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Extra Strength Antacid

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Active ingredients
  • Calcium Carbonate 675 mg
  • Magnesium Hydroxide 135 mg
Other brand names
Drug classes
Blood Coagulation Factor, Calculi Dissolution Agent, Osmotic Laxative, 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
September 11, 2025
Drug Information (PDF)
Prescribing information, PDF file
Active ingredients
  • Calcium Carbonate 675 mg
  • Magnesium Hydroxide 135 mg
Other brand names
Drug classes
Blood Coagulation Factor, Calculi Dissolution Agent, Osmotic Laxative, 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
September 11, 2025
Manufacturer
DISCOUNT DRUG MART
Registration number
M001
NDC root
53943-108
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

Drug Mart Extra Strength Antacid Tablets are chewable tablets designed to help relieve common digestive discomforts such as heartburn, sour stomach, acid indigestion, and upset stomach. These tablets contain a combination of calcium and magnesium, which work together to neutralize stomach acid and provide quick relief from these symptoms.

Available in a fresh mint flavor, these gluten-free tablets come in a convenient pack of 100, making it easy for you to manage occasional digestive issues whenever they arise.

Uses

If you're experiencing discomfort from heartburn, sour stomach, or acid indigestion, this medication can help relieve those symptoms. It’s also effective for upset stomach caused by 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 associated with it.

Dosage and Administration

When you experience symptoms, you should chew 2 to 4 tablets completely, following your doctor's guidance if necessary. It's important to remember that you should not swallow the tablets whole; they need to be chewed to work effectively. This way, you can ensure that the medication is properly absorbed and helps relieve your symptoms.

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 mentioned, following these guidelines is crucial for 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 interactions with other prescription medications. Always consult with your doctor or pharmacist before starting, especially if you are currently taking any prescription drugs.

You should also be cautious about the dosage. Do not exceed 10 tablets in a 24-hour period, and avoid using the maximum dosage for more than two weeks to minimize the risk of side effects.

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 certain drugs.

While using this product, please remember not to exceed 10 tablets in a 24-hour period, and avoid using the maximum dosage for more than two weeks. This will help ensure your safety and the effectiveness of the treatment. If you experience any unusual symptoms or have concerns, don't hesitate to reach out to your healthcare provider for guidance.

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 follow the recommended dosage guidelines and not use the maximum dosage for more than 2 weeks. If you suspect an overdose, look out for signs such as unusual drowsiness, confusion, or difficulty breathing.

If you or someone else may have taken too much, seek immediate medical help. It's always better to be safe, so don’t hesitate to contact a healthcare professional or call emergency services if you notice any concerning symptoms. Remember, staying within the recommended limits is key to ensuring your safety.

Pregnancy Use

When it comes to using this product during pregnancy, there is no specific information available about its safety, dosage adjustments, or any special precautions you should take. This means that if you are pregnant or planning to become pregnant, it’s important to consult with your healthcare provider before using this product. They can help you understand any potential risks and make informed decisions about your health and the health of your baby. Always prioritize open communication with your doctor regarding any medications or treatments during pregnancy.

Lactation Use

If you are breastfeeding, you can feel reassured that there are no specific warnings or recommendations regarding the use of this product while nursing. Additionally, there is no information available about whether this product is excreted in breast milk or any potential risks to your infant. Always consult with your healthcare provider if you have any concerns or questions about medications while breastfeeding.

Pediatric Use

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

When administering the medication, you should have your child chew 2 to 4 tablets completely as symptoms arise or as directed by a healthcare professional. Remember, the tablets should not be swallowed whole. Always follow the guidance provided by your healthcare provider to ensure safe and effective use.

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 the drug insert does not provide guidelines tailored for elderly patients.

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 assess individual health needs and determine the best approach to treatment, ensuring safety and effectiveness.

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 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 have open conversations with your healthcare provider about any medications you are taking, as well as any lab tests you may undergo. While there are no specific drug interactions or laboratory test interactions noted for this medication, your healthcare provider can help ensure that your overall treatment plan is safe and effective. Always share your complete list of medications and any health concerns to receive the best care possible.

Storage and Handling

To ensure the best performance of your product, store it at room temperature. It's important to keep it away from high humidity, as excess moisture can affect its quality.

When handling the product, make sure to do so in a clean environment to maintain its integrity. Always follow any specific instructions provided for safe use and disposal to ensure your safety and the product's effectiveness.

Additional Information

You should take this medication orally and be mindful of your dosage. It's important not to exceed 10 tablets in a 24-hour period, and you should not use the maximum dosage for more than 2 weeks. If you are currently taking any prescription drugs, consult with your doctor or pharmacist before using this product, as antacids can interact with certain medications.

FAQ

What is Drug Mart Extra Strength Antacid Tablets used for?

It relieves heartburn, sour stomach, acid indigestion, and upset stomach due to these symptoms.

How should I take Drug Mart Extra Strength Antacid Tablets?

You should chew 2-4 tablets completely as symptoms occur or as directed by a doctor. Do not swallow the tablets whole.

Are there any warnings I should be aware of?

