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Maximum Strength Antacid and Gas Relief

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Active ingredients
  • Dimethicone 40 mg/5 mL
  • Aluminum Hydroxide 400 mg/5 mL
  • Magnesium Hydroxide 400 mg/5 mL
Other brand names
Drug classes
Calculi Dissolution Agent, Osmotic Laxative
Dosage form
Suspension
Route
Oral
Prescription status
OTC (over the counter)
Pregnancy
See Pregnancy Use Section
Lactation
See Lactation Use Section
Marketed in the U.S.
Since 2014
Label revision date
November 19, 2025
Drug Information (PDF)
Prescribing information, PDF file
Active ingredients
  • Dimethicone 40 mg/5 mL
  • Aluminum Hydroxide 400 mg/5 mL
  • Magnesium Hydroxide 400 mg/5 mL
Other brand names
Drug classes
Calculi Dissolution Agent, Osmotic Laxative
Dosage form
Suspension
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 2014
Label revision date
November 19, 2025
Manufacturer
RITE AID PHARMACY
Registration number
M001
NDC root
11822-3727
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

You may find that this medication is designed to relieve common digestive discomforts such as heartburn, sour stomach, acid indigestion, and gas. It works by addressing the symptoms associated with excess stomach acid, helping you feel more comfortable after meals or during episodes of digestive distress. If you're experiencing any of these issues, this medication could be a helpful option for you.

Uses

If you're experiencing discomfort from heartburn, a sour stomach, or acid indigestion, this medication can help relieve those symptoms. It also addresses issues related to gas, providing you with some much-needed comfort.

You can feel confident using this medication, as there are no known teratogenic effects (which means it doesn't cause birth defects) associated with it. This makes it a safer option for those who may be concerned about such risks.

Dosage and Administration

Before you use this medication, make sure to shake the bottle well. For adults and children aged 12 years and older, the recommended dosage is 2 to 4 teaspoonfuls. You can take this between meals, at bedtime, or as your doctor advises.

If the patient is a child under 12 years old, it’s important to consult a doctor for the appropriate dosage. Always follow your healthcare provider's instructions to ensure safe and effective use of the medication.

What to Avoid

It's important to keep this medication out of reach of children to ensure their safety. There are no specific contraindications, controlled substance classifications, or concerns regarding abuse, misuse, or dependence associated with this medication. Always follow the guidance provided to use it safely and effectively.

Side Effects

It's important to be aware of potential side effects when using this medication. You should not exceed 12 teaspoonfuls in a 24-hour period or use the maximum dosage for more than two weeks. If you have kidney disease or are on a magnesium-restricted diet, consult your doctor before using this product. Additionally, if you are taking any prescription medications, check with your doctor or pharmacist, as antacids can interact with certain drugs.

If your symptoms persist for more than two weeks, stop using the medication and seek medical advice. If you are pregnant or breastfeeding, it's advisable to consult a healthcare professional before use.

Warnings and Precautions

It's important to use this medication safely. Do not exceed 12 teaspoonfuls in a 24-hour period, and avoid using the maximum dosage for more than 2 weeks. If you have kidney disease or are on a magnesium-restricted diet, consult your doctor before using this product. Additionally, if you are taking any prescription medications, check with your doctor or pharmacist, as antacids can interact with certain drugs.

If your symptoms persist for more than 2 weeks, stop using the medication and contact your doctor. If you are pregnant or breastfeeding, please seek advice from a healthcare professional before using this product. Always prioritize your health and safety by following these guidelines.

Overdose

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

In case of an overdose, you should contact your local emergency services or go to the nearest hospital right away. Always keep the medication packaging on hand, as it can provide important information to healthcare professionals. Remember, it's better to be safe and get checked out if you have any concerns about an overdose.

Pregnancy Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using this medication. They can provide guidance on whether it’s safe for you and your baby. Always prioritize your health and the health of your child by seeking expert advice.

Lactation Use

If you are pregnant or breastfeeding, it’s important to consult with a healthcare professional before using any medication. This ensures that you understand any potential risks and can make informed decisions about your health and the health of your baby. Always prioritize open communication with your doctor regarding your breastfeeding journey.

Pediatric Use

If you have a child under 12 years old, it's important to consult with a doctor before using this medication. For children aged 12 and older, as well as adults, the recommended dosage is 2 to 4 teaspoonfuls taken between meals, at bedtime, or as directed by a healthcare professional. Always follow your doctor's advice to ensure safe and effective use for your child.

Geriatric Use

If you are an older adult or caring for one, it's important to consult with a doctor before using this medication, especially if there are any concerns about kidney disease or if you are following a magnesium-restricted diet. These conditions can affect how the medication works in your body.

For adults and children aged 12 and older, the recommended dosage is 2 to 4 teaspoonfuls taken between meals, at bedtime, or as directed by a healthcare professional. If the person is under 12 years old, please seek advice from a doctor before administering the medication. Always prioritize safety and proper guidance when it comes to medication use.

Renal Impairment

If you have kidney disease, it's important to consult your doctor before using this medication. Your healthcare provider can help determine if it's safe for you and if any adjustments to your dosage are necessary. Always prioritize your kidney health and follow your doctor's guidance closely.

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 if you have hepatic impairment (issues with liver function).

Always consult your healthcare provider for personalized advice and to ensure that any medication you take is safe and appropriate for your liver health. They can help monitor your condition and make any necessary adjustments to your treatment plan.

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 and keep it tightly closed. It's important to protect it from freezing, as extreme cold can damage the product. By following these simple storage guidelines, you can help maintain its effectiveness and safety for use.

Additional Information

You should take this medication orally. For adults and children aged 12 years and older, the recommended dose is 2 to 4 teaspoonfuls taken between meals or at bedtime, unless your doctor advises otherwise. If the patient is under 12 years old, it's important to consult a doctor for the appropriate dosage.

FAQ

What symptoms does this drug relieve?

This drug relieves heartburn, sour stomach, acid indigestion, and symptoms referred to as gas.

What is the recommended dosage for adults and children 12 years and older?

Adults and children 12 years and older should take 2 to 4 teaspoonfuls between meals, at bedtime, or as directed by a doctor.

What should children under 12 do before using this drug?

Children under 12 years should ask a doctor before use.

Are there any warnings associated with this drug?

Do not take more than 12 teaspoonfuls in a 24-hour period or use the maximum dosage for more than 2 weeks. Consult a doctor if you have kidney disease or a magnesium-restricted diet.

What should I do if my symptoms last more than 2 weeks?

Stop use and ask a doctor if symptoms last more than 2 weeks.

Is it safe to use this drug if I am pregnant or breastfeeding?

If you are pregnant or breastfeeding, ask a health professional before use.

How should this drug be stored?

Store at room temperature, protect from freezing, and keep tightly closed.

What should I do if I am taking a prescription drug?

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

Are there any contraindications for this drug?

No contraindications are listed for this drug.

What should I do if I have kidney disease?

Ask a doctor before use if you have kidney disease.

Packaging Info

Below are the non-prescription pack sizes of Maximum Strength Antacid and Gas Relief (aluminum hydroxide, magnesium hydroxide, dimethicone). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Maximum Strength Antacid and Gas Relief.
Details

Drug Information (PDF)

This file contains official product information for Maximum Strength Antacid and Gas Relief, 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, sour stomach, acid indigestion, and symptoms associated with gas.

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

Dosage and Administration

Healthcare professionals should instruct patients to shake the product well before use.

For adults and children aged 12 years and older, the recommended dosage is 2 to 4 teaspoonfuls taken between meals, at bedtime, or as directed by a physician.

For children under 12 years of age, it is advised to consult a doctor for appropriate dosing recommendations.

Contraindications

Use is contraindicated in individuals who are unable to keep the product out of reach of children. This precaution is necessary to prevent accidental ingestion or misuse by pediatric patients. No other contraindications have been identified.

Warnings and Precautions

Patients should not exceed a maximum dosage of 12 teaspoonfuls within a 24-hour period, nor should they utilize the maximum dosage for longer than 2 weeks. Adherence to these guidelines is essential to prevent potential adverse effects.

Individuals with kidney disease or those on a magnesium-restricted diet are advised to consult a healthcare professional prior to use. Additionally, it is recommended that patients seek guidance from a doctor or pharmacist if they are currently taking any prescription medications, as antacids may interact with certain drugs, potentially altering their efficacy or safety.

Should symptoms persist beyond a duration of 2 weeks, it is imperative to discontinue use and consult a healthcare provider for further evaluation.

For pregnant or breastfeeding individuals, it is crucial to seek advice from a health professional before initiating use to ensure safety for both the mother and child.

Side Effects

Patients should be aware of the potential adverse reactions associated with the use of this medication. It is crucial to adhere to the recommended dosage guidelines, which specify not to exceed 12 teaspoonfuls within a 24-hour period or to use the maximum dosage for more than 2 weeks.

