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Calcium carbonate

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Active ingredient
Calcium Carbonate 1250 mg/5 mL
Other brand names
Drug classes
Blood Coagulation Factor, Phosphate Binder
Dosage form
Suspension
Route
Oral
Prescription status
OTC (over the counter)
Pregnancy
See Pregnancy Use Section
Lactation
See Lactation Use Section
Marketed in the U.S.
Since 2004
Label revision date
May 12, 2025
Drug Information (PDF)
Prescribing information, PDF file
Active ingredient
Calcium Carbonate 1250 mg/5 mL
Other brand names
Drug classes
Blood Coagulation Factor, Phosphate Binder
Dosage form
Suspension
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 2004
Label revision date
May 12, 2025
Manufacturer
Atlantic Biologicals Corps
Registration number
M001
NDC root
17856-3117
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 suspension is a medication commonly used to relieve symptoms associated with heartburn, acid indigestion, sour stomach, and upset stomach. It works by neutralizing stomach acid, providing quick relief from discomfort caused by these conditions.

If you're experiencing any of these symptoms, calcium carbonate suspension may help soothe your stomach and improve your comfort. Always consult with a healthcare professional for personalized advice and to ensure it's the right option for you.

Uses

If you're experiencing discomfort from heartburn, acid indigestion, 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

Before using the medication, make sure to shake the bottle well. This helps to mix the ingredients properly for effective use. When you need to take the medication, you should measure out 1 to 2 teaspoonfuls, which is equivalent to 5 to 10 milliliters (mL). You can take this dosage as your symptoms occur, or follow the specific instructions given by your doctor. Always remember to consult with your healthcare provider if you have any questions about how to use the medication.

What to Avoid

It's important to use this medication responsibly to ensure your safety and well-being. You should not take more than 6 teaspoonfuls (30 mL) within a 24-hour period, and avoid using the maximum dosage for longer than 2 weeks. Following these guidelines helps prevent potential issues related to misuse or dependence (a condition where your body becomes reliant on a substance). Always prioritize your health by adhering to these recommendations.

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 are currently taking any. You should also avoid exceeding 6 teaspoonfuls (30 mL) in a 24-hour period and refrain from using the maximum dosage for more than 2 weeks.

Additionally, please ensure that this product is kept out of reach of children to prevent accidental ingestion.

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 cautious not to exceed 6 teaspoonfuls (30 mL) in a 24-hour period, and avoid using the maximum dosage for more than 2 weeks. This will help ensure your safety while using the product. If you experience any unusual symptoms or have concerns, it's best to stop using the product and reach out to your healthcare provider for guidance.

Overdose

Taking more than 6 teaspoonfuls (30 mL) of this medication in a 24-hour period, or using the maximum dosage for more than 2 weeks, can lead to an overdose. Signs of an overdose may include unusual drowsiness, confusion, or difficulty breathing. If you notice any of these symptoms, it’s important to seek immediate medical help.

If you suspect an overdose, contact your healthcare provider or local emergency services right away. It’s always better to be cautious and get professional advice if you have any concerns about your dosage or experience any adverse effects.

Pregnancy Use

While the provided information does not specify any particular safety concerns or precautions for use during pregnancy, it is important to approach any medication with care. There are no dosage modifications recommended for pregnant individuals, which suggests that the standard dosing may apply. However, since the insert does not detail specific pregnancy-related guidelines, it is always best to consult with your healthcare provider before taking any medication if you are pregnant or planning to become pregnant. They can provide personalized advice based on your health needs.

Lactation Use

If you are breastfeeding or planning to breastfeed, it's important to consult your doctor before using this product. There is a possibility that it may be excreted in breast milk, which means it could potentially affect your baby. Since the effects on nursing infants have not been thoroughly studied, exercising caution is advised. Always prioritize your health and your baby's well-being by discussing any concerns with your healthcare provider.

Pediatric Use

It's important to keep this medication out of reach of children to ensure their safety. If your child is taking any prescription medications, consult with a doctor or pharmacist before using this product, as it may interact with certain drugs.

For children, the recommended dosage is 1 to 2 teaspoonfuls (5 to 10 mL) as symptoms arise, or as directed by a healthcare professional. Always follow the guidance of your doctor to ensure safe and effective use.

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 elderly patients may have different health needs and responses to medications, it’s always a good idea to consult with a healthcare provider before starting any new medication. They can help determine the best approach for you or your loved one, considering any existing health conditions or medications that may interact.

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 situation. 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 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 if you have hepatic impairment (liver issues).

Always consult your healthcare provider for personalized advice and to discuss any concerns you may have regarding your liver health and medication use. They can help ensure that you receive the safest and most effective treatment based on your individual needs.

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 performance of your product, store it in a cool, dry place at a temperature between 20° to 25°C (68° to 77°F). It's important to avoid freezing the product, as this can affect its effectiveness.

When you receive the product, you'll notice it comes with a tamper-evident seal, which helps ensure that it hasn't been opened or altered before you use it. Always check this seal before use to guarantee safety and integrity.

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 Calcium Carbonate Suspension used for?

Calcium Carbonate Suspension is used to relieve heartburn, acid indigestion, sour stomach, and upset stomach associated with these symptoms.

How should I take Calcium Carbonate Suspension?

You should take 1 to 2 teaspoonfuls (5 to 10 mL) as symptoms occur, or as directed by a doctor. Shake well before using.

What is the maximum dosage for Calcium Carbonate Suspension?

Do not take more than 6 teaspoonfuls (30 mL) in a 24-hour period or use the maximum dosage for more than 2 weeks.

