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D-Cal

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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 1997
Label revision date
September 8, 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 1997
Label revision date
September 8, 2025
Manufacturer
A&Z Pharmaceutical Inc.
Registration number
part331
NDC root
62211-166
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

D-Cal is a chewable tablet designed to help relieve discomfort associated with heartburn, acid indigestion, sour stomach, and upset stomach caused by these symptoms. Since its introduction on December 26, 2013, D-Cal has been a go-to option for those seeking quick relief from these common digestive issues.

Uses

If you're experiencing discomfort from heartburn, acid indigestion, or a sour stomach, this medication can help relieve those symptoms. It’s also effective for soothing an upset stomach that arises from these issues. You can feel more comfortable and get back to your daily activities without the nagging discomfort.

Rest assured, this medication does not have any known teratogenic effects, meaning it does not cause harm to a developing fetus.

Dosage and Administration

It's important to follow the recommended dosage when taking this medication. For adults, you should not take more than 10 tablets in a 24-hour period. If you are giving this medication to a child, the maximum is 5 tablets within the same timeframe.

Always keep track of how many tablets you have taken to avoid exceeding these limits, as taking more than the recommended amount can lead to serious health issues. If you have any questions or concerns about the dosage, be sure to consult with a healthcare professional.

What to Avoid

You can feel reassured that there are no specific contraindications, controlled substance classifications, or risks of abuse or misuse associated with this medication. Additionally, there are no concerns regarding dependence (a condition where the body becomes reliant on a substance).

Since there are no "do not take" or "do not use" instructions provided, it suggests that this medication is generally safe for use as directed. However, always consult with your healthcare provider for personalized advice and to ensure it’s appropriate for your individual health needs.

Side Effects

It's important to be aware that if you are taking any prescription medications, you should consult with your doctor or pharmacist before using this product. Antacids can interact with certain prescription drugs, which may affect how well they work or increase the risk of side effects.

Always prioritize your health by discussing any potential interactions with your healthcare provider to ensure safe and effective use.

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. Antacids can interact with certain medications, which may affect how well they work.

If you experience any unusual symptoms or have concerns while using this product, don't hesitate to stop taking it and reach out to your doctor for guidance. Your health and safety are the top priority, so always seek professional advice when in doubt.

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 an overdose, it is crucial to seek immediate medical help.

In case of an emergency, call your local emergency number or go to the nearest hospital. Always keep your medications in a safe place and follow the prescribed dosage to prevent any potential risks. If you have any concerns or questions about your medication, don’t hesitate to reach out to your healthcare provider for guidance.

Pregnancy Use

If you are pregnant or planning to become pregnant, it's important to know that the information provided does not specify any safety concerns related to the use of this medication during pregnancy. There are no dosage modifications recommended for pregnant individuals, and no special precautions have been outlined for its use in this context.

As always, it's best to consult with your healthcare provider about any medications you are considering or currently taking to ensure they are safe for 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 D-CAL (calcium carbonate) for nursing mothers. Additionally, the information provided does not mention any concerns about the potential for D-CAL to be passed into breast milk. This means that, based on the available data, you can use D-CAL without worrying about its effects on your milk production or your nursing infant. Always consult with your healthcare provider if you have any questions or concerns about medications while breastfeeding.

Pediatric Use

When giving this medication to children, it's important to follow specific guidelines to ensure their safety. You should not give more than 5 tablets in a 24-hour period. For daily use, children should chew 1 tablet. If their symptoms continue after taking the tablet, it's best to consult a doctor for further advice. Always prioritize your child's health and well-being by adhering to these recommendations.

Geriatric Use

While there is no specific information about the use of D-CAL (calcium carbonate) chewable tablets in older adults, it’s important to approach any new medication with caution. Since the drug insert does not mention dosage adjustments or safety concerns for elderly patients, you should consult with a healthcare provider before starting this medication. They can help determine if D-CAL is appropriate for you or your loved one, considering any unique health needs or conditions. Always prioritize open communication with your healthcare team to ensure safe and effective use of any medication.

Renal Impairment

If you have kidney 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 usual recommendations for monitoring or safety considerations related to renal impairment (kidney issues) are not provided.

Always consult your healthcare provider for personalized advice and to ensure that any medications you take are safe and appropriate for your kidney health. They can help determine the best course of action based on your individual needs.

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 should be used if you have hepatic impairment (liver issues).

Always consult your healthcare provider for personalized advice and to ensure that any medication you take is safe and appropriate for your liver health. They can help you understand how to manage your treatment effectively.

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 avoid any potential issues and receive the best care possible.

Storage and Handling

To ensure the safety and effectiveness of your product, store it in a dry place. This helps maintain its quality and prevents any damage. Before using the product, always check that the imprinted seal under the cap is intact; do not use it if the seal is torn or open, as this could indicate that the product has been compromised. Following these simple guidelines will help you use the product safely and effectively.

Additional Information

No further information is available.

FAQ

What is D-Cal?

D-Cal is a chewable tablet that relieves heartburn, acid indigestion, sour stomach, and upset stomach due to these symptoms.

How should I take D-Cal?

Adults should chew 2 tablets daily, while children should chew 1 tablet daily. If symptoms persist, consult a doctor.

What is the maximum dosage for D-Cal?

Do not take more than 10 tablets for adults and 5 tablets for children in a 24-hour period.

Are there any contraindications for D-Cal?

No contraindications are listed for D-Cal.

Can I take D-Cal if I'm on prescription medication?

