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Regular Strength Antacid Antigas

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Active ingredients
  • Dimethicone, Unspecified 20 mg/5 mL
  • Aluminum Hydroxide 200 mg/5 mL
  • Magnesium Hydroxide 200 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
July 9, 2025
Drug Information (PDF)
Prescribing information, PDF file
Active ingredients
  • Dimethicone, Unspecified 20 mg/5 mL
  • Aluminum Hydroxide 200 mg/5 mL
  • Magnesium Hydroxide 200 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
July 9, 2025
Manufacturer
WALGREEN COMPANY
Registration number
M001
NDC root
0363-2628
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

This medication is designed to relieve discomfort caused by 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 these common digestive issues, this drug may provide the relief you need.

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. Enjoy relief from your digestive discomfort and get back to feeling your best.

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, risks of abuse or misuse, or concerns about dependence associated with this medication. Always follow the guidance provided by your healthcare professional and use the medication as directed.

Side Effects

It's important to be aware of potential side effects when using this medication. You should not exceed 24 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 24 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 currently taking any prescription medications, check with your doctor or pharmacist, as antacids can interact with some 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, if you suspect an overdose, it is important to be aware of potential signs, which may include unusual drowsiness, confusion, or difficulty breathing.

If you or someone else may have taken too much of the medication, seek immediate medical help. You can call your local emergency number or go to the nearest hospital. Always keep medications out of reach and follow the prescribed dosage to prevent any risk of 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 patient is under 12 years old, please seek advice from a doctor regarding the appropriate dosage. Always prioritize safety and communication with healthcare providers when managing medications.

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 there are no specific guidelines or dosage adjustments mentioned for your condition in the available information. This means that the standard recommendations apply, but you should always consult your healthcare provider for personalized advice. They can help determine the best approach for your treatment and monitor your liver function as needed.

Make sure to keep your doctor informed about your liver health, as they may want to conduct regular tests to ensure your safety while using any medication. Your well-being is a priority, so don't hesitate to ask questions or express any concerns you may have.

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 avoid freezing. It's important to keep the container tightly closed when not in use to maintain its integrity and effectiveness. By following these simple storage guidelines, you can help ensure that the product remains safe and ready for use whenever you need it.

Additional Information

You should take this medication 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 your doctor. 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 should ask a doctor before use.

Are there any warnings associated with this drug?

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

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

If symptoms last more than 2 weeks, stop use and ask a doctor.

Is this drug safe to use during pregnancy or breastfeeding?

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

How should I store this drug?

Store at room temperature and avoid freezing. Keep tightly closed.

What should I do if I am taking other prescription drugs?

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 in the provided information.

What should I do if I have kidney disease?

You should ask a doctor before using this drug if you have kidney disease.

Packaging Info

Below are the non-prescription pack sizes of Regular Strength Antacid Antigas (aluminum hydroxide, magnesium hydroxide, simethicone). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Regular Strength Antacid Antigas.
Details

Drug Information (PDF)

This file contains official product information for Regular Strength Antacid Antigas, 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

There are no specific contraindications listed for this product. However, it is essential to keep the product out of reach of children to prevent accidental ingestion or misuse.

Warnings and Precautions

Patients should not exceed a maximum dosage of 24 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 associated with overuse.

Prior to initiating treatment, individuals with kidney disease or those adhering to a magnesium-restricted diet are advised to consult a healthcare professional. This precaution is critical to ensure the safe use of the product in these populations.

Additionally, it is recommended that patients seek guidance from a doctor or pharmacist if they are currently taking any prescription medications. Antacids may interact with certain prescription drugs, which could lead to diminished efficacy or increased risk of side effects.

Patients should discontinue use and consult a healthcare provider if symptoms persist beyond 2 weeks. Prolonged symptoms may indicate an underlying condition that requires further evaluation.

For individuals who are pregnant or breastfeeding, it is imperative to consult a health professional before use to ensure safety for both the patient and the child.

Side Effects

Patients should be aware of the following warnings and recommendations regarding the use of this medication. It is advised not to exceed 24 teaspoonfuls within a 24-hour period or to utilize the maximum dosage for more than 2 weeks. Patients with kidney disease or those on a magnesium-restricted diet should consult a doctor prior to use. Additionally, individuals currently taking prescription medications should seek advice from a healthcare professional or pharmacist, as antacids may interact with certain drugs.

In the event that symptoms persist beyond 2 weeks, patients are instructed to discontinue use and consult a doctor. Pregnant or breastfeeding individuals should also seek guidance from a health professional before using this product.

Drug Interactions

There are currently no documented drug interactions associated with the use of 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 Regular Strength Antacid Antigas (aluminum hydroxide, magnesium hydroxide, simethicone). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Regular Strength Antacid Antigas.
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 or if they are on a magnesium-restricted diet.

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 to note that for children under 12 years of age, a healthcare provider should be consulted for appropriate dosing recommendations.

Given the potential for altered pharmacokinetics and increased sensitivity to medications in geriatric patients, careful monitoring and consideration of individual health status are advised when prescribing this medication.

Pregnancy

Pregnant patients and those who are breastfeeding should consult a healthcare professional prior to using this medication. The potential risks and benefits must be carefully considered in these populations to ensure the safety of both the mother and the fetus or infant.

Lactation

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

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 and prepared for potential scenarios involving overdose.

Healthcare providers should be aware that the clinical presentation of an overdose may vary depending on the substance involved and the individual patient’s characteristics. Symptoms of overdose can range from mild to severe and may include altered mental status, cardiovascular instability, respiratory distress, and gastrointestinal disturbances.

In the event of suspected overdosage, immediate medical evaluation is recommended. Healthcare professionals should assess the patient's vital signs and conduct a thorough clinical examination. Supportive care should be initiated as necessary, which may include airway management, intravenous fluids, and monitoring of vital parameters.

If specific antidotes or treatments are available for the substance involved, they should be administered according to established protocols. Consultation with a poison control center or toxicology expert may also be warranted to guide management decisions.

It is crucial for healthcare professionals to document all findings and interventions thoroughly and to report any adverse events related to overdosage to the appropriate regulatory authorities.

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 these contexts.

Postmarketing Experience

No postmarketing experience details are available in the provided data.

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 should be stored at room temperature, with a specific emphasis on avoiding freezing conditions. To maintain the integrity of the product, it is essential to keep the container tightly closed at all times.

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 of age, 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 Regular Strength Antacid Antigas, 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 Regular Strength Antacid Antigas, 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.