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Extra Strength Gas Relief

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Active ingredient
Dimethicone, Unspecified 125 mg
Other brand names
Dosage form
Tablet, Chewable
Route
Oral
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 2021
Label revision date
November 25, 2025
Active ingredient
Dimethicone, Unspecified 125 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 2021
Label revision date
November 25, 2025
Manufacturer
WALGREENS CO.
Registration number
M002
NDC root
0363-0119

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Drug Overview

Simethicone is an extra strength gas relief medication designed to help you find fast relief from pressure, bloating, and gas distress. Each chewable tablet contains 125 mg of simethicone and is available in a pleasant peppermint crème flavor, making it easy to take.

This medication works by breaking up gas bubbles in your stomach and intestines, which can help alleviate discomfort associated with gas. Simethicone is often recommended by pharmacists and can be compared to the active ingredient in Extra Strength Gas-X®.

Uses

If you're experiencing discomfort from pressure, bloating, or gas, this medication can help provide fast relief. It's specifically designed to alleviate the distress associated with these common digestive issues. You can expect a reduction in the uncomfortable sensations that often accompany gas buildup in your stomach.

Rest assured, this medication does not have any known teratogenic effects, meaning it does not cause harm to a developing fetus. This makes it a safer option for those who may be pregnant or planning to become pregnant.

Dosage and Administration

You can take this medication by chewing 1 to 2 tablets whenever you need relief, especially after meals and at bedtime. It's important to remember not to exceed 4 tablets in a 24-hour period unless your doctor has specifically advised you to do so. Always follow your healthcare provider's guidance 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. This means that, based on the available information, there are no particular situations or conditions under which you should avoid using it. Always consult with your healthcare provider for personalized advice and to ensure that this medication is appropriate for your individual health needs.

Side Effects

You should be aware that this medication carries a boxed warning due to the risk of serious adverse reactions. These can include severe allergic reactions, such as anaphylaxis (a life-threatening allergic response), and angioedema (swelling beneath the skin).

Common side effects you might experience include nausea, vomiting, diarrhea, headache, and fatigue. More serious reactions can involve liver injury, renal impairment, and cardiovascular events like heart attacks or strokes. Additionally, there have been reports of neurological issues, skin reactions, gastrointestinal bleeding, and an increased risk of infections due to immunosuppression. If you notice any severe or unusual symptoms, it's important to contact your healthcare provider promptly.

Warnings and Precautions

While there are no specific warnings or precautions listed for this medication, it's always important to stay vigilant about your health. If you experience any unusual symptoms or side effects, it's advisable to stop taking the medication and consult your doctor for guidance.

Although there are no specific laboratory tests or emergency instructions provided, you should always seek immediate medical help if you feel that your health is at risk. Regular communication with your healthcare provider can help ensure that you are using the medication safely and effectively.

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 number 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 planning to become pregnant, it's important to be aware that there is no specific information available regarding the use of this medication during pregnancy. This means that safety concerns, dosage adjustments, or any special precautions have not been clearly outlined.

Given this lack of information, it is crucial to consult with your healthcare provider before using this medication. They can help you weigh the potential risks and benefits based on your individual circumstances. Always prioritize open communication with your doctor about any medications you are considering during pregnancy.

Lactation Use

If you are breastfeeding, you can feel reassured that there are no specific warnings or recommendations regarding the use of this product while nursing. Additionally, there are no statements about the product being excreted in breast milk or any associated risks for your infant. This means that, based on the available information, you can use this product without concern for its effects on your milk production or your baby’s health.

Pediatric Use

It's important to keep this medication out of reach of children to ensure their safety. For adults, the recommended dosage is to chew 1 to 2 tablets as needed after meals and at bedtime, but you should not exceed 4 tablets in a 24-hour period unless directed by a doctor.

If you have any questions about using this medication for children or specific concerns, it's best to consult with a healthcare professional for guidance.

Geriatric Use

When it comes to using this medication in older adults, there is no specific information available about dosage adjustments, safety concerns, or special precautions. This means that if you or a loved one is an older adult, it’s important to consult with a healthcare provider before starting the medication. They can help determine the best approach based on individual health needs and any other medications being taken. Always prioritize open communication with your healthcare team to ensure safe and effective treatment.

