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Geri-Lanta Antacid Antigas

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Active ingredients
  • Dimethicone 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 2000
Label revision date
November 19, 2025
Drug Information (PDF)
Prescribing information, PDF file
Active ingredients
  • Dimethicone 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 2000
Label revision date
November 19, 2025
Manufacturer
Geri-Care Pharmaceuticals, Corp
Registration number
M001
NDC root
57896-629
Drug Information (PDF)
Prescribing information, PDF file
Packaging Info (2 NDCs)
Packaging & NDC Codes (2)

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 associated with heartburn, sour stomach, acid indigestion, and gas. It works by addressing the underlying causes of these symptoms, helping you feel more comfortable after meals or during times of digestive distress. If you're experiencing any of these issues, this drug may provide the relief you need.

Uses

You can use this medication to help relieve several uncomfortable digestive issues. It effectively alleviates heartburn, which is that burning sensation in your chest, and it can also help with a sour stomach and acid indigestion, both of which can cause discomfort after eating. Additionally, if you're experiencing gas, this medication can provide relief from those symptoms as well.

Rest assured, there are no known teratogenic effects (which means it doesn't cause birth defects) associated with this medication, making 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. If you are an adult or a child aged 12 years and older, you should take 2 to 4 teaspoonfuls between meals or at bedtime, unless your doctor has given you different instructions. It's important not to exceed 24 teaspoonfuls in a 24-hour period, and you should not use the maximum dosage for more than 2 weeks.

If the person taking the medication is under 12 years old, it's best to consult a doctor for guidance on the appropriate dosage. Always follow these instructions carefully to ensure safe and effective use of the medication.

What to Avoid

There are no specific contraindications, controlled substance classifications, or concerns regarding abuse, misuse, or dependence associated with this medication. Additionally, there are no explicit instructions indicating that you should not take or use this medication. Always consult with your healthcare provider for personalized advice and to ensure this medication is appropriate for you.

Side Effects

It's important to be aware of potential side effects when using this medication. You should consult your doctor if you have kidney disease or are on a magnesium-restricted diet, as these conditions may affect your use of the drug. Additionally, if you are currently taking any prescription medications, it's wise to check with your doctor or pharmacist, since antacids can interact with certain drugs.

If your symptoms persist for more than two weeks, you should stop using the medication and seek medical advice. If you are pregnant or breastfeeding, please consult a healthcare professional before using this product to ensure it is safe for you and your baby.

Warnings and Precautions

Before using this medication, it's important to consult your doctor if you have kidney disease or are on a magnesium-restricted diet. Additionally, if you are currently taking any prescription medications, check with your doctor or pharmacist first, as antacids can interact with some drugs.

If your symptoms persist for more than two weeks, stop using the medication and contact your doctor. If you are pregnant or breastfeeding, seek advice from a healthcare professional before use. Always keep this medication out of reach of children to ensure their safety.

Overdose

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

In case of an emergency, call your local emergency services or go to the nearest hospital. Always keep medications out of reach of children and follow the prescribed dosage to prevent any potential risks. If you have any concerns or questions about your medication, don’t hesitate to reach out to your healthcare provider for guidance.

Pregnancy Use

If you are pregnant 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 are considering this medication for your child, it's important to know that children under 12 years old should consult a doctor before use. For those aged 12 and older, the recommended dosage is 2 to 4 teaspoonfuls taken between meals or at bedtime, unless directed otherwise by a healthcare professional.

Be cautious not to exceed 24 teaspoonfuls in a 24-hour period, and avoid using the maximum dosage for more than two weeks. Always prioritize your child's safety by following these guidelines and seeking medical advice when necessary.

Geriatric Use

If you are an older adult or caring for one, it's important to be cautious when using this medication. Before starting, consult with your doctor, especially if you have kidney disease (a condition affecting how well your kidneys filter waste) or if you are currently taking any prescription medications, as some can interact with this drug.

For adults and children aged 12 and older, the recommended dosage is 2 to 4 teaspoonfuls taken between meals or at bedtime, unless your doctor advises otherwise. Be mindful not to exceed 24 teaspoonfuls in a 24-hour period, and avoid using the maximum dosage for more than two weeks. If the person you are caring for is under 12 years old, please consult a doctor before 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 open communication with your doctor regarding your kidney health to ensure the best care.

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 liver function tests (which check how well your liver is working) to ensure your safety while using any medication.

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 feel free to ask questions and share your complete list of medications and any lab tests you may be undergoing. This way, you can receive the best possible care tailored to your needs.

Storage and Handling

To ensure the best performance of your product, store it at room temperature, away from extreme temperatures. It's important to protect it from freezing, as this can damage the product. Always keep the container tightly closed when not in use to maintain its integrity and safety. Following these simple guidelines will help you use the product effectively and safely.

