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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 2007
Label revision date
December 26, 2024
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 2007
Label revision date
December 26, 2024
Manufacturer
Advance Pharmaceutical Inc.
Registration number
M001
NDC root
17714-041
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 500 mg is an antacid tablet that helps relieve various stomach discomforts. If you experience acid indigestion, heartburn, a sour stomach, or an upset stomach related to these symptoms, this medication can provide you with relief. It works by neutralizing stomach acid, which can help alleviate the discomfort associated with these common digestive issues.

Uses

If you're experiencing discomfort from acid indigestion, heartburn, 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 known teratogenic effects (which means it doesn't cause birth defects) or nonteratogenic effects reported.

Dosage and Administration

When you experience symptoms, you can chew 1 to 2 tablets to help relieve them. It's important to remember that you should not take more than 8 tablets in a 24-hour period. Additionally, if you find yourself needing to use the maximum dosage, try to limit this to no more than 2 weeks to avoid potential issues. Always follow these guidelines to ensure safe and effective use of the medication.

What to Avoid

It's important to be aware of certain guidelines when using this medication. While there are no specific contraindications or concerns about abuse, misuse, or dependence (which means relying on a substance in a harmful way), you should always prioritize your safety.

If you suspect an overdose, it’s crucial to seek medical help immediately or contact a Poison Control Center. Your health and well-being are the top priority, so don’t hesitate to reach out for assistance if needed.

Side Effects

It's important to be aware of potential side effects when using this medication. You should consult your doctor if you have kidney stones or are on a calcium-restricted diet, as these conditions may affect your use of the drug. Additionally, if you are taking any prescription medications, it's wise to check with your doctor or pharmacist, as antacids can interact with certain drugs.

If your symptoms persist for more than two weeks, you should stop using the medication and seek medical advice. If you are pregnant or breastfeeding, please consult a healthcare professional before using this product to ensure it is safe for you and your baby.

Warnings and Precautions

Before using this medication, it's important to consult your doctor if you have kidney stones or are on a calcium-restricted diet. Additionally, if you are taking any prescription medications, check with your doctor or pharmacist first, as antacids can interact with certain drugs. If your symptoms persist for more than two weeks, stop using the medication and reach out to your doctor.

In case of an overdose, seek emergency medical help immediately or contact a Poison Control Center. If you are pregnant or breastfeeding, please consult a healthcare professional before using this product to ensure it is safe for you.

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 effects of an overdose for this medication, you should be aware of general signs that may indicate a problem. These can include unusual drowsiness, confusion, or difficulty breathing.

If you notice any of these symptoms or if you believe you have taken too much of the medication, seek medical help right away. Contact your healthcare provider or go to the nearest emergency room. It's always better to be safe and get checked out if you have any concerns about your health.

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

It's important to keep this medication out of reach of children to prevent accidental ingestion. If you suspect that your child has taken too much, seek medical help immediately or contact a Poison Control Center for guidance. Being aware of these precautions can help ensure your child's safety.

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. If you or a loved one is an older adult, it’s always a good idea to discuss any medications with a healthcare provider. They can help ensure that the treatment is safe and appropriate, considering any unique health needs or conditions.

Since there are no dosage adjustments or special precautions mentioned for elderly patients, your healthcare provider will be the best resource for personalized advice. Always keep them informed about any other medications or health issues to ensure safe and effective care.

Renal Impairment

If you have kidney stones, it's important to consult your doctor before using this medication. Additionally, if you are currently taking any prescription drugs, please speak with your doctor or pharmacist first, as antacids can interact with some medications. Taking these precautions can help ensure your safety and the effectiveness of your treatment.

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 treatment, 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 performance and safety of your product, store it at room temperature, ideally between 15-30 °C (59-86 °F). This temperature range helps maintain its effectiveness.

When handling the product, be sure to check the safety seal under the cap. If the seal is broken or missing, do not use the product, as this indicates it may have been tampered with. Following these guidelines will help you use the product safely and effectively.

Additional Information

You can take this medication orally by chewing 1-2 tablets when you experience symptoms. However, be careful not to exceed 8 tablets in a 24-hour period, and avoid using the maximum dosage for more than 2 weeks.

Before using this medication, consult your doctor if you have kidney stones or are on a calcium-restricted diet. It's also important to check with your doctor or pharmacist if you're taking any prescription medications, as antacids can interact with them. If you are pregnant or breastfeeding, seek advice from a health professional before use. Always keep this medication out of reach of children, and in case of an overdose, seek medical help or contact a Poison Control Center immediately.

FAQ

What is Calcium Carbonate used for?

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

How should I take Calcium Carbonate?

You should chew 1-2 tablets as symptoms occur, but do not take more than 8 tablets in 24 hours and do not use the maximum dosage for more than 2 weeks.

Are there any contraindications for Calcium Carbonate?

There are no contraindications listed for Calcium Carbonate.

What should I do in case of an overdose?

In case of overdose, get medical help or contact a Poison Control Center right away.

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

If you are pregnant or breastfeeding, you should ask a health professional before using Calcium Carbonate.

Are there any warnings I should be aware of?

You should ask a doctor before use if you have kidney stones or a calcium-restricted diet, and consult a doctor or pharmacist if you are taking a prescription drug, as antacids may interact with certain medications.