You should ask a doctor or pharmacist before using D-Cal if you are taking a prescription drug, as antacids may interact with certain medications.

Is D-Cal safe to use during pregnancy?

The provided text does not mention specific safety concerns or dosage modifications for pregnant individuals.

Can nursing mothers use D-Cal?

There are no specific warnings or recommendations regarding the use of D-Cal for nursing mothers in the provided text.

How should I store D-Cal?

Store D-Cal in a dry place and do not use it if the imprinted seal under the cap is torn or open.

When was D-Cal effective?

D-Cal has been effective since December 26, 2013.

Packaging Info

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

Packaging configurations for D-Cal.
Details

Drug Information (PDF)

This file contains official product information for D-Cal, 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 heartburn, acid indigestion, sour stomach, and upset stomach associated with these symptoms.

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

Dosage and Administration

The recommended dosage for adults is a maximum of 10 tablets within a 24-hour period. For pediatric patients, the maximum dosage is limited to 5 tablets in a 24-hour period.

Healthcare professionals should ensure that patients are advised not to exceed these limits to avoid potential adverse effects. It is essential to monitor the patient's response to the medication and adjust the dosage as necessary, while remaining within the specified maximum limits.

Contraindications

There are no contraindications associated with the use of this product. It is deemed safe for use in the absence of specific conditions or situations that would warrant avoidance.

Warnings and Precautions

It is imperative that healthcare professionals advise patients to consult with a physician or pharmacist prior to using this product if they are currently taking any prescription medications. Antacids have the potential to interact with certain prescription drugs, which may lead to adverse effects or reduced efficacy of the medications.

No additional general precautions or laboratory tests have been identified for safe use. Therefore, it is essential to remain vigilant regarding potential interactions and to ensure that patients are adequately informed about the importance of discussing their complete medication regimen with their healthcare provider.

Side Effects

Patients should be advised to consult a doctor or pharmacist prior to using this medication if they are currently taking any prescription drugs. Antacids have the potential to interact with certain prescription medications, which may lead to adverse reactions or diminished efficacy of the prescribed treatment. It is essential for patients to disclose their complete medication history to healthcare providers to ensure safe and effective use of this product.

Drug Interactions

There are currently no documented drug interactions associated with this medication. Additionally, there is no information available regarding 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 D-Cal (calcium carbonate). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for D-Cal.
Details

Pediatric Use

Pediatric patients should not exceed a maximum dosage of 5 tablets within a 24-hour period. For children, the recommended administration is to chew 1 tablet daily. If symptoms persist, it is advised to consult a healthcare professional.

Geriatric Use

Elderly patients may not have specific information regarding the use of D-CAL (calcium carbonate) chewable tablets, including dosage adjustments, safety concerns, or special precautions. As such, healthcare providers should exercise caution when prescribing this medication to geriatric patients.

Due to the lack of available data, it is advisable for clinicians to closely monitor elderly patients for any potential adverse effects or complications associated with the use of this product. Individual patient factors, including comorbidities and concurrent medications, should be considered when determining the appropriateness of D-CAL for geriatric patients.

Pregnancy

The available data regarding the use of this medication during pregnancy is limited. There are no specific safety concerns outlined in the prescribing information that would contraindicate its use in pregnant patients. Additionally, there are no dosage modifications recommended for individuals who are pregnant. Furthermore, the prescribing information does not indicate any special precautions that need to be taken when administering this medication to pregnant individuals.

Healthcare professionals should consider the potential benefits and risks when prescribing this medication to women of childbearing potential, as well as the lack of specific data on fetal outcomes. It is advisable to monitor any pregnant patients receiving this medication closely, although no specific adverse effects have been documented in the available literature.

Lactation

There are no specific warnings or recommendations regarding the use of D-CAL (calcium carbonate) for nursing mothers. Additionally, there are no considerations or precautions mentioned concerning lactation or the potential for excretion in breast milk. Therefore, healthcare professionals may consider the use of D-CAL in lactating mothers without specific concerns related to breastfeeding.

Renal Impairment

There is no specific information regarding dosage adjustments, special monitoring, or safety considerations for patients with renal impairment. Healthcare professionals should exercise caution when prescribing to patients with reduced kidney function, as the absence of detailed guidance necessitates careful clinical judgment. Regular monitoring of renal function may be advisable in 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 based on clinical judgment.

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, altered mental status, or any unusual physiological responses.

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. Healthcare professionals should also consider contacting a poison control center for additional 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 supportive care in the event of an overdose.

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 safety profile in nonclinical settings.

Postmarketing Experience

No postmarketing experience details are available in the insert text.

Patient Counseling

Healthcare providers should advise patients to keep this medication out of the reach of children to prevent accidental ingestion or misuse. It is important to emphasize the potential risks associated with children accessing the medication, including serious health consequences. Patients should be encouraged to store the medication in a secure location, such as a locked cabinet or high shelf, to ensure safety.

Storage and Handling

The product is supplied in a secure packaging format, ensuring integrity and safety. It is essential to store the product in a dry place to maintain its quality and efficacy. Healthcare professionals should be vigilant and refrain from using the product if the imprinted seal under the cap is torn or open, as this may indicate potential contamination or compromise of the product. Proper handling and storage conditions are crucial for ensuring the product's reliability and effectiveness.

Additional Clinical Information

No further data are available.

Drug Information (PDF)

This file contains official product information for D-Cal, 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 D-Cal, 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.