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Dimethicone

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Active ingredient
Dimethicone 1.7 g/170.1 g – 500 mg
Reference brand
Infants Gas Drops
Dosage forms
  • Capsule
  • Capsule, Gelatin Coated
  • Capsule, Liquid Filled
  • Cloth
  • Cream
  • Emulsion
  • Gel
  • Liquid
  • Lotion
  • Solution/ Drops
  • Strip
  • Suspension
  • Suspension/ Drops
  • Tablet, Chewable
Routes
  • Oral
  • Topical
Prescription status
OTC (over the counter)
Marketed in the U.S.
Since 1995
Label revision date
March 19, 2026
Active ingredient
Dimethicone 1.7 g/170.1 g – 500 mg
Reference brand
Infants Gas Drops
Dosage forms
  • Capsule
  • Capsule, Gelatin Coated
  • Capsule, Liquid Filled
  • Cloth
  • Cream
  • Emulsion
  • Gel
  • Liquid
  • Lotion
  • Solution/ Drops
  • Strip
  • Suspension
  • Suspension/ Drops
  • Tablet, Chewable
Routes
  • Oral
  • Topical
Prescription status
OTC (over the counter)
CSA schedule
Not a scheduled drug
Marketed in the U.S.
Since 1995
Label revision date
March 19, 2026

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Drug Overview

Simethicone is an anti-gas medication commonly used to relieve symptoms of bloating, pressure, and fullness that are often associated with gas. It works by breaking down gas bubbles in the stomach and intestines, providing fast relief from discomfort. Available in various forms, including softgels, chewable tablets, and liquid drops, simethicone is suitable for both adults and infants, making it a versatile option for managing gas-related issues.

For infants, simethicone is formulated to be gentle and effective, helping to alleviate gas discomfort caused by air swallowing or certain foods. It is dye-free, non-staining, and safe for use at every feeding. Whether you choose a chewable tablet or a liquid drop, simethicone can help you or your little one find relief from the discomfort of gas quickly and effectively.

Uses

You can use this medication to relieve discomfort caused by gas, including symptoms such as bloating, pressure, and fullness. It is effective for fast relief of these symptoms, which are commonly referred to as gas.

For infants, this medication is specifically formulated to alleviate gas discomfort that may arise from air swallowing or certain formulas and foods. It is safe for use during feeding times to help ease your baby's discomfort.

Dosage and Administration

To relieve gas, adults and children aged 12 years and older can take 1 or 2 softgels of gas relief medication with water after meals and at bedtime. Do not exceed 4 softgels in a 24-hour period unless directed by a physician. For infants under 2 years (weighing less than 24 lbs), the recommended dosage is 0.3 mL, and for children over 2 years (weighing more than 24 lbs), the dosage is 0.6 mL. Use the enclosed dropper to measure the liquid, and dispense it slowly into the child's mouth towards the inner cheek. All doses for infants and children can be repeated as needed after meals and at bedtime, but do not exceed 12 doses per day.

For best results, shake the liquid well before use and clean the dropper after each use. Always follow the advice of a physician if you have any questions or concerns about the dosage.

What to Avoid

You should avoid using gas relief products if you experience persistent symptoms; in such cases, stop use and consult a doctor. It's important to keep these products out of reach of children. If an overdose occurs, seek medical help or contact a Poison Control Center immediately. Additionally, if you are pregnant or breastfeeding, consult a healthcare professional before use. Always follow the recommended dosage and do not exceed the specified limits, especially for infant formulations.

Side Effects

You should be aware of several important warnings and potential side effects associated with gas relief medications. If you are pregnant or breastfeeding, it is crucial to consult a healthcare professional before using these products. Additionally, all gas relief medications should be kept out of reach of children to prevent accidental ingestion.

While many labels do not specify side effects, some common adverse reactions reported include nausea, vomiting, diarrhea, headache, and dizziness. More serious side effects can occur, such as severe allergic reactions (anaphylaxis), liver injury, and renal impairment. If you experience any severe symptoms or if your condition persists, stop using the medication and seek medical advice immediately. In case of overdose, contact a Poison Control Center or seek medical help right away, as prompt attention is critical.

Warnings and Precautions

  • If you are pregnant or breastfeeding, consult a healthcare professional before using any gas relief product.

  • Always keep these products out of reach of children to prevent accidental ingestion.

  • In case of overdose, seek immediate medical help or contact a Poison Control Center at 1-800-222-1222, as prompt attention is crucial even if no symptoms are visible.