Yes, ask a doctor or pharmacist before use if you are taking a prescription drug, as antacids may interact with certain medications.

What are the dosage limits for this product?

Do not take more than 10 tablets in a 24-hour period and do not use the maximum dosage for more than 2 weeks.

Is this product safe to use during pregnancy or while nursing?

The insert does not provide specific information regarding use during pregnancy or nursing, so consult your doctor for advice.

What should I do if I have questions about this product?

You can contact Drug Mart-Food Fair at 866-467-2748 or visit their website at www.discount-drugmart.com.

How should I store Drug Mart Extra Strength Antacid Tablets?

Store at room temperature and avoid high humidity.

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

Do not use the product if the inner seal is torn or missing, as it indicates tampering.

Packaging Info

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

Packaging configurations for Extra Strength Antacid.
Details

Drug Information (PDF)

This file contains official product information for Extra Strength Antacid, 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, sour stomach, acid indigestion, and upset stomach associated with these symptoms.

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

Dosage and Administration

Patients should chew 2 to 4 tablets completely as symptoms occur or as directed by a healthcare professional. It is important to note that the tablets must not be swallowed whole; they should be thoroughly chewed to ensure proper administration and effectiveness.

Contraindications

There are no specific contraindications identified for this product. However, it is essential to adhere to the following usage guidelines to ensure safety and efficacy.

Patients should not exceed a maximum dosage of 10 tablets within a 24-hour period. Additionally, the maximum dosage should not be used for more than 2 weeks to mitigate potential risks associated with prolonged use.

Warnings and Precautions

Healthcare professionals should advise patients to consult with a physician or pharmacist prior to using this product if they are currently taking any prescription medications, as antacids may interact with certain drugs.

When administering this product, it is crucial to adhere to the following precautions: patients should not exceed a maximum dosage of 10 tablets within a 24-hour period. Additionally, the maximum dosage should not be utilized for more than two consecutive weeks to prevent potential adverse effects.

There are no specific laboratory tests recommended for monitoring 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 a prescription medication, as antacids may interact with certain prescription drugs.

When using this product, patients are advised not to exceed a maximum dosage of 10 tablets within a 24-hour period. Additionally, the maximum dosage should not be utilized for more than 2 weeks to avoid potential complications. Adhering to these guidelines is crucial for minimizing the risk of adverse effects.

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 Extra Strength Antacid (calcium carbonate, magnesium hydroxide). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Extra Strength Antacid.
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 currently taking any prescription medications, as antacids may interact with certain drugs.

For dosing, pediatric patients are directed to chew 2-4 tablets completely as symptoms occur or as directed by a healthcare professional. It is crucial that the tablets are not swallowed whole.

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

The available prescribing information does not provide specific data regarding the use of this product during pregnancy. Consequently, the safety concerns, dosage modifications, or special precautions for pregnant patients remain undefined. Healthcare professionals should exercise caution when considering this product for women of childbearing potential and weigh the potential risks against the benefits. It is advisable to discuss any potential implications with patients who are pregnant or planning to become pregnant.

Lactation

There are no specific warnings or recommendations regarding the use of this product by lactating mothers. Additionally, there is no information available about the potential for excretion in breast milk or any associated risks to breastfed infants.

Renal Impairment

Patients with renal impairment may not have specific dosage adjustments, special monitoring, or safety considerations outlined in the prescribing information. Therefore, healthcare professionals should exercise caution when prescribing to patients with reduced kidney function, as the lack of detailed guidance necessitates careful clinical judgment and individualized patient assessment. Regular monitoring of renal function is advisable to ensure patient safety and therapeutic efficacy.

Hepatic Impairment

Patients with hepatic impairment have not been specifically studied in relation to the use of this medication. Consequently, there are no 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 cases 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 the event of suspected overdosage, immediate medical attention is advised. Symptoms of overdosage may vary and can include a range of physiological responses. Management of overdosage should be conducted in a clinical setting, where healthcare providers can monitor the patient closely and implement appropriate interventions based on the severity of symptoms presented.

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 question. Further studies may be necessary to elucidate these aspects of nonclinical toxicology.

Postmarketing Experience

No postmarketing experience details are available in the insert.

Patient Counseling

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

When discussing the usage of this product, it is important to inform patients that they should not exceed a maximum 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 also be encouraged to consult with their healthcare provider or pharmacist prior to use if they are currently taking any prescription medications. This is particularly important as antacids may interact with certain prescription drugs, which could lead to unintended consequences.

Storage and Handling

The product is supplied in various package configurations, with specific NDC numbers available for identification. It is essential to store the product at room temperature, ensuring that it is kept in an environment that avoids high humidity. Proper storage conditions are crucial to maintain the integrity and efficacy of the product.

Additional Clinical Information

The product is administered orally. Clinicians should advise patients to consult a doctor or pharmacist prior to use if they are currently taking any prescription medications, as antacids may interact with certain drugs. Patients are also cautioned not to exceed 10 tablets within a 24-hour period and to avoid using the maximum dosage for more than two weeks.

Drug Information (PDF)

This file contains official product information for Extra Strength 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 Extra Strength 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.