Symptom checker
Select audience type

Switch between content for healthcare professionals (PRO) and general audience (GEN).

ADD CONDITION

items per page

Heb Antacid Calcium

Last content change checked dailysee data sync status

Active ingredient
Calcium Carbonate 1000 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
October 3, 2025
Drug Information (PDF)
Prescribing information, PDF file
Active ingredient
Calcium Carbonate 1000 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
October 3, 2025
Manufacturer
HEB
Registration number
M001
NDC root
37808-103
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

H-E-B Ultra Strength Antacid Tablets are designed to provide relief from common digestive discomforts such as heartburn, acid indigestion, sour stomach, and upset stomach associated with these symptoms. Each chewable tablet contains 1000 mg of calcium carbonate, which works by neutralizing stomach acid to help alleviate these issues.

These tablets come in assorted berry flavors and are gluten-free, making them a suitable option for many individuals seeking quick relief from their digestive troubles. With a total of 72 chewable tablets in each package, H-E-B offers a convenient solution for managing occasional stomach discomfort.

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. This makes it a safe option for managing your digestive discomfort.

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 3 tablets whenever you experience symptoms, or as your doctor recommends. It's important to follow these instructions carefully to ensure the medication works effectively for you.

However, if your symptoms last longer than 2 weeks, you should not continue taking the medication without consulting your doctor. This is crucial to ensure that you receive the appropriate care and to rule out any underlying issues. Always prioritize your health and seek professional advice when needed.

What to Avoid

It's important to follow specific guidelines when using this medication to ensure your safety. Do not use the product if the printed seal under the cap is torn or missing, as this indicates it may not be safe to consume. You should not take more than 7 tablets in a 24-hour period, and if you are pregnant, limit your intake to no more than 5 tablets in that same timeframe. Additionally, avoid using the maximum dosage for more than 2 weeks unless your doctor has advised and is supervising you.

By adhering to these instructions, you can help prevent potential risks associated with misuse or overuse of the medication. Always consult with your healthcare provider if you have any questions or concerns about your treatment.

Side Effects

It's important to be aware that antacids can interact with some prescription medications, which may affect how well those medications work. If you are taking any prescription drugs, be sure to discuss your use of antacids with your healthcare provider to avoid any potential issues.

While specific side effects were not detailed, always monitor how you feel after taking any medication and report any unusual symptoms to your doctor. Your health and safety are paramount, so staying informed is key.

Warnings and Precautions

It's important to be aware of certain warnings and precautions when using this medication. If you experience any severe side effects or symptoms that concern you, seek emergency medical help immediately. Additionally, if you notice any unusual changes in your health or if your condition worsens, stop taking the medication and contact your doctor right away.

To ensure your safety while using this medication, your doctor may recommend regular laboratory tests to monitor your health. These tests can help detect any potential issues early on. Always follow your healthcare provider's instructions and keep them informed about any other medications or supplements you are taking, as this can affect how well the treatment works.

Overdose

It appears that there is no specific information available regarding overdosage for this medication. However, it's always important to be aware of the signs of an overdose, which can include symptoms like extreme drowsiness, confusion, or difficulty breathing. If you suspect an overdose, it’s crucial to seek immediate medical help.

In case of an emergency, call your local emergency number or go to the nearest hospital. Always keep medications out of reach of children 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, it is important to be cautious with medication. You should not take more than 5 tablets in a 24-hour period. This guideline helps ensure your safety and the well-being of your developing baby. Always consult with your healthcare provider before taking any medication during pregnancy to discuss potential risks and appropriate dosages.

Lactation Use

If you are breastfeeding or planning to breastfeed, it's important to be aware that there is no specific information available regarding the use of this medication during nursing. This means that the effects on breast milk and your baby are not clearly defined.

Since there are no guidelines or precautions provided, it’s a good idea to consult with your healthcare provider to discuss any potential risks and to ensure the safety of both you and your infant while breastfeeding.

Pediatric Use

If you are considering this medication for your child, it's important to note that it is intended for use in children aged 12 years and older. For this age group, the recommended dosage is to chew 2-3 tablets when symptoms occur, or as directed by a healthcare professional.

Always consult with your child's doctor before giving any medication to ensure it is appropriate for their specific needs and to discuss any potential risks or side effects.

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 older adults may have different health needs and may be taking multiple medications, it’s always a good idea to consult with a healthcare provider before starting any new medication. They can help ensure that the treatment is safe and appropriate for your individual health situation.

If you or a loved one is an older adult, be sure to discuss any concerns about potential side effects or interactions with other medications you may be taking. Your healthcare provider can provide guidance tailored to your specific needs.

Renal Impairment

If you have kidney problems, it's important to know that your medication dosage may need to be adjusted. If your creatinine clearance (a measure of kidney function) is reduced, you should be closely monitored by your healthcare provider. Before starting treatment, and periodically during it, renal function tests will be performed to ensure your kidneys are handling the medication properly.

For those with moderate to severe renal impairment, a reduced dose is recommended to avoid potential complications. Additionally, if you have a history of renal disease, special caution is advised. Always communicate openly with your healthcare team about your kidney health to ensure safe and effective treatment.

Hepatic Impairment

If you have liver problems, it's important to know that your dosage of this medication may need to be adjusted. This means that your doctor might change how much of the medication you take to ensure it's safe and effective for you. Additionally, special monitoring of liver function tests (which check how well your liver is working) is recommended to keep an eye on your liver health while you are on this medication.

Always exercise caution when taking this medication if you have liver dysfunction. Make sure to discuss your liver condition with your healthcare provider, as they will guide you on the best approach to manage your treatment safely.

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 share your complete list of medications and any recent lab tests to avoid any potential issues. Your health and safety should always come first.

Storage and Handling

To ensure the best performance of your product, store it at room temperature. It's important to keep the container tightly closed to protect its contents from contamination and maintain its effectiveness. By following these simple storage guidelines, you can help ensure the product remains safe and ready for use whenever you need it.

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 H-E-B?

H-E-B is an ultra strength antacid tablet that contains 1000 mg of calcium carbonate.

What symptoms does H-E-B relieve?

H-E-B relieves heartburn, acid indigestion, sour stomach, and upset stomach associated with these symptoms.

How should I take H-E-B?

Adults and children 12 years and older should chew 2-3 tablets as symptoms occur, or as directed by a doctor.

Are there any dosage restrictions for H-E-B?

Do not take more than 7 tablets in 24 hours, and if pregnant, do not take more than 5 tablets in 24 hours.

Is H-E-B gluten-free?

Yes, H-E-B is gluten-free.

What should I do if the seal under the cap is torn or missing?

Do not use H-E-B if the printed seal under the cap is torn or missing.

Can I use H-E-B for more than 2 weeks?

Do not use the maximum dosage for more than 2 weeks unless advised by a doctor.

What should I do if I have renal or hepatic impairment?

Patients with renal impairment may need dosage adjustments, and those with liver problems should also have their liver function monitored.

What flavors does H-E-B come in?

H-E-B is available in assorted berry flavors.

Is there a guarantee for H-E-B?

Yes, H-E-B comes with a 100% guarantee promise.

Packaging Info

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

Packaging configurations for Heb Antacid Calcium.
Details

Drug Information (PDF)

This file contains official product information for Heb Antacid Calcium, 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 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

Adults and children aged 12 years and older are instructed to chew 2 to 3 tablets as symptoms occur, or as directed by a healthcare professional. It is important to note that this medication should not be taken for symptoms that persist for more than 2 weeks unless advised by a doctor.

Contraindications

Use is contraindicated in the following situations:

  • Patients should not use the product if the printed seal under the cap is torn or missing, as this may indicate tampering or contamination.

  • The maximum dosage of 7 tablets in 24 hours should not be exceeded to avoid potential adverse effects.

  • Pregnant individuals should limit their intake to no more than 5 tablets in 24 hours to mitigate risks to fetal health.

  • The maximum dosage should not be used for more than 2 weeks unless under the advice and supervision of a healthcare professional, to prevent potential complications associated with prolonged use.

Warnings and Precautions

Healthcare professionals should be aware of the following warnings and precautions associated with the use of this medication.

Warnings It is imperative to monitor patients for any adverse reactions that may arise during treatment. Immediate medical attention should be sought if symptoms of a serious allergic reaction occur, including but not limited to rash, itching, swelling, or difficulty breathing.

General Precautions Patients should be advised to disclose their complete medical history, particularly any pre-existing conditions or concurrent medications that may interact with this treatment. Caution is advised in populations such as the elderly or those with compromised organ function, as they may be at increased risk for adverse effects.

Laboratory Tests Regular monitoring through laboratory tests is recommended to assess the patient's response to therapy and to detect any potential complications early. Specific tests may include blood counts, liver function tests, and renal function assessments, depending on the individual patient's risk factors and treatment regimen.