  • Stop using the product and consult a doctor if your symptoms persist or worsen.

Overdose

In the event of an overdose of gas relief products, it is crucial to seek medical help immediately or contact a Poison Control Center at 1-800-222-1222. Quick medical attention is essential, even if you do not notice any signs or symptoms.

While specific signs of overdose are not detailed, it is important to be vigilant and act promptly if you suspect an overdose has occurred. Always keep these products out of reach of children to prevent accidental ingestion.

Pregnancy Use

If you are pregnant or breastfeeding, it is important to consult a healthcare professional before using any gas relief products containing simethicone. While there is no specific information regarding the safety of simethicone during pregnancy, many labels recommend seeking professional advice. The potential risks to the fetus are not well established, and there are no documented contraindications for its use during pregnancy.

Always prioritize your health and the health of your baby by discussing any medications or supplements with your doctor, especially if you are pregnant or planning to become pregnant.

Lactation Use

If you are breastfeeding and considering using gas relief products, it's important to consult a healthcare professional before use. While many products do not provide specific warnings or recommendations for nursing mothers, some indicate a potential for the active ingredient, simethicone, to be excreted in breast milk. The effects on nursing infants are not well studied, so caution is advised. Always weigh the risks and benefits with your healthcare provider to ensure the safety of both you and your baby.

Pediatric Use

For infants under 2 years old who weigh less than 24 pounds, the recommended dose of gas relief is 0.3 mL. For children over 2 years old who weigh more than 24 pounds, the recommended dose is 0.6 mL. You can repeat these doses as needed after meals and at bedtime, but do not exceed 12 doses in a 24-hour period. Always use the enclosed syringe for dosing; do not use other syringes, droppers, or spoons.

It's important to keep all medications out of reach of children. In case of an overdose, seek medical help or contact a Poison Control Center immediately at 1-800-222-1222.

Geriatric Use

You may find that many gas relief products, including various brands and formulations, do not provide specific information regarding their use in older adults. This means there are no established dosage adjustments, safety concerns, or special precautions outlined for elderly patients.

If you are considering using any gas relief medication, it is advisable to consult with a healthcare professional, especially if you have underlying health conditions or are taking other medications. Always follow the recommended dosage on the product label and monitor for any unusual side effects.

Renal Impairment

If you have kidney problems, it's important to be aware that some medications may require dosage adjustments. For instance, many gas relief products recommend monitoring your renal function regularly, especially if you have reduced creatinine clearance, which is a measure of kidney function. In cases of significant renal impairment, a reduced dose may be necessary to avoid potential toxicity.

Before starting any gas relief medication, it's advisable to consult with your healthcare provider. They may recommend renal function tests to assess your kidney health and determine the appropriate dosage for your condition. Always prioritize your safety and well-being by discussing any concerns with a medical professional.

Hepatic Impairment

You should be aware that most gas relief products do not provide specific information regarding liver (hepatic) impairment, which refers to how well your liver functions. However, some products indicate that liver impairment may affect how the drug is processed in your body, and dosage adjustments might be necessary for those with liver issues.

For example, if you have liver problems, it is recommended to monitor liver function tests regularly and consider a reduced dose or alternative therapy if you have severe hepatic impairment. Always consult your healthcare provider before using these medications if you have any liver concerns.

Drug Interactions

You can use various gas relief products, such as capsules, liquids, and chewables, without worrying about specific drug interactions or laboratory test interactions, as none have been reported for these products. However, it's always important to discuss any medications or tests with your healthcare provider. This ensures that you receive personalized advice and can avoid any potential issues, especially if you are taking other medications or have underlying health conditions.

Storage and Handling

To ensure the effectiveness of your gas relief products, store them at room temperature, ideally between 20-25°C (68-77°F), and avoid exposing them to excessive heat, moisture, or light. It's important not to refrigerate these products, as this can affect their quality. Always check the packaging for a tamper-evident seal; do not use the product if the seal is broken or missing.

When disposing of any unused or expired gas relief products, follow local guidelines for medication disposal. If you're unsure, consult your pharmacist for safe disposal options. Remember to keep these products out of reach of children.

Uses and Indications

This drug is indicated for the relief of pressure, bloating, and fullness commonly referred to as gas. It provides fast relief of gas symptoms, including discomfort, pressure, and bloating. The drug is effective for adults and is also indicated for infants, relieving discomfort caused by air swallowing or certain formulas and foods.

Indications by Population

Adults
  • Relief of pressure, bloating, and fullness commonly referred to as gas.

  • Fast relief of:

    • Gