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Calcium carbonate

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This product has been discontinued

Active ingredient
Calcium Carbonate 648 mg
Other brand names
Dosage form
Tablet
Route
Oral
Prescription status
OTC (over the counter)
Pregnancy
See Pregnancy Use Section
Lactation
See Lactation Use Section
Marketed in the U.S.
Since 2006
Label revision date
January 11, 2021
Drug Information (PDF)
Prescribing information, PDF file
Active ingredient
Calcium Carbonate 648 mg
Other brand names
Dosage form
Tablet
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 2006
Label revision date
January 11, 2021
Manufacturer
Pharbest Pharmaceuticals Inc.
Registration number
part331
NDC root
16103-377
Drug Information (PDF)
Prescribing information, PDF file
Packaging Info (2 NDCs)
Packaging & NDC Codes (2)

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

PHARBEST is an antacid that contains calcium carbonate, which is a substance that helps neutralize stomach acid. It is designed to provide relief from common digestive discomforts such as acid indigestion, heartburn, sour stomach, and upset stomach associated with these symptoms. PHARBEST is a calcium-rich and low-sodium option, making it a suitable choice for those looking to manage their stomach issues while also getting some additional calcium.

This product is manufactured in the U.S.A. and comes in a package containing 1000 tablets, making it convenient for household use. If you're experiencing occasional stomach discomfort, PHARBEST may help alleviate those symptoms effectively.

Uses

If you're experiencing discomfort from acid indigestion, heartburn, or a sour stomach, this medication can help provide relief. It is specifically designed to ease the symptoms associated with these conditions, including an upset stomach that may arise from them.

You can feel confident using this medication, as it has no reported teratogenic effects (which means it does not cause birth defects) or nonteratogenic effects. This makes it a safe option for managing your digestive discomfort.

Dosage and Administration

You can take two to four tablets when you start to feel symptoms, or you can follow your doctor's instructions if they have provided specific guidance. It's important to only take the amount recommended to ensure your safety and effectiveness of the medication. Always remember to consult with your healthcare provider if you have any questions or concerns about how to use this medication properly.

What to Avoid

It's important to use this medication responsibly to ensure your safety and well-being. You should not take more than 10 tablets within a 24-hour period, as exceeding this limit can lead to serious health issues. Additionally, avoid using the maximum dosage for longer than 2 weeks to prevent potential complications.

While there are no specific contraindications or concerns about abuse, misuse, or dependence (which means relying on a substance), it's crucial to follow these guidelines to maintain your health. 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 your doctor if you have a history of kidney stones or are on a calcium-restricted diet. Additionally, if you are currently taking any prescription medications, speak with your doctor or pharmacist, as antacids can interact with certain drugs.

To ensure your safety, do not exceed 10 tablets in a 24-hour period, and avoid using the maximum dosage for more than two weeks. Always keep this product out of the reach of children.

Warnings and Precautions

Before using this medication, it's important to consult your doctor if you have a history of kidney stones or if you are on a calcium-restricted diet. These conditions may affect how the medication works for you.

Additionally, if you are currently taking any prescription medications, please speak with your doctor or pharmacist before starting this treatment, as antacids can interact with certain drugs. Always prioritize your health and safety by seeking professional advice when needed.

Overdose

Taking more than 10 tablets in a 24-hour period can lead to an overdose, which is a serious situation. It's important to be mindful of your dosage and not to use the maximum amount for more than 2 weeks. If you suspect an overdose, look out for signs such as unusual drowsiness, confusion, or difficulty breathing (respiratory depression).

If you experience any of these symptoms or if you think you have taken too much, seek immediate medical help. Always prioritize your health and safety by following the recommended dosage guidelines.

Pregnancy Use

If you are pregnant or planning to become pregnant, it's important to know that there is no specific information available about the use of Calcium Carbonate during pregnancy. This means that safety concerns, dosage adjustments, or any special precautions related to its use in pregnant individuals have not been clearly established.

Before taking Calcium Carbonate or any supplement, it's best to consult with your healthcare provider to discuss your individual situation and ensure the safety of you and your baby.

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, it's best to approach this with caution. 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 the reach of children to ensure their safety. If you have young children at home, please note that this package is specifically designed for households without young children. Always take precautions to store medications securely and supervise your children to prevent accidental ingestion.

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 issues, it's important to consult your doctor before using this medication, especially if you have a history of kidney stones or if you are on a calcium-restricted diet. These conditions can affect how your body processes the medication, and your doctor can provide guidance tailored to your specific health needs. Always prioritize open communication with your healthcare provider to ensure safe and effective treatment.

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 you understand how to manage your health while considering your liver condition.

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 could 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 and safety of your product, store it at a controlled room temperature between 15°C and 30°C (59°F to 86°F). It's important to keep it within this temperature range to maintain its effectiveness. Always check the expiration date on the package and use the product before this date to ensure its safety and reliability.

When handling the product, make sure to do so with clean hands and in a clean environment to avoid contamination. Following these guidelines will help you use the product safely and effectively.

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 PHARBEST?

PHARBEST is a calcium carbonate-based antacid that provides relief from acid indigestion, heartburn, sour stomach, and upset stomach.

How should I take PHARBEST?

You should take two to four tablets as symptoms occur or as directed by a doctor, but do not exceed 10 tablets in 24 hours.

Are there any contraindications for using PHARBEST?

No specific contraindications are mentioned, but you should consult a doctor if you have kidney stones or are on a calcium-restricted diet.

Can I use PHARBEST if I am pregnant?

There is no specific information regarding the use of PHARBEST during pregnancy, so consult your doctor before use.

Is it safe to use PHARBEST while breastfeeding?

Nursing mothers should consult a doctor before using PHARBEST, as there is a potential for excretion in breast milk.

What should I do if I am taking other medications?

Ask a doctor or pharmacist before using PHARBEST, as antacids may interact with certain prescription drugs.

How should I store PHARBEST?

Store PHARBEST at a controlled room temperature between 15°C to 30°C (59°F to 86°F) and use it by the expiration date on the package.

What are the potential side effects of PHARBEST?

No specific side effects are mentioned, but you should stop using it and consult a doctor if you experience any unusual symptoms.

What is the active ingredient in PHARBEST?

The active ingredient in PHARBEST is calcium carbonate, which is also the active ingredient in Tums®.

Who should keep PHARBEST out of reach?

Keep PHARBEST out of the reach of children, as the package is intended for households without young 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

PHARBEST is an antacid formulation containing calcium carbonate as its active ingredient, designed for the relief of heartburn and indigestion. Each tablet provides 10 grams (648 mg) of calcium carbonate, contributing to its efficacy as a calcium-rich, low-sodium antacid. The product is packaged in a container containing 1000 tablets and is manufactured in the U.S.A. It is intended for use in households without young children. The formulation is comparable to the active ingredient found in Tums®. The National Drug Code (NDC) for this product is 16103-0377-11.

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 should take two to four tablets as symptoms occur, or as directed by a healthcare professional. It is important to adhere to the recommended dosage and not exceed the maximum dosage unless specifically instructed 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. Additionally, prolonged use at the maximum dosage for more than 2 weeks is contraindicated. Adherence to these guidelines is essential to prevent potential adverse effects associated with excessive intake.

Warnings and Precautions

It is imperative that healthcare professionals advise patients to consult a physician prior to use if they have a history of kidney stones or are adhering to a calcium-restricted diet. These conditions may influence the safety and efficacy of the treatment.

Healthcare providers should also recommend that patients seek guidance from a doctor or pharmacist before initiating use if they are currently taking any prescription medications. This is crucial as antacids have the potential to interact with certain prescription drugs, which could lead to adverse effects or diminished therapeutic outcomes.

No specific laboratory tests have been identified for monitoring in relation to the use of this treatment. However, ongoing assessment of the patient's overall health and medication regimen is advisable to ensure safe and effective use.

Side Effects

Patients should be aware of the potential adverse reactions associated with the use of this product. It is important to consult a healthcare professional before use if the patient has a history of kidney stones or is on a calcium-restricted diet. Additionally, patients currently taking prescription medications should seek advice from a doctor or pharmacist, as antacids may interact with certain drugs.

When using this product, patients are advised not to exceed a maximum dosage of 10 tablets within a 24-hour period and should refrain from using the maximum dosage for more than two weeks.

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

Drug Interactions

Antacids may interact with various prescription medications, potentially affecting their absorption and efficacy. It is advisable to separate the administration of antacids and other medications by at least two hours to minimize the risk of interaction. Monitoring for therapeutic effectiveness of the affected drugs is recommended when antacids are used concurrently.

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 kept out of reach of children. The packaging is specifically designed for households without young children, emphasizing the importance of ensuring that this product is stored safely to prevent accidental ingestion or exposure.

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

There is no specific information available regarding the use of Calcium Carbonate during pregnancy, including safety concerns, dosage modifications, or special precautions. Healthcare professionals should consider the lack of data when prescribing this medication to pregnant patients. It is advisable to weigh the potential benefits against any unknown risks to fetal outcomes. Women of childbearing potential should be counseled on the importance of discussing any medications with their healthcare provider prior to use during pregnancy.

Lactation

Lactating 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 should consult a healthcare professional prior to use if they have a history of kidney stones or are on a calcium-restricted diet. These considerations are important to ensure safe and effective use of the medication in individuals with reduced kidney 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 event of overdosage, it is critical to adhere to the recommended dosage guidelines to prevent adverse effects. The maximum allowable dosage is 10 tablets within a 24-hour period. Exceeding this limit may lead to significant health risks.

Healthcare professionals should be aware that the maximum dosage should not be utilized for more than 2 weeks. Prolonged use at this level may increase the likelihood of toxicity and other serious complications.

In cases of suspected overdosage, immediate medical attention is advised. Symptoms may vary depending on the specific circumstances and the individual’s health status. Management procedures should include supportive care and symptomatic treatment as necessary. Monitoring of the patient’s condition is essential to address any potential complications that may arise from the overdosage.

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 compound in these areas.

Postmarketing Experience

Reports of adverse drug events have been received through voluntary reporting and surveillance programs. Healthcare professionals and patients are encouraged to report any adverse events to the designated call center at (866) 562-2756. This information contributes to the ongoing monitoring of the drug's safety profile.

Patient Counseling

Healthcare providers should advise patients to keep the medication out of the reach of children to prevent accidental ingestion. It is important to inform patients not to exceed a maximum dosage of 10 tablets within a 24-hour period. Additionally, patients should be cautioned against using the maximum dosage for more than 2 weeks to avoid potential adverse effects.

Patients should be encouraged to consult with their healthcare provider before use if they have a history of kidney stones or if they are on a calcium-restricted diet, as these conditions may influence the safety and efficacy of the medication. Furthermore, it is essential for patients to discuss any current prescription medications with their doctor or pharmacist prior to use, as antacids may interact with certain prescription drugs, potentially leading to unintended consequences.

Storage and Handling

The product is supplied in various package configurations, with specific NDC numbers available upon request. It should be stored at a controlled room temperature ranging from 15°C to 30°C (59°F to 86°F). It is essential to adhere to the expiration date indicated on the package to ensure product efficacy and safety.

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.