Are there any contraindications for Calcium Carbonate Suspension?

No specific contraindications are mentioned for Calcium Carbonate Suspension.

Can I use Calcium Carbonate Suspension while pregnant?

The insert does not provide specific information regarding the use of Calcium Carbonate Suspension during pregnancy, but no special precautions are mentioned.

Is it safe to use Calcium Carbonate Suspension while breastfeeding?

Nursing mothers should consult a doctor before using this product, as there is a potential for excretion in breast milk and the effects on nursing infants are not well studied.

What should I do if I am taking other prescription drugs?

You should ask a doctor or pharmacist before using Calcium Carbonate Suspension, as antacids may interact with certain prescription drugs.

How should I store Calcium Carbonate Suspension?

Store Calcium Carbonate Suspension at 20° to 25°C (68° to 77°F) and do not freeze. Ensure it is kept out of reach of children.

Packaging Info

Below are the non-prescription pack sizes of Calcium Carbonate. Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Calcium Carbonate.
Details

Drug Information (PDF)

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

View product document (PDF)

Description

Calcium Carbonate Suspension is a pharmaceutical formulation designed for oral administration. It contains calcium carbonate as the active ingredient, which serves as an antacid and dietary supplement. The suspension is characterized by its liquid dosage form, facilitating ease of use and dosage adjustment. The effective date of this formulation is January 28, 2021.

Uses and Indications

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

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

Dosage and Administration

Healthcare professionals are advised to instruct patients to shake the product well before use. The recommended dosage is 1 to 2 teaspoonfuls (5 to 10 mL) to be taken as symptoms occur, or as directed by a physician.

Contraindications

There are no specified contraindications for this product. However, it is advised that patients do not exceed a dosage of 6 teaspoonfuls (30 mL) within a 24-hour period or use the maximum dosage for more than 2 weeks to avoid potential adverse effects.

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.

It is essential to adhere to the recommended dosage guidelines when using this product. Patients should not exceed 6 teaspoonfuls (30 mL) within a 24-hour period, nor should they utilize the maximum dosage for longer than 2 weeks. This precaution is critical to prevent potential adverse effects associated with overuse.

No specific laboratory tests are recommended for monitoring during the use of this product. However, healthcare providers should remain vigilant for any signs of adverse reactions or interactions, particularly in patients taking concurrent medications.

Side Effects

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

When using this product, patients are advised not to exceed a maximum dosage of 6 teaspoonfuls (30 mL) within a 24-hour period and to refrain from using the maximum dosage for more than 2 weeks. Adhering to these guidelines is crucial to minimize the risk of adverse effects.

Additionally, this product should be kept out of reach of children to prevent accidental ingestion and potential harm.

Drug Interactions

Antacids may interact with various 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. Healthcare professionals should consider this timing when prescribing medications that may be affected by antacids.

Packaging & NDC

Below are the non-prescription pack sizes of Calcium Carbonate. Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Calcium Carbonate.
Details

Pediatric Use

Pediatric patients should be advised to keep this medication out of reach of children. Prior to use, it is important for caregivers to consult a doctor or pharmacist if the child is taking any prescription medications, as antacids may interact with certain drugs.

For symptomatic relief, pediatric patients may take 1 to 2 teaspoonfuls (5 to 10 mL) as needed, or as directed by a healthcare professional.

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 may use this medication as no specific safety concerns regarding pregnancy have been detailed in the prescribing information. There are no dosage modifications recommended for pregnant individuals, and no special precautions regarding the use of this medication during pregnancy are included in the text. Healthcare professionals should consider the overall clinical context when prescribing this medication to women of childbearing potential.

Lactation

Nursing mothers should consult a doctor before using this product. There is a potential for excretion in breast milk, and the effects on nursing infants are not well studied; therefore, caution is advised.

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 relation to the use of 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 based on clinical judgment.

Overdosage

In cases of overdosage, it is critical to adhere to the recommended dosage guidelines to prevent adverse effects. The maximum allowable dosage is 6 teaspoonfuls (30 mL) within a 24-hour period. Exceeding this limit or utilizing the maximum dosage for a duration exceeding 2 weeks may lead to potential health risks.

Healthcare professionals should be vigilant for symptoms that may arise from overdosage, although specific symptoms were not detailed in the provided information. In the event of suspected overdosage, it is advisable to conduct a thorough assessment of the patient’s condition and consider appropriate management strategies.

Management procedures may include monitoring the patient for any adverse effects and providing supportive care as necessary. If symptoms of overdosage are observed, immediate medical intervention should be sought to mitigate any potential complications.

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 potential effects in nonclinical settings.

Postmarketing Experience

No postmarketing experience details are available in the provided data.

Patient Counseling

Healthcare providers should advise patients to keep this product out of reach of children to prevent accidental ingestion.

Patients should be informed about the importance of adhering to the recommended dosage. Specifically, they should not exceed 6 teaspoonfuls (30 mL) within a 24-hour period and should avoid using the maximum dosage for more than 2 weeks.

Additionally, it is crucial for patients to consult with their healthcare provider or pharmacist before using this product if they are currently taking any prescription medications. This is particularly important as antacids may interact with certain prescription drugs, which could affect their efficacy or lead to adverse effects.

Storage and Handling

The product is supplied with a tamper-evident seal to ensure safety and integrity. It should be stored at a temperature range of 20° to 25°C (68° to 77°F). Freezing is not permitted, as it may compromise the product's quality and efficacy. Proper handling and storage conditions are essential to maintain the product's stability and effectiveness.

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 Calcium Carbonate, 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 Carbonate, 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.