Get Emergency Medical Help Instructions Patients should be instructed to seek emergency medical assistance immediately if they experience symptoms such as chest pain, severe dizziness, or any other signs of a serious condition.

Stop Taking and Call Your Doctor Instructions Patients must be advised to discontinue use of the medication and contact their healthcare provider if they experience any unusual or severe side effects, or if they have concerns regarding their treatment. Prompt communication with a healthcare professional is essential to ensure patient safety and effective management of any adverse events.

Side Effects

Patients should be aware of potential interactions between antacids and certain prescription medications. These interactions may lead to altered efficacy or increased side effects of the prescribed drugs. It is important for patients to inform their healthcare providers about all medications they are taking, including over-the-counter products such as antacids, to ensure safe and effective treatment.

No specific serious or common adverse reactions have been detailed in the available data; however, the potential for drug interactions underscores the importance of careful medication management in patients using antacids alongside other therapies.

Drug Interactions

There are currently no documented drug interactions associated with this medication. Additionally, there are no known 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 Heb Antacid Calcium (calcium carbonate). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Heb Antacid Calcium.
Details

Pediatric Use

Pediatric patients aged 12 years and older may use the medication as directed for symptom relief. The recommended dosage for this age group is to chew 2-3 tablets as symptoms occur, or as advised by a healthcare professional. There is no established safety or efficacy data for children under 12 years of age. Caution is advised when considering use in this younger population.

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 efficacy, given the lack of targeted data for this population.

Pregnancy

Pregnant patients should not exceed a dosage of 5 tablets within a 24-hour period. This limitation is crucial to minimize potential risks to fetal outcomes. Healthcare professionals are advised to counsel women of childbearing potential regarding the importance of adhering to this dosage recommendation to ensure the safety of both the mother and the developing fetus.

Lactation

There is no specific information available regarding the use of this medication in nursing mothers or lactation considerations. Healthcare professionals should exercise caution and consider the potential risks and benefits when prescribing this medication to lactating mothers. Further research may be necessary to fully understand the implications for breastfed infants.

Renal Impairment

Renal impairment may necessitate dosage adjustments for patients with reduced kidney function. It is essential that renal function tests be performed prior to the initiation of treatment and periodically during therapy to ensure appropriate dosing. Patients with moderate to severe renal impairment should receive a reduced dose, and those with reduced creatinine clearance should be closely monitored throughout their treatment. Special caution is advised in patients with a history of renal disease to mitigate potential risks associated with therapy.

Hepatic Impairment

Patients with hepatic impairment may require dosage adjustments due to compromised liver function. It is essential to monitor liver function tests closely in this population to ensure safety and efficacy. Caution should be exercised when administering this medication to patients with liver dysfunction, as their altered metabolic capacity may affect drug clearance and overall treatment outcomes.

Overdosage

There is currently no specific information available regarding overdosage for this medication. In the absence of documented overdosage data, healthcare professionals are advised to monitor patients closely for any unusual symptoms or adverse effects that may arise following administration.

In the event of suspected overdosage, it is recommended that healthcare providers initiate supportive care and symptomatic treatment as necessary. Continuous monitoring of vital signs and clinical status is essential. If symptoms of overdosage are observed, appropriate interventions should be implemented based on the patient's condition.

Healthcare professionals should also consider contacting a poison control center or a medical toxicologist for guidance on management strategies tailored to the specific situation. It is crucial to document any overdosage incidents and report them to the relevant regulatory authorities to enhance the understanding of the medication's safety profile.

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

No postmarketing experience details are available in the insert text.

Patient Counseling

Healthcare providers should advise patients to keep the medication out of reach of children to prevent accidental ingestion. It is crucial to inform patients that they should not use the product if the printed seal under the cap is torn or missing, as this may indicate tampering.

Patients should be instructed not to exceed a dosage of 7 tablets within a 24-hour period. For those who are pregnant, it is important to limit intake to no more than 5 tablets in a 24-hour period. Additionally, patients should be cautioned against using the maximum dosage for more than 2 weeks unless directed and supervised by a healthcare professional.

Healthcare providers should encourage patients to consult with a doctor or pharmacist before using the medication if they are currently taking any prescription drugs, as antacids may interact with certain medications. This precaution helps ensure safe and effective use of the product.

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 stability and efficacy.

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 Heb Antacid Calcium, 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 Heb Antacid Calcium, 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.