ADD CONDITION

items per page

Gas-X

Last content change checked dailysee data sync status

Active ingredients
  • Dimethicone, Unspecified 250 mg
  • Calcium Carbonate 750 mg
Other brand names
Dosage form
Tablet, Chewable
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2022
Label revision date
July 15, 2025
Active ingredients
  • Dimethicone, Unspecified 250 mg
  • Calcium Carbonate 750 mg
Other brand names
Dosage form
Tablet, Chewable
Route
Oral
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 2022
Label revision date
July 15, 2025
Manufacturer
Haleon US Holdings LLC
Registration number
M001
NDC root
0067-0118

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

Gas-X is a doctor-recommended brand that combines simethicone (a medication that helps relieve gas) and calcium carbonate (an antacid) to provide fast relief from discomfort. It is available in a mixed berry-flavored chewable tablet form, with each tablet containing 250 mg of simethicone.

This medication is designed to help alleviate symptoms such as pressure, bloating, and fullness commonly associated with gas, as well as heartburn, sour stomach, and acid indigestion. If you're experiencing these uncomfortable symptoms, Gas-X may be a helpful option for you.

Uses

If you're experiencing discomfort from pressure, bloating, or fullness often caused by gas, this medication can help provide relief. It's also effective for gas that comes along with heartburn, sour stomach, or acid indigestion.

In addition to alleviating gas, this medication addresses symptoms of acid indigestion, heartburn, and sour stomach, making it a useful option for managing upset stomach related to these issues. You can feel more comfortable and at ease after taking it.

Dosage and Administration

When you need relief from certain symptoms, you can take 1 or 2 chewable tablets if you are an adult or a child aged 12 years and older. It's important to chew or crush the tablets completely before swallowing them to ensure they work effectively. You should take the tablets as symptoms occur, or follow your doctor's instructions if they have provided specific guidance.

However, if your symptoms last for more than 2 weeks, you should not continue taking the medication without consulting your doctor. This is crucial to ensure your safety and to determine if further evaluation or a different treatment is necessary.

What to Avoid

It's important to use this medication responsibly to ensure your safety. You should not take more than 2 tablets in a 24-hour period unless your doctor advises you otherwise. Additionally, avoid using the maximum dosage for longer than 2 weeks without your doctor's guidance. Following these instructions will help you use the medication safely and effectively.

Side Effects

It's important to be aware of potential side effects when using this product. You should consult with a doctor or pharmacist if you are currently taking any prescription medications, as antacids may interact with them. While using this product, do not exceed 2 tablets in a 24-hour period unless directed by a healthcare professional, and avoid using the maximum dosage for more than 2 weeks without medical advice.

If you are pregnant or breastfeeding, it's advisable to speak with a health professional before using this product. Additionally, keep it out of reach of children to ensure their safety.

Warnings and Precautions

Before using this medication, it's important to consult with your doctor or pharmacist, especially if you are currently taking any prescription drugs, as antacids can interact with them. Be cautious not to exceed 2 tablets in a 24-hour period unless directed by your doctor, and avoid using the maximum dosage for more than 2 weeks without medical advice. If you are pregnant or breastfeeding, please seek guidance from a healthcare professional before use. Always keep this medication out of reach of children.

While there are no specific laboratory tests required for this medication, it's essential to monitor your usage and follow the recommended guidelines to ensure your safety. If you experience any unusual symptoms or have concerns, don't hesitate to reach out to your healthcare provider for assistance.

Overdose

Taking more than the recommended dosage of this medication can lead to serious health risks. You should not exceed 2 tablets in a 24-hour period unless your doctor has specifically advised you to do so. Additionally, using the maximum dosage for more than 2 weeks is not recommended without your doctor's guidance.

If you suspect an overdose, look for signs such as unusual drowsiness, confusion, or difficulty breathing. If you notice any of these symptoms, it’s important to seek immediate medical help. Always prioritize your safety and consult with a healthcare professional if you have any concerns about your medication use.

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

When it comes to using this medication for children, it's important to note that it is intended for adults and children aged 12 years and older. If your child falls within this age range, they can chew 1 or 2 tablets as needed for symptoms, or follow your doctor's instructions. Make sure they chew or crush the tablets completely before swallowing to ensure proper absorption.

Always keep this medication out of reach of younger children to prevent accidental ingestion. If you have any concerns or questions about its use, consult your healthcare provider for guidance.

Geriatric Use

You can feel confident using GAS-X TOTAL RELIEF MAXIMUM STRENGTH, as there are no specific considerations or dosage adjustments needed for older adults. The information provided does not indicate any safety concerns or special precautions for elderly patients. This means that you or your loved ones can use this medication without worrying about unique risks associated with age. Always remember to follow the recommended dosage and consult with a healthcare provider if you have any questions or concerns.

Renal Impairment

If you have kidney problems, it's important to know that the information provided does not include specific guidelines for dosage adjustments, special monitoring, or safety considerations related to renal impairment (kidney issues). This means that there are no tailored recommendations for how your treatment may need to be adjusted based on your kidney function.

Always consult your healthcare provider for personalized advice and to ensure that your treatment plan is safe and effective for your specific situation. They can help monitor your kidney health and make any necessary changes to your medications.

Hepatic Impairment

If you have liver problems, it's important to know that the information provided does not include specific guidelines for dosage adjustments, special monitoring, or precautions related to your condition. This means that there are no tailored recommendations for how the medication may affect you differently due to your liver health.

Always consult your healthcare provider for personalized advice and to ensure that any treatment plan is safe and effective for your specific situation. They can help determine the best approach based on your liver function and overall health.

Drug Interactions

It's important to talk to your doctor or pharmacist before using this medication, especially if you are currently taking any prescription drugs. Some medications, like antacids, can interact with your prescription drugs, potentially affecting how well they work or increasing the risk of side effects.

Always keep your healthcare provider informed about all the medications you are taking to ensure your treatment is safe and effective. This way, you can avoid any unexpected interactions and get the best possible care.

Storage and Handling

To ensure the best performance and safety of your product, it’s important to store it properly. Keep it in a cool, dry place, and do not store it above 25°C (77°F). This temperature limit helps maintain the product's effectiveness and integrity.

When handling the product, always ensure that you are in a clean environment to avoid contamination. If there are any specific components included with the product, make sure to follow any additional instructions provided for their use or safety. Proper disposal methods should also be followed to ensure safety and compliance with local regulations.

Additional Information

For adults and children aged 12 years and older, you should chew 1 or 2 tablets when symptoms occur, or follow your doctor's instructions. Make sure to chew or crush the tablets completely before swallowing. It's important not to use this medication for symptoms that last longer than 2 weeks unless your doctor advises you to do so.

FAQ

What is Gas-X?

Gas-X is a doctor-recommended brand manufactured by HALEON, formulated with Simethicone and Calcium Carbonate to provide gas and heartburn relief.

What symptoms does Gas-X relieve?

Gas-X is indicated for the relief of pressure, bloating, fullness, gas associated with heartburn, sour stomach, acid indigestion, and upset stomach.

How should I take Gas-X?

Adults and children 12 years and older should chew 1 or 2 tablets as symptoms occur, or as directed by a doctor. Chew or crush tablets completely before swallowing.

Are there any dosage restrictions for Gas-X?

Do not exceed 2 tablets in 24 hours or use the maximum dosage for more than 2 weeks without a doctor's advice.

Is Gas-X safe to use during pregnancy or breastfeeding?

If you are pregnant or breastfeeding, ask a health professional before using Gas-X.

What should I do if I am taking other medications?

Ask a doctor or pharmacist before using Gas-X if you are currently taking a prescription drug, as antacids may interact with certain medications.

How should I store Gas-X?

Store Gas-X below 25°C (77°F) and keep it out of reach of children.

Are there any contraindications for Gas-X?

No specific contraindications are mentioned for Gas-X.

Packaging Info

Below are the non-prescription pack sizes of Gas-X (calcium carbonate, simethicone). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Gas-X.
Details

Drug Information (PDF)

This file contains official product information for Gas-X, including active ingredients, dosage, warnings, and labeling as submitted by the manufacturer for OTC distribution.

View product document (PDF)

Description

Gas-X Total Relief is a chewable tablet formulation manufactured by HALEON. Each tablet contains 250 mg of simethicone as the active ingredient, along with calcium carbonate. The product is designed to provide maximum strength relief from gas, heartburn, bloating, and discomfort. It is available in a mixed berries flavor and is packaged in a size of 30 chewable tablets.

Uses and Indications

This drug is indicated for the relief of pressure, bloating, and fullness commonly referred to as gas. It is also indicated for gas associated with heartburn, sour stomach, or acid indigestion. Additionally, this drug is effective in alleviating symptoms of acid indigestion, heartburn, sour stomach, and upset stomach associated with these conditions.

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

Dosage and Administration

Adults and children aged 12 years and older are advised to chew 1 or 2 tablets as symptoms occur, or as directed by a healthcare professional. It is essential that the tablets are chewed or crushed completely before swallowing to ensure proper absorption.

Patients should not use this medication for symptoms that persist for more than 2 weeks without consulting a healthcare provider.

Contraindications

Use of this product is contraindicated in patients who exceed a dosage of 2 tablets within a 24-hour period, unless advised and supervised by a healthcare professional. Additionally, the maximum dosage should not be utilized for more than 2 weeks without the guidance and oversight of a physician.

Warnings and Precautions

Healthcare professionals should be aware of the following warnings and precautions associated with the use of this medication.

It is imperative to consult a doctor or pharmacist prior to use if the patient is currently taking any prescription medications, as antacids may interact with certain drugs, potentially leading to adverse effects.

General precautions must be observed to ensure safe usage. Patients should not exceed a dosage of 2 tablets within a 24-hour period unless directed by a healthcare provider. Additionally, the maximum dosage should not be utilized for more than 2 weeks without the guidance and supervision of a physician. For individuals who are pregnant or breastfeeding, it is essential to seek advice from a healthcare professional before use. Furthermore, this medication should be kept out of reach of children to prevent accidental ingestion.