Patients with kidney disease or those on a magnesium-restricted diet should consult a healthcare professional prior to use. Additionally, individuals taking prescription medications should seek advice from a doctor or pharmacist, as antacids may interact with certain drugs.

In the event that symptoms persist for more than 2 weeks, patients are advised to discontinue use and consult a healthcare provider. Pregnant or breastfeeding individuals should also seek guidance from a health professional before using this medication.

These precautions are essential to ensure the safe and effective use of the product, minimizing the risk of adverse reactions.

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 Maximum Strength Antacid and Gas Relief (aluminum hydroxide, magnesium hydroxide, dimethicone). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Maximum Strength Antacid and Gas Relief.
Details

Pediatric Use

Pediatric patients under 12 years of age should consult a healthcare professional before use. For adolescents and children aged 12 years and older, the recommended dosage is 2 to 4 teaspoonfuls taken between meals, at bedtime, or as directed by a healthcare provider.

Geriatric Use

Elderly patients should consult a healthcare provider prior to use if they have a history of kidney disease, as this may influence the safety and efficacy of the treatment. Additionally, those on a magnesium-restricted diet are advised to seek medical advice before initiating therapy.

For adults and children aged 12 years and older, the recommended dosage is 2 to 4 teaspoonfuls taken between meals, at bedtime, or as directed by a healthcare professional. It is important for geriatric patients to adhere to this dosing guidance to minimize the risk of adverse effects.

For children under 12 years of age, it is essential to consult a healthcare provider for appropriate dosing recommendations. This precaution helps ensure the safety and effectiveness of the treatment in younger populations.

Overall, careful monitoring and consideration of individual health status are crucial when administering this treatment to elderly patients.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional prior to using this medication. It is important to assess the potential risks and benefits in these populations, as the effects on fetal outcomes and lactation are not fully established. Healthcare providers should evaluate the necessity of treatment against any potential risks to the mother and child.

Lactation

Lactating mothers are advised to consult a health professional prior to using this medication. There is currently no available data regarding the excretion of this medication in human breast milk or its effects on breastfed infants. Therefore, caution is recommended when administering this medication to lactating mothers.

Renal Impairment

Patients with renal impairment should consult a healthcare professional prior to use, particularly if they have a history of kidney disease. It is essential to assess renal function and consider potential dosing adjustments or monitoring requirements based on the degree of impairment.

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 absence of specific overdosage information, it is essential for healthcare professionals to remain vigilant regarding the potential risks associated with excessive administration of the medication.

Healthcare providers should monitor patients closely for any signs or symptoms that may suggest an overdose. Common symptoms may include, but are not limited to, severe drowsiness, confusion, respiratory distress, or any unusual physiological changes.

In the event of suspected overdosage, immediate medical intervention is recommended. Healthcare professionals should initiate supportive care and consider contacting a poison control center for guidance on further management.

It is crucial to document the incident thoroughly, including the amount of the medication taken, the time of ingestion, and the patient's clinical status. Continuous monitoring of vital signs and symptomatic treatment should be provided as necessary until the patient stabilizes.

Given the lack of specific overdosage data, healthcare professionals are encouraged to exercise caution and adhere to established protocols for managing overdose situations.

Nonclinical Toxicology

There is currently no available information regarding teratogenic or non-teratogenic effects associated with the compound. Additionally, no data has been provided concerning nonclinical toxicology, including animal pharmacology and toxicology.

Postmarketing Experience

No postmarketing experience details are provided in the insert.

Patient Counseling

Healthcare providers should advise patients to keep this medication out of reach of children to prevent accidental ingestion or misuse. It is important to emphasize the necessity of proper storage to ensure the safety of young individuals.

Storage and Handling

The product is supplied in a configuration that ensures optimal handling and storage. It must be stored at room temperature, away from extreme temperatures, and protected from freezing. To maintain the integrity of the product, it is essential to keep the container tightly closed when not in use.

Additional Clinical Information

The medication is administered orally. For adults and children aged 12 years and older, the recommended dosage is 2 to 4 teaspoonfuls taken between meals, at bedtime, or as directed by a healthcare professional. For children under 12 years, it is advised to consult a doctor for appropriate dosing guidance.

There is no additional information available regarding laboratory tests, abuse potential, patient counseling, or postmarketing experiences.

Drug Information (PDF)

This file contains official product information for Maximum Strength Antacid and Gas Relief, 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 Maximum Strength Antacid and Gas Relief, 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.