How should I store Calcium Carbonate?

Store Calcium Carbonate at room temperature between 15-30 °C (59-86 °F) and do not use it if the imprinted safety seal under the cap is broken or missing.

Packaging Info

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

Packaging configurations for Antacid.
Details

Drug Information (PDF)

This file contains official product information for Antacid, 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 antacid tablets, each containing 500 mg of the active ingredient. The product is packaged under the National Drug Code (NDC) 17714-041-01, with a total count of 100 tablets per container.

Uses and Indications

This drug is indicated for the relief of acid indigestion, heartburn, sour stomach, and upset stomach associated with these symptoms.

There are no teratogenic or nonteratogenic effects associated with this drug.

Dosage and Administration

Patients are advised to chew 1 to 2 tablets as symptoms occur. The maximum allowable dosage is 8 tablets within a 24-hour period. It is important to note that the maximum dosage should not be utilized for more than 2 consecutive weeks to avoid potential adverse effects.

Contraindications

There are no specific contraindications listed for this product. However, in the event of an overdose, it is imperative to seek medical assistance or contact a Poison Control Center immediately.

Warnings and Precautions

Patients should consult a healthcare professional prior to use if they have a history of kidney stones or are on a calcium-restricted diet, as these conditions may influence the safety and efficacy of the treatment. Additionally, it is advisable for patients to seek guidance from a doctor or pharmacist if they are currently taking any prescription medications, as antacids may interact with certain drugs, potentially leading to adverse effects.

In the event that symptoms persist for more than two weeks, patients are instructed to discontinue use and consult a healthcare provider for further evaluation. Pregnant or breastfeeding individuals should also seek advice from a health professional before initiating treatment to ensure safety for both mother and child.

In cases of overdose, immediate medical assistance should be sought, or the local Poison Control Center should be contacted without delay to mitigate potential health risks.

Side Effects

Patients should be advised to consult a healthcare professional prior to use if they have a history of kidney stones or are on a calcium-restricted diet. Additionally, it is important for patients to seek guidance from a doctor or pharmacist if they are currently taking any prescription medications, as antacids may interact with certain drugs.

In the event that symptoms persist for more than two weeks, patients are instructed to discontinue use and consult a healthcare provider. Furthermore, pregnant or breastfeeding individuals should also seek advice from a health professional before using this product.

Drug Interactions

Antacids may interact with certain prescription medications, potentially affecting their absorption and efficacy. It is advisable to monitor the timing of antacid administration in relation to other medications to minimize these interactions. Specifically, antacids should be taken at least 2 hours apart from other drugs to ensure optimal therapeutic effects.

Packaging & NDC

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

Packaging configurations for Antacid.
Details

Pediatric Use

Pediatric patients should be monitored closely, and the medication must be kept out of reach of children to prevent accidental ingestion. In the event of an overdose, immediate medical assistance should be sought, or the Poison Control Center should be contacted without delay.

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 potential adverse effects or changes in therapeutic response, given the lack of targeted data for this population.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional prior to using this medication. The potential risks and benefits must be carefully considered in these populations to ensure the safety of both the mother and the fetus or infant.

Lactation

Lactating mothers are advised to consult a health professional prior to using this medication. There is currently no specific data available regarding the excretion of this medication in 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 should consult a healthcare professional prior to use, particularly if they have a history of kidney stones. Additionally, it is advisable for patients to seek guidance from a doctor or pharmacist if they are currently taking any prescription medications, as antacids may interact with certain prescription drugs. Monitoring and appropriate dosing adjustments may be necessary based on individual renal function.

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 maintaining airway patency, providing supplemental oxygen, and monitoring vital signs.

Additionally, it is recommended to consult local poison control centers or relevant toxicology resources for guidance on specific management protocols and antidotes, if applicable.

Documentation of the incident, including the substance involved, estimated dose, and time of exposure, is crucial for effective management and follow-up care.

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 use of the compound in these contexts.

Postmarketing Experience

No postmarketing experience details are available in the insert text.

Patient Counseling

Healthcare providers should advise patients to seek immediate medical assistance or contact a Poison Control Center in the event of an overdose. It is crucial for patients to understand the importance of prompt action in such situations to ensure their safety and well-being.

Storage and Handling

The product is supplied in a configuration that includes a tamper-evident safety seal under the cap. It is essential to ensure that this seal is intact before use; the product should not be utilized if the seal is broken or missing.

For optimal storage, the product must be kept at room temperature, specifically within the range of 15-30 °C (59-86 °F). Proper adherence to these storage conditions is crucial to maintain the integrity and efficacy of the product.

Additional Clinical Information

Patients should be informed that the medication is administered orally, with a recommended dosage of 1-2 tablets chewed as symptoms occur. It is important not to exceed 8 tablets within a 24-hour period and to avoid using the maximum dosage for more than 2 weeks.

Clinicians should counsel patients to consult a doctor before use if they have kidney stones or are on a calcium-restricted diet. Additionally, patients taking prescription medications should seek advice from a healthcare professional, as antacids may interact with certain drugs. Pregnant or breastfeeding individuals should also consult a health professional prior to use. The medication should be kept out of reach of children, and in the event of an overdose, immediate medical assistance or contact with a Poison Control Center is advised.

Drug Information (PDF)

This file contains official product information for 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 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.