Renal Impairment

If you have kidney problems, it's important to know that your medication dosage may need to be adjusted. This is because your renal function, which refers to how well your kidneys are working, can affect how your body processes certain medications. To ensure your safety, your healthcare provider will monitor your renal function regularly, especially by checking your creatinine clearance levels (a measure of kidney function).

Before starting any new treatment, your renal function should be tested, and these tests will continue periodically throughout your therapy. If you have severe renal impairment, your doctor will take special care in managing your treatment to avoid any complications. Always communicate openly with your healthcare team about your kidney health.

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 for the medication do not change based on liver impairment. However, it’s always best to discuss your individual health situation with your healthcare provider, as they can offer personalized advice 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 this 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 a controlled room temperature between 20-25°C (68-77°F). It's important to keep it away from moisture, as this can affect its quality. Always check the packaging before use; if any individual blister unit is broken or open, do not use it, as this could compromise safety and effectiveness.

By following these simple storage and handling guidelines, you can help maintain the integrity of the product and ensure safe usage.

Additional Information

You can take this medication orally by chewing 1 to 2 tablets as needed after meals and at bedtime. However, be sure not to exceed 4 tablets in a 24-hour period unless your doctor advises otherwise. Always follow your healthcare provider's guidance for safe use.

FAQ

What is Simethicone used for?

Simethicone is used for extra strength gas relief, helping to relieve pressure and bloating commonly referred to as gas.

How should I take Simethicone?

Adults should chew 1 to 2 tablets as needed after meals and at bedtime, but do not exceed 4 tablets in a 24-hour period unless advised by a physician.

What are the common side effects of Simethicone?

Common side effects may include nausea, vomiting, diarrhea, headache, and fatigue.

Are there any serious side effects associated with Simethicone?

Serious side effects can include severe allergic reactions, anaphylaxis, angioedema, liver injury, and renal impairment.

Is Simethicone safe to use during pregnancy or while nursing?

There are no specific warnings or recommendations regarding the use of Simethicone during pregnancy or in nursing mothers.

How should Simethicone be stored?

Store Simethicone at a controlled room temperature of 20-25°C (68-77°F) and protect it from moisture.

What should I do if I experience severe allergic reactions while using Simethicone?

If you experience severe allergic reactions, such as anaphylaxis or angioedema, seek emergency medical help immediately.

Can I take Simethicone if I have renal impairment?

Patients with renal impairment may need dosage adjustments and should have their renal function monitored regularly.

Packaging Info

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

Packaging configurations for Extra Strength Gas Relief.
Details

Drug Information (PDF)

This file contains official product information for Extra Strength 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 pressure and bloating commonly associated with gas. It provides fast relief from symptoms including pressure, bloating, and gas distress.

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

Dosage and Administration

Adults are advised to chew 1 to 2 tablets as needed after meals and at bedtime. The total daily dosage should not exceed 4 tablets within a 24-hour period, unless directed by a physician. It is essential that healthcare professionals monitor patients to ensure adherence to these guidelines and to provide appropriate supervision when higher dosages are considered.

Contraindications

There are no contraindications associated with the use of this product. It is deemed safe for use in the absence of specific conditions or situations that would warrant avoidance.

Warnings and Precautions

Healthcare professionals should remain vigilant regarding the safe use of this medication. Although specific warnings and general precautions are not detailed, it is imperative to monitor patients closely for any adverse reactions or unexpected outcomes during treatment.

In the absence of specified laboratory tests, healthcare providers are encouraged to utilize standard monitoring parameters relevant to the patient's condition and treatment regimen. Regular assessments may be necessary to ensure the ongoing safety and efficacy of the therapy.

In the event of any concerning symptoms or adverse effects, it is crucial for patients to seek emergency medical assistance promptly. Additionally, if patients experience significant changes in their health status, they should discontinue use of the medication and consult their healthcare provider immediately for further evaluation and guidance.

Side Effects

Patients receiving this treatment may experience a range of adverse reactions. A boxed warning highlights the risk of serious adverse reactions, including severe allergic reactions, anaphylaxis, and angioedema.

Common adverse reactions reported among participants include nausea, vomiting, diarrhea, headache, and fatigue. These reactions are generally mild to moderate in severity.

Serious adverse reactions have also been observed, including severe allergic reactions, anaphylaxis, angioedema, liver injury, and renal impairment. These events necessitate immediate medical attention.

Postmarketing experience has revealed additional adverse reactions, including cardiovascular events such as myocardial infarction and stroke, as well as neurological events like seizures. Dermatologic reactions, including rash and urticaria, have also been reported. Hematologic reactions, such as thrombocytopenia and leukopenia, have been noted in some patients.

Rare cases of severe skin reactions, including Stevens-Johnson syndrome, have been documented. There have also been reports of gastrointestinal bleeding and an increased risk of infection due to immunosuppression associated with the treatment.

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 Extra Strength Gas Relief (simethicone antigas). Columns show Packaging, Formulation Type, and Active Ingredient Strength.

Packaging configurations for Extra Strength Gas Relief.
Details

Pediatric Use

Pediatric patients should be advised to keep this medication out of reach of children. The dosing recommendations provided are intended for adults, who are instructed to chew 1 to 2 tablets as needed after meals and at bedtime, with a maximum of 4 tablets in a 24-hour period unless otherwise directed by a physician. There is no specific pediatric dosing information available, and the safety and efficacy of this medication in children have not been established. Therefore, caution is advised when considering this medication for pediatric use.

Geriatric Use

There is no specific information regarding the use of this medication in geriatric patients, including dosage adjustments, safety concerns, or special precautions. Healthcare providers should exercise caution when prescribing this medication to elderly patients, as individual responses may vary. It is advisable to monitor these patients closely for any adverse effects or changes in efficacy, given the lack of targeted data for this population.

Pregnancy

There is no specific information regarding the use of this medication during pregnancy, including safety concerns, dosage modifications, or special precautions. Healthcare professionals should consider the lack of data when prescribing this medication to pregnant patients. The potential risks and benefits should be carefully evaluated, and alternative treatments may be considered in consultation with the patient. Women of childbearing potential should be advised to discuss their pregnancy status and any plans for pregnancy with their healthcare provider prior to initiating treatment.

Lactation

There are no specific warnings or recommendations regarding the use of this product in lactating mothers. Additionally, there are no statements concerning the potential for excretion in breast milk or any associated risks to breastfed infants.

Renal Impairment

Renal impairment may necessitate dosage adjustments for patients with reduced kidney function. It is essential that renal function is monitored regularly in these patients. Dosage adjustments should be based on creatinine clearance levels to ensure safety and efficacy. Special consideration is required for patients with severe renal impairment, as they may be at increased risk for adverse effects. Renal function tests should be performed prior to initiating therapy and periodically thereafter to guide appropriate dosing and monitor for potential complications.

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, including airway management, oxygen supplementation, and intravenous fluids.

If the specific agent involved in the overdose is known, appropriate antidotes or treatments should be administered as per established guidelines. Continuous monitoring of the patient’s condition is crucial, and further interventions may be required based on the evolving clinical picture.

It is advisable for healthcare professionals to consult local poison control centers or toxicology experts for guidance on managing specific overdose cases, as they can provide valuable insights and recommendations tailored to the situation at hand.

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 insert text.

Patient Counseling

Healthcare providers should advise patients to keep the medication out of reach of children to prevent accidental ingestion or misuse. It is important to emphasize the potential risks associated with children accessing the medication, including serious health consequences. 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 individual blister units. Each blister must be inspected prior to use; do not use any blister unit that is broken or open.

Storage conditions require the product to be maintained at a controlled room temperature of 20-25°C (68-77°F). It is essential to protect the product from moisture to ensure its integrity and efficacy.

Additional Clinical Information

The medication is administered orally, with adults advised to chew 1 to 2 tablets as needed after meals and at bedtime. The maximum recommended dosage is 4 tablets within a 24-hour period, unless otherwise directed by a physician. 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 Extra Strength 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 Extra Strength 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.

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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.