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Calcium carbonate/Magnesium hydroxide

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Active ingredients
  • Calcium Carbonate 400 mg/5 mL – 1330 mg
  • Magnesium Hydroxide 135 mg/5 mL – 250 mg
Reference brand
Geri-Lanta Supreme Cherry
Drug classes
Blood Coagulation Factor, Calculi Dissolution Agent, Osmotic Laxative, Phosphate Binder
Dosage forms
  • Liquid
  • Suspension
  • Tablet, Chewable
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2000
Label revision date
January 14, 2026
Pregnancy
See Pregnancy Use Section
Lactation
See Lactation Use Section
Active ingredients
  • Calcium Carbonate 400 mg/5 mL – 1330 mg
  • Magnesium Hydroxide 135 mg/5 mL – 250 mg
Reference brand
Geri-Lanta Supreme Cherry
Drug classes
Blood Coagulation Factor, Calculi Dissolution Agent, Osmotic Laxative, Phosphate Binder
Dosage forms
  • Liquid
  • Suspension
  • Tablet, Chewable
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 2000
Label revision date
January 14, 2026
Pregnancy
See Pregnancy Use Section
Lactation
See Lactation Use Section
Product Labels (30)
Product Labels (30)

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Drug Overview

Rolaids is an antacid that contains calcium carbonate and magnesium hydroxide, which work together to provide relief from common digestive discomforts. It is designed to help alleviate symptoms such as heartburn, sour stomach, acid indigestion, and upset stomach associated with these issues. Rolaids is available in various forms, including chewable tablets and soft chews, and comes in different flavors like mint and assorted fruit.

This medication acts quickly to neutralize stomach acid, offering fast relief when you need it most. Whether you choose the ultra strength or extra strength formulation, Rolaids is a trusted option for managing occasional heartburn and related symptoms.

Uses

You can use this medication to relieve various digestive discomforts, including heartburn, sour stomach, acid indigestion, and upset stomach associated with these symptoms. Whether you experience these issues occasionally or more frequently, this antacid is designed to help alleviate your discomfort effectively.

It's available in different forms, such as chewable tablets and liquid, making it easy to take when you need relief. Remember, if you have any concerns about your symptoms or how to use this medication, it's always a good idea to consult with a healthcare professional.

Dosage and Administration

You can take chewable antacid tablets if you're experiencing symptoms. For adults and children aged 12 years and older, chew 2 to 4 tablets as symptoms occur, or as directed by a doctor. Make sure to chew the tablets completely; do not swallow them whole.

If you're using a liquid antacid, shake the bottle well before use. For adults and children 12 years and older, take 2 to 4 teaspoonfuls (a teaspoonful is about 5 milliliters) two times a day, or as directed by a doctor. You can also take it between meals or at bedtime. However, do not exceed 18 teaspoonfuls in a 24-hour period, and avoid using the maximum dosage for more than 2 weeks. If the user is under 12 years old, consult a doctor before use.

What to Avoid

You should avoid taking more than the recommended number of tablets or chews within a 24-hour period, which varies by product (typically between 5 to 10 tablets). Additionally, do not use the maximum dosage for more than 2 weeks unless advised by a doctor. If your symptoms persist for more than two weeks, refrain from using the product and consult a healthcare professional. There are no specified contraindications, controlled substance classifications, or concerns regarding abuse or dependence for these antacids.

Side Effects

When using antacids, it's important to be aware of potential side effects and precautions. You should consult a doctor or pharmacist if you are currently taking prescription medications, as antacids may interact with them. If you have kidney disease or are on a magnesium-restricted diet, seek medical advice before use.

Generally, do not exceed the recommended dosage: for most tablets, this is typically no more than 10 tablets in a 24-hour period, while some specific products may limit you to 5 or 7 tablets. It's advised not to use the maximum dosage for more than 2 weeks unless directed by a healthcare professional. If symptoms persist beyond two weeks, stop using the product and consult a doctor. Always keep these medications out of reach of children.

Warnings and Precautions

  • Before using any antacid, ask your doctor or pharmacist if you are currently taking a prescription medication, as antacids can interact with certain drugs. If you have kidney disease or are on a magnesium-restricted diet, consult your doctor before use.

  • Do not exceed the recommended dosage:

    • For chewable tablets, do not take more than 5 to 10 tablets in a 24-hour period, depending on the specific product.

    • For liquid forms, do not take more than 60 mL or 18 teaspoonfuls in a 24-hour period.

    • Avoid using the maximum dosage for more than 2 weeks unless directed by a doctor.

  • If your symptoms last more than two weeks, stop using the product and contact your doctor. Always keep these medications out of reach of children.

Overdose

If you are using antacids, it's important to follow the recommended dosages to avoid potential issues. For most tablet and chewable forms, do not take more than 10 tablets in a 24-hour period, and avoid using the maximum dosage for more than 2 weeks. For specific liquid forms, such as Supreme Antacid and Geri-Lanta Supreme Cherry, do not exceed 18 teaspoonfuls in a 24-hour period, and similarly, do not use the maximum dosage for more than 2 weeks unless directed by a doctor.

If you suspect an overdose, look for signs such as unusual symptoms or discomfort. In case of an overdose, seek medical help immediately or contact your local poison control center. Always keep medications out of reach of children to prevent accidental ingestion.

Pregnancy Use

If you are pregnant or breastfeeding, it is important to consult a healthcare professional before using any Rolaids products, including Rolaids Ultra Strength, Extra Strength, and Original formulations. The available information does not specify safety concerns, dosage modifications, or special precautions for these antacids during pregnancy. While there are no explicit contraindications mentioned, caution is advised, as the safety of these products during pregnancy has not been established.

Always discuss your current medications with your doctor or pharmacist, as antacids may interact with certain prescription drugs. Prioritizing your health and the health of your baby is essential, so seeking professional guidance is recommended.

Lactation Use

If you are breastfeeding and considering using Rolaids or similar antacids, it's important to note that there are no specific warnings or recommendations regarding their use for nursing mothers across various product labels. However, none of the labels provide information about whether these products may pass into breast milk or pose any risk to your infant.

To ensure your safety and that of your baby, it is advisable to consult a healthcare professional before using any antacid if you are pregnant or breastfeeding.

Pediatric Use

You should keep all antacid products out of reach of children. For children under 12 years old, it's important to consult a doctor before using any antacid. For those aged 12 and older, the typical dosage is to chew 2-4 tablets as symptoms occur, or as directed by a doctor.

Be cautious not to exceed 7 tablets in a 24-hour period, and avoid using the maximum dosage for more than 2 weeks. Additionally, if your child is taking any prescription medications, consult a doctor or pharmacist first, as antacids may interact with these drugs.

Geriatric Use

When considering the use of Rolaids antacids, it's important to be aware of a few key points, especially if you are an older adult or a caregiver. If you have kidney disease, consult your doctor before using any Rolaids product, as antacids can affect kidney function. Additionally, if you are taking prescription medications, check with your doctor or pharmacist, since antacids may interact with these drugs.

For adults and children aged 12 and over, the typical dosage is 1-3 chewable tablets as symptoms occur, or 2-3 tablets for Rolaids Ultra Strength 1200. However, do not exceed 10 tablets in a 24-hour period, and avoid using the maximum dosage for more than 2 weeks unless directed by a healthcare professional. Always follow your doctor's advice for safe use.

Renal Impairment

If you have kidney disease, it's important to consult your doctor before using certain antacids. Specifically, products like Rolaids (including Ultra Strength, Extra Strength, and Original) and Supreme Antacid (in various forms) recommend that you ask a healthcare professional before use. This precaution helps ensure your safety, as these medications may not have specific guidelines for dosage adjustments or monitoring for individuals with kidney issues.

For most other antacids listed, there is no specific information provided regarding renal impairment, dosage adjustments, or safety considerations. Always prioritize discussing your health conditions with a healthcare provider to make informed decisions about your medication.

Hepatic Impairment

You can use various antacid products, including Rolaids and Supreme Antacid, without specific concerns regarding liver health. The information provided for these products does not indicate any need for dosage adjustments, special monitoring, or precautions for individuals with liver problems.

However, if you have liver impairment or any related health issues, it's always a good idea to consult with your healthcare provider before starting any new medication, including over-the-counter antacids.

Drug Interactions

When using antacids like Rolaids, it's important to know that they can interact with certain prescription medications. Specifically, ingredients such as calcium carbonate and magnesium hydroxide may affect how well these medications are absorbed and how effective they are. Because of this potential interaction, you should always discuss any medications or supplements you are taking with your healthcare provider or pharmacist. This ensures that you receive the best care and that your treatments work as intended.

Storage and Handling

To ensure the effectiveness and safety of your antacid products, store them at room temperature between 20°-25°C (68°-77°F). Keep the containers tightly closed and protect them from moisture and light. It's important not to use any product if the inner foil seal is broken or missing, as this indicates potential contamination.

For liquid antacids, refrigerate them after opening to maintain freshness, but do not freeze. Always keep these products out of reach of children and follow any specific disposal instructions provided on the label, such as discarding them after opening if not used within a certain timeframe.

Uses and Indications

This drug is indicated for the relief of heartburn, sour stomach, acid indigestion, and upset stomach associated with these symptoms. It is available in various forms, including tablets and chewable tablets, as well as liquid suspensions.

Conditions Treated

  • Heartburn

  • Sour Stomach

  • Acid Indigestion

  • Upset Stomach associated with the above symptoms

Limitations of Use

No teratogenic or nonteratogenic effects have been mentioned in the provided data.

Dosage and Administration

Adults and children 12 years and older are advised to chew 2-4 tablets of the antacid as symptoms occur, or as directed by a healthcare professional. The specific dosage may vary depending on the product, with some formulations recommending 2-3 tablets and others allowing up to 4 tablets. It is important that the tablets are chewed completely and not swallowed whole.

For liquid formulations, adults and children 12 years and older should take 2 to 4 teaspoonfuls (equivalent to approximately 10 to 20 mL) two times a day, or as directed by a healthcare professional. It is essential to shake the liquid well before use.

Children under 12 years should consult a doctor before use. Additionally, for liquid formulations, it is recommended not to exceed 18 teaspoonfuls in a 24-hour period or to use the maximum dosage for more than 2 weeks.

Contraindications

There are no contraindications specified for the products listed. However, it is advised that users do not exceed the recommended maximum dosage for more than two weeks, except under the advice and supervision of a healthcare professional. Specific dosage limits include:

  • For certain formulations, do not take more than 5 to 10 tablets in a 24-hour period, depending on the product.

  • If symptoms persist for more than two weeks, discontinue use and consult a healthcare professional.

These precautions are essential to ensure safe and effective use of the products.

Warnings and Precautions

Warnings

  • Ask a doctor or pharmacist before use if currently taking a prescription drug, as antacids may interact with certain medications.

  • Individuals with kidney disease or on a magnesium-restricted diet should consult a doctor before use.

General Precautions

  • Do not exceed the recommended dosage:

    • For chewable tablets:

      • Rolaids Ultra Strength: Maximum of 7 tablets in 24 hours.

      • Rolaids Extra Strength, Premier Value Extra Strength, Best Choice, Meijer Extra Strength, Extra Strength Antacid: Maximum of 10 tablets in 24 hours.

      • Rolaids Ultra Strength Antacid Orange, Rolaids Ultra Strength Antacid Strawberry: Maximum of 5 chews in 24 hours.

    • For liquid forms:

      • Supreme Antacid: Maximum of 60 mL or 18 teaspoonfuls in 24 hours.

  • Do not use the maximum dosage for more than 2 weeks, except under the advice and supervision of a doctor.

  • If pregnant or breastfeeding, consult a health professional before use.

  • Keep out of reach of children.

Monitoring Requirements

  • If symptoms persist for more than two weeks, discontinue use and consult a doctor.

Emergency Medical Help Instructions

  • In case of overdose, seek medical help or contact a Poison Control Center immediately.

Side Effects

Patients using various antacid products should be aware of the following warnings and recommendations regarding their use:

General Warnings

  • Patients should consult a doctor or pharmacist before using these products if they are currently taking a prescription drug, as antacids may interact with certain medications.

  • Individuals with kidney disease or those on a magnesium-restricted diet should seek medical advice prior to use.

  • Pregnant or breastfeeding patients are advised to consult a healthcare professional before using these products.

Dosage Recommendations

  • Most formulations recommend not exceeding a specific number of tablets or liquid doses within a 24-hour period, typically ranging from 5 to 10 tablets, or 60 mL to 18 teaspoonfuls of liquid, depending on the specific product.

  • The maximum dosage should not be used for more than 2 weeks unless under the supervision of a healthcare provider.

Specific Product Recommendations

  • Rolaids Ultra Strength Antacid: Do not take more than 7 tablets in a 24-hour period.

  • Rolaids Extra Strength Antacid: Do not take more than 10 tablets in a 24-hour period.

  • Supreme Antacid (Liquid): Do not take more than 60 mL in a 24-hour period.

  • Supreme Antacid Cherry (Liquid): Do not take more than 18 teaspoonfuls in a 24-hour period.

  • Rolaids Original: Do not take more than 6 chewable tablets in a 24-hour period.

Monitoring and Discontinuation

  • Patients should stop using the product and consult a doctor if symptoms persist for more than two weeks.

Pediatric Use

  • All products should be kept out of reach of children to prevent accidental ingestion.

These warnings and recommendations are crucial for ensuring the safe and effective use of antacid products.

Drug Interactions

Antacids, including formulations such as Rolaids and other similar products, may interact with certain prescription medications. Specifically, antacids containing calcium carbonate and magnesium hydroxide have the potential to affect the absorption and efficacy of these drugs. It is advisable for patients to consult a healthcare professional, such as a doctor or pharmacist, before using antacids if they are taking other medications.

While no specific drug interactions have been documented for the various Rolaids products or other antacid brands listed, the general caution regarding the use of antacids in conjunction with prescription medications remains pertinent. Users should be aware of the possibility of altered drug absorption and efficacy when combining antacids with other treatments.

Pediatric Use

Pediatric patients under 12 years of age should consult a doctor before using any Rolaids products, as specific dosing and safety information for this age group is not established.

For pediatric patients aged 12 years and older, the recommended dosage is as follows:

  • Rolaids Ultra Strength Antacid: Chew 2-3 tablets as symptoms occur, or as directed by a doctor. Do not exceed 7 tablets in a 24-hour period, and do not use the maximum dosage for more than 2 weeks.

  • Rolaids Extra Strength Antacid: Chew 2-4 tablets as symptoms occur, or as directed by a doctor.

  • Rolaids Original: Chew 2-4 tablets as symptoms occur, or as directed by a doctor.

  • Rolaids (various formulations): Chew 1-3 tablets as symptoms occur, or as directed by a doctor.

All formulations should be kept out of reach of children. Additionally, healthcare providers should be consulted if the patient is currently taking a prescription drug, as antacids may interact with certain medications.

Geriatric Use

No specific information regarding geriatric use, dosage adjustments, safety concerns, or special precautions for elderly patients is provided in the inserts for various Rolaids products, including Rolaids Ultra Strength Antacid, Rolaids Extra Strength Antacid, and others.

However, it is advised that elderly patients consult a healthcare professional before use if they have kidney disease or are taking prescription medications, as antacids may interact with certain drugs. For adults and children aged 12 years and over, the recommended dosage is generally 1-3 chewable tablets as symptoms occur, or as directed by a doctor, with a maximum of 10 tablets in a 24-hour period for some formulations.

Elderly patients should also be cautious not to exceed the maximum dosage for more than 2 weeks without medical supervision. Additionally, those on a magnesium-restricted diet should seek medical advice before use.

Pregnancy

There is limited information available regarding the use of Rolaids products during pregnancy. The inserts for various formulations, including Rolaids Ultra Strength Antacid, Rolaids Extra Strength Antacid, and Rolaids Original, do not provide specific details on safety concerns, dosage modifications, or special precautions for pregnant patients.

For all Rolaids products, it is advised that pregnant or breastfeeding individuals consult a healthcare professional before use. While the safety of Rolaids Ultra Strength during pregnancy has not been established, there are no explicit contraindications mentioned in the provided data. However, potential risks to the fetus have been noted, although specific studies or data are not provided.

Healthcare providers should be consulted to discuss the use of these antacids during pregnancy, especially considering the lack of detailed safety information and the potential for interactions with other prescription medications. Caution is recommended when considering the use of these products in pregnant patients.

Lactation

There are no specific warnings or recommendations regarding the use of Rolaids products by lactating mothers across the various formulations, including Rolaids Ultra Strength, Rolaids Extra Strength, and others. The inserts do not provide information on the potential for excretion of these antacids in breast milk or any associated risks to breastfed infants.

For all Rolaids products, it is advised that lactating mothers consult a healthcare professional if they are pregnant or breastfeeding before use. This precaution is consistent across multiple labels, emphasizing the importance of professional guidance in these circumstances.

Renal Impairment

Patients with renal impairment should exercise caution when considering the use of certain antacid products. While many labels do not provide specific information regarding dosage adjustments, monitoring, or safety considerations for individuals with kidney problems, several products recommend consulting a healthcare professional prior to use.

For instance, patients are advised to "ask a doctor before use" if they have kidney disease for the following products:

  • Rolaids Ultra Strength 1200

  • Rolaids Original

  • Rolaids

  • Supreme Antacid (both Suspension forms)

  • Geri-Lanta Supreme Cherry

This recommendation indicates a need for professional guidance to ensure safety and appropriateness of use in this patient population. Given the lack of detailed dosing adjustments or monitoring protocols in the available product information, healthcare providers should assess the individual patient's renal function and overall health status before recommending these antacids.