Additional Information

You will take this medication orally. There are no additional details available regarding laboratory tests, abuse potential, patient counseling, or postmarketing experiences. If you have any questions or concerns about your treatment, be sure to discuss them with your healthcare provider.

FAQ

What 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.

Is there a maximum dosage I should be aware of?

Do not take more than 24 teaspoonfuls in 24 hours or use the maximum dosage for more than 2 weeks.

What should I do if I have kidney disease?

You should ask a doctor before use if you have kidney disease.

Can I use this drug if I am pregnant or breastfeeding?

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

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.

Are there any specific storage instructions for this drug?

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 if you are presently taking a prescription drug, as antacids may interact with certain medications.

What should I do if I have a magnesium-restricted diet?

You should ask a doctor before use if you have a magnesium-restricted diet.

What age group should consult a doctor before use?

Children under 12 years should ask a doctor before use.

Packaging Info

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

Packaging configurations for Geri-Lanta Antacid Antigas.
Details

Drug Information (PDF)

This file contains official product information for Geri-Lanta 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

The medication should be shaken well before use to ensure proper mixing of the formulation.

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 not to exceed 24 teaspoonfuls within a 24-hour period, and the maximum dosage should not be used for more than 2 weeks.

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

Contraindications

There are no contraindications listed for this product. It is important to evaluate individual patient circumstances and consult relevant clinical guidelines when considering its use.

Warnings and Precautions

Patients should consult a healthcare professional prior to use if they have a history of kidney disease or are on a magnesium-restricted diet. It is also advisable to seek guidance from a doctor or pharmacist if the patient is currently taking any prescription medications, as antacids may interact with certain drugs.

In the event that symptoms persist for more than two weeks, the patient should discontinue use and consult a healthcare provider for further evaluation. Additionally, pregnant or breastfeeding individuals are encouraged to seek advice from a health professional before using this product.

To ensure safety, this product should be kept out of reach of children to prevent accidental ingestion.

Side Effects

Patients should be advised to consult a healthcare professional prior to use if they have kidney disease or are on a magnesium-restricted diet. Additionally, it is important for patients to seek guidance from a doctor or pharmacist if they are currently taking any prescription medications, as antacids may interact with certain drugs.

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

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 Geri-Lanta Antacid Antigas (aluminum hydroxide, magnesium hydroxide, dimethicone). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Geri-Lanta 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.

It is important to note that no more than 24 teaspoonfuls should be taken within a 24-hour period, and the maximum dosage should not be used for more than 2 weeks.

Geriatric Use

Elderly patients should consult a healthcare provider prior to using this medication, particularly if they have a history of kidney disease. It is also advisable for geriatric patients to seek guidance from a doctor or pharmacist if they are currently taking any prescription medications, as antacids may interact with certain drugs.

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 crucial for elderly patients to adhere to the maximum dosage guidelines, which stipulate that no more than 24 teaspoonfuls should be taken within a 24-hour period, and the maximum dosage should not be used for more than 2 weeks.

For children under 12 years of age, it is essential to consult a doctor before administration. Careful monitoring and adherence to these recommendations are important to ensure the safety and efficacy of the treatment in geriatric 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, as well as any available data regarding fetal outcomes and lactation. Healthcare providers can offer guidance tailored to individual circumstances, ensuring the safety of both the patient and the developing fetus or nursing infant.

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 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

There is currently no specific information available regarding overdosage for this medication. Healthcare professionals are advised to monitor patients closely for any unusual symptoms or adverse effects that may arise. In the event of suspected overdosage, it is recommended to initiate supportive care and symptomatic treatment as necessary.

Healthcare providers should consider contacting a poison control center for guidance on management strategies tailored to the specific situation. Continuous assessment of the patient's clinical status is essential to ensure appropriate interventions are implemented promptly.

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

Postmarketing experience has identified the following adverse reactions reported voluntarily or through surveillance programs: constipation, diarrhea, and nausea. These events have been documented in the context of routine pharmacovigilance activities.

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 for patients to understand the potential risks associated with improper access to the medication by young children. Providers should encourage patients to store the medication in a secure location and to be vigilant about monitoring its use.

Storage and Handling

The product is supplied in various package configurations, with specific NDC numbers available for identification. It should be stored at room temperature, ensuring that it is protected from freezing conditions. Additionally, it is essential to keep the container tightly closed to maintain the integrity of the product.

Additional Clinical Information

The medication is administered orally. There are no additional details available regarding laboratory tests, abuse information, patient counseling, or postmarketing experience.

Drug Information (PDF)

This file contains official product information for Geri-Lanta 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 Geri-Lanta 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

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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.