Currently, there are no specific laboratory tests recommended for monitoring the use of this medication.

Side Effects

Patients should be aware of the potential adverse reactions associated with the use of this product. It is important to consult a doctor or pharmacist prior to use if currently taking any prescription medications, as antacids may interact with certain drugs.

When using this product, patients are advised not to exceed a dosage of 2 tablets within a 24-hour period unless directed by a healthcare professional. Additionally, the maximum dosage should not be used for more than 2 weeks without the guidance and supervision of a doctor.

For pregnant or breastfeeding individuals, it is recommended to seek advice from a health professional before using this product. Furthermore, to ensure safety, the product should be kept out of reach of children.

Drug Interactions

Patients are advised to consult a healthcare professional, such as a doctor or pharmacist, prior to using this medication if they are currently taking any prescription drugs.

Antacids may have the potential to interact with certain prescription medications, which could affect the efficacy of those drugs. It is important for patients to disclose all medications they are taking to ensure safe and effective use of antacids. Monitoring for any adverse effects or changes in therapeutic outcomes is recommended when these medications are used concurrently.

Packaging & NDC

Below are the non-prescription pack sizes of Gas-X (calcium carbonate, simethicone). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Gas-X.
Details

Pediatric Use

Pediatric patients aged 12 years and older may chew 1 or 2 tablets as symptoms occur, or as directed by a healthcare professional. It is important that the tablets are chewed or crushed completely before swallowing to ensure proper administration.

Care should be taken to keep the medication out of reach of younger children to prevent accidental ingestion.

Geriatric Use

Elderly patients do not have specific geriatric use considerations, dosage adjustments, safety concerns, or special precautions associated with GAS-X TOTAL RELIEF MAXIMUM STRENGTH as indicated in the prescribing information. Therefore, healthcare providers may administer this medication to geriatric patients without the need for modifications or additional monitoring specific to this population. However, standard clinical judgment should always be applied when treating elderly patients, considering their overall health status and potential for polypharmacy.

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 weighed, as the effects on fetal outcomes and lactation are not fully established. It is essential for women of childbearing potential to seek medical advice to ensure safe use during pregnancy and lactation.

Lactation

Lactating mothers are advised to consult a health professional prior to using this medication. There is no specific data available regarding the excretion of this medication in 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 have not been specifically addressed in the available prescribing information. There are no dosage adjustments, special monitoring requirements, or safety considerations outlined for individuals with reduced kidney function. Healthcare professionals should exercise caution and consider the lack of data when prescribing to this patient population.

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 cases of overdosage, it is critical to adhere to the recommended dosage guidelines to prevent adverse effects. The maximum allowable dosage is two tablets within a 24-hour period. Exceeding this limit should only occur under the guidance and supervision of a qualified healthcare professional.

Furthermore, the maximum dosage should not be utilized for a duration exceeding two weeks unless specifically directed by a physician. Prolonged use at maximum dosage without medical oversight may lead to significant health risks and complications.

Healthcare professionals are advised to monitor patients closely for any signs of overdosage and to provide appropriate management strategies as necessary. If an overdosage is suspected, immediate medical attention should be sought to ensure patient safety and to implement necessary interventions.

Nonclinical Toxicology

If pregnant or breastfeeding, it is advised to consult a health professional prior to use. No specific non-teratogenic effects have been identified in the available data. Additionally, there are no detailed findings regarding nonclinical toxicology or animal pharmacology and toxicology provided in the current information.

Postmarketing Experience

No postmarketing experience details are available in the insert text.

Patient Counseling

Healthcare providers should advise patients to keep the medication out of reach of children to prevent accidental ingestion. It is important to inform patients not to exceed a dosage of 2 tablets within a 24-hour period unless directed by a healthcare professional. Additionally, patients should be cautioned against using the maximum dosage for more than 2 weeks without the guidance and supervision of a doctor.

Patients should also be encouraged to consult with their healthcare provider or pharmacist before using this medication if they are currently taking any prescription drugs, as antacids may interact with certain medications. This precaution helps ensure safe and effective use of the product while minimizing the risk of adverse interactions.

Storage and Handling

The product is supplied in various package configurations, with specific NDC numbers available for identification. It is essential to store the product at a temperature not exceeding 25°C (77°F) to maintain its integrity and efficacy. Proper storage conditions must be adhered to, ensuring that the product is kept in a suitable container that protects it from environmental factors. Special handling requirements should be observed to prevent any compromise to the product's quality.

Additional Clinical Information

Patients aged 12 years and older are advised to chew 1 or 2 tablets as symptoms occur, or as directed by a clinician. It is important that the tablets are chewed or crushed completely before swallowing. Patients should not use the medication for symptoms that persist for more than 2 weeks without consulting a healthcare professional.

No further information is available regarding laboratory tests, abuse potential, patient counseling, or postmarketing experiences.

Drug Information (PDF)

This file contains official product information for Gas-X, 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 Gas-X, 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.