Hepatic Impairment

Patients with hepatic impairment have no specific information regarding dosage adjustments, special monitoring, or precautions provided in the inserts for the following products: Rolaids Ultra Strength Antacid, Rolaids Extra Strength Antacid, Rolaids Ultra Strength, Premier Value Extra Strength, Supreme Antacid, Best Choice, Rolaids Ultra Strength 1200, Rolaids Original, Supreme Antacid Cherry, Meijer Extra Strength, Extra Strength Antacid, Rolaids Extra Strength Mint, Geri-Lanta Supreme Cherry, Heb Extra Strength, and Rolaids Extra Strength Fruit.

As such, healthcare providers should exercise caution when prescribing these medications to patients with liver problems, given the absence of specific guidance on their use in this population. Regular monitoring of liver function and patient response may be warranted, although no specific parameters are outlined in the product information.

Overdosage

In the event of an overdose, it is crucial to adhere to the recommended dosage guidelines provided for various antacid products. For instance, individuals should not exceed 10 tablets in a 24-hour period for several formulations, including Premier Value Extra Strength, Best Choice, Extra Strength Antacid, and Heb Extra Strength. Additionally, the maximum dosage should not be used for more than 2 weeks unless directed by a healthcare professional.

For liquid formulations, such as Supreme Antacid Cherry and Geri-Lanta Supreme Cherry, it is advised not to exceed 18 teaspoonfuls in a 24-hour period, and similar restrictions apply regarding the duration of maximum dosage usage.

While specific symptoms of overdose are not detailed in the available information, monitoring for any adverse effects is recommended. In cases of suspected overdose, it is advisable to seek medical attention promptly. Furthermore, all antacid products should be kept out of reach of children to prevent accidental ingestion.

Nonclinical Toxicology

Teratogenic Effects

For several formulations of Rolaids, including Rolaids Ultra Strength 1200, Rolaids Original, and Rolaids, it is advised that individuals who are pregnant or breastfeeding consult a healthcare professional prior to use. No additional teratogenic effects have been reported for other products in the Rolaids line.

Non-Teratogenic Effects

No specific non-teratogenic effects have been documented across the various Rolaids formulations.

Nonclinical Toxicology

There is a lack of detailed nonclinical toxicology information provided for the Rolaids products.

Animal Pharmacology and Toxicology

No specific data regarding animal pharmacology and toxicology has been presented for any of the Rolaids formulations.

Storage and Handling

Rolaids products are available in various forms, including tablets, chewables, and liquids. The following outlines the storage and handling requirements for these products:

Storage Conditions

  • All Rolaids products should be stored at room temperature, specifically within the range of 20°-25°C (68°-77°F).

  • Liquid formulations, such as Supreme Antacid and Geri-Lanta Supreme Cherry, must be refrigerated after opening to preserve freshness and purity. These liquids should not be frozen.

Handling Requirements

  • Containers should be kept tightly closed to protect the contents from moisture and light.

  • Products should not be used if the inner foil seal is broken or missing, or if the seal under the cap is damaged.

  • It is important to keep all products out of reach of children.

  • For certain products, it is advised to discard any unused portions after opening if specified.

Tamper Evident

  • Many Rolaids products feature tamper-evident packaging. Users should not use the product if the foil wrapping or printed inner seal is damaged or missing.

These guidelines ensure the integrity and effectiveness of the products throughout their shelf life.

Product Labels

The table below lists all over-the-counter labels containing calcium carbonate and magnesium hydroxide. Use it to compare dosage forms, strengths, and uses across products.

FDA-Approved Calcium carbonate, magnesium hydroxide Labels (Originator & Generics) showing branded and generic formulations with forms, routes, strengths, and FDA approval years.
More Details
Data Generation & Sources

This page was automatically generated and is maintained by the AllDrugs AI Data-Science Team. It consolidates data from 30 FDA Structured Product Labels (DailyMed) for Calcium Carbonate, Magnesium Hydroxide (marketed as Rolaids Ultra Strength Antacid, Rolaids Extra Strength Antacid, Rolaids Ultra Strength), with data retrieved by a validated AI data-extraction workflow. This includes 30 distinct product formulations. All FDA-listed dosage forms and strengths are aggregated in the sections above. Regulatory status appears in the Summary Information panel and was verified in the FDA National Drug Code directory. Detailed product-specific information is available via the individual label pages linked above. No human clinician has reviewed this version.

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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.