleasant to take. You can find them in a package containing 96 chewable tablets, similar to the active ingredient found in TUMS® EXTRA STRENGTH.

Uses

If you're experiencing discomfort from acid indigestion or heartburn, this medication can help relieve those symptoms. Acid indigestion refers to the burning sensation or discomfort in your stomach, while heartburn is the feeling of burning in your chest caused by stomach acid rising into the esophagus.

You can use this medication to find relief from these common digestive issues, allowing you to feel more comfortable throughout your day. Rest assured, there are no known teratogenic effects (which means it doesn't cause birth defects) associated with this medication.

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 advises. It's important to follow the recommended dosage to ensure you get the best results. Always consult with your healthcare provider if you have any questions about how to use this medication effectively.

What to Avoid

It's important to use this medication responsibly to ensure your safety. You should not take more than 10 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

It's important to be aware of potential interactions when using this medication. If you are currently taking any prescription drugs, you should consult with your doctor or pharmacist before starting this treatment, as antacids can interact with certain medications.

While specific side effects are not detailed here, always monitor how you feel after taking any new medication and report any unusual symptoms to your healthcare provider. Your safety and well-being are paramount, so don't hesitate to seek guidance if you have any concerns.

Warnings and Precautions

While there are no specific warnings, precautions, or instructions provided for this medication, it's always important to stay informed about your health. If you experience any unusual symptoms or reactions while taking this medication, it’s wise to stop using it and consult your doctor for guidance.

Additionally, if you ever feel that you need immediate medical assistance, don’t hesitate to seek emergency help. Always prioritize your health and well-being by keeping open communication with your healthcare provider.

Overdose

If you suspect an overdose, it's important to stay calm and take immediate action. While there is no specific information available about the signs of overdose for this medication, general symptoms can include unusual drowsiness, confusion, or difficulty breathing. If you notice any of these signs, or if you are unsure, seek medical help right away.

In case of an overdose, contact your local emergency services or go to the nearest hospital. It's always better to be safe and get checked by a healthcare professional if you have any concerns about your health. Remember, timely intervention can make a significant difference.

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

When it comes to 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 12 or older, they can chew 2 to 4 tablets as needed for their symptoms, or you should 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 in your child, don't hesitate to consult with your healthcare provider.

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 you may need a lower dose of this medication. Your doctor will determine the right dosage based on your creatinine clearance, which is a test that measures how well your kidneys are filtering waste from your blood.

To ensure your kidneys remain healthy while taking this medication, regular renal function tests are recommended. If you have severe kidney impairment, your healthcare provider will need to monitor you more closely to adjust your treatment as necessary. Always communicate with your doctor about your kidney health and any concerns you may have.

Hepatic Impairment

If you have liver problems, it's important to know that the drug insert does not provide specific information about dosage adjustments, special monitoring, or precautions for your condition. This means that there are no tailored guidelines for how this medication may affect you differently due to your liver health.

Always consult your healthcare provider for personalized advice and to discuss any concerns you may have regarding your liver function and how it relates to your treatment. They can help ensure that your medication is safe and effective for you.

Drug Interactions

It's important to be aware that antacids, which are commonly used to relieve heartburn and indigestion, can interact with some prescription medications. This means that taking antacids at the same time as certain drugs may affect how well those medications work.

To ensure your safety and the effectiveness of your treatments, always discuss any medications you are taking, including over-the-counter products like antacids, with your healthcare provider. They can help you understand potential interactions and adjust your treatment plan if necessary.

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, check that the printed seal under the cap is intact. If it is torn or missing, do not use the product, as this could indicate that it has been compromised. Following these simple steps will help you use the product safely and effectively.

Additional Information

There is no additional information available regarding laboratory tests, abuse potential, or the route and frequency of administration for this medication.

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using this medication to ensure it is safe for you and your baby.

FAQ

What is Calcium Carbonate used for?

Calcium Carbonate is an antacid that relieves acid indigestion and heartburn.

How should I take Calcium Carbonate?

Adults and children 12 years and older 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 10 tablets in a 24-hour period, and do not use the maximum dosage for more than 2 weeks without a doctor's advice.

Are there any contraindications for Calcium Carbonate?

No specific contraindications are mentioned for Calcium Carbonate.

Can I take 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 am taking other prescription drugs?

Ask a doctor or pharmacist before use, as antacids may interact with certain prescription medications.

How should I store Calcium Carbonate?

Store at room temperature, keep the container tightly closed, and do not use if the printed seal under the cap is torn or missing.

What should I do if I have renal impairment?

Patients with renal impairment may require a reduced dose, and regular renal function tests are recommended.

Packaging Info

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

Packaging configurations for Rugby Extra Strength Antacid.
Details

Drug Information (PDF)

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

View product document (PDF)

Uses and Indications

This drug is indicated for the relief of acid indigestion and heartburn.

There are no teratogenic effects associated with this drug, and no nonteratogenic effects have been reported.

Dosage and Administration

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

Contraindications

Use of this product is contraindicated in patients who exceed the recommended dosage of 10 tablets within a 24-hour period or utilize the maximum dosage for more than 2 weeks without the guidance 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

There are currently no specific warnings or precautions associated with the use of this medication. Healthcare professionals are advised to remain vigilant and monitor patients for any adverse effects or unusual symptoms that may arise during treatment.

In the absence of defined laboratory tests, it is recommended that healthcare providers consider routine monitoring based on the individual patient's clinical status and any relevant comorbidities. Regular assessments may help in identifying potential complications early.

In the event of any concerning symptoms or adverse reactions, healthcare professionals should instruct patients to seek immediate medical attention. Additionally, if a patient experiences significant side effects or if their condition worsens, they should be advised to discontinue use and consult their healthcare provider promptly.

Ongoing evaluation and communication between healthcare providers and patients are essential to ensure safe and effective use of this medication.

Side Effects

Patients should be aware of potential adverse reactions associated with the use of this medication. It is important to consult a healthcare professional, such as a doctor or pharmacist, before use, especially for those who are currently taking prescription drugs. Antacids may interact with certain prescription medications, which could lead to adverse effects or reduced efficacy of the prescribed treatment.

While specific adverse reactions were not detailed in the provided information, the interaction with prescription drugs underscores the necessity for careful consideration and monitoring. Patients are encouraged to report any unusual symptoms or reactions to their healthcare provider to ensure appropriate management and care.

Drug Interactions

Antacids have the potential to interact with various prescription medications, which may affect the absorption and efficacy of these drugs. It is advisable to monitor patients closely when antacids are co-administered with other medications.

In cases where antacids are prescribed alongside other drugs, healthcare professionals should consider the timing of administration to minimize interaction risks. Patients may be advised to take antacids at least two hours apart from other medications to ensure optimal therapeutic outcomes.

Packaging & NDC

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

Packaging configurations for Rugby Extra Strength Antacid.
Details

Pediatric Use

Pediatric patients aged 12 years and older may use the medication at a dosage of 2-4 tablets chewed as symptoms occur, or as directed by a healthcare professional. It is important to ensure that the medication is kept 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. 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 regarding the excretion of this medication in human breast milk or its effects on breastfed infants. Therefore, caution is recommended when administering this medication to lactating individuals.

Renal Impairment

Patients with renal impairment may require a reduced dose of the medication. Dosage adjustments should be based on creatinine clearance to ensure appropriate therapeutic levels while minimizing the risk of adverse effects. Regular renal function tests are recommended to monitor kidney health in patients receiving this medication. Additionally, special monitoring is necessary for patients with severe renal impairment to ensure safety and efficacy.

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 information regarding overdosage, healthcare professionals are advised to exercise caution and adhere to general principles of management in cases of suspected overdose.

It is essential to monitor the patient closely for any potential symptoms that may arise from an overdose. Symptoms can vary widely depending on the substance involved and the individual patient's response.

In the event of an overdose, immediate medical attention should be sought. Healthcare providers should implement supportive care measures, which may include monitoring vital signs, providing symptomatic treatment, and ensuring the patient's safety.

If available, consultation with a poison control center or a medical toxicologist is recommended to guide the management of the overdose effectively.

Documentation of the incident, including the substance involved, the amount taken, and the time of ingestion, is crucial for appropriate treatment and follow-up care.

Nonclinical Toxicology

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

Postmarketing Experience

No postmarketing experience details are provided in the insert.

Patient Counseling

Healthcare providers should advise patients not to exceed a maximum of 10 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, which could affect the efficacy of their treatment.

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. Healthcare professionals are advised not to use the product if the printed seal under the cap is torn or missing, as this may indicate compromised quality or safety.

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, or postmarketing experience.

Drug Information (PDF)

This file contains official product information for Rugby Extra 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 Rugby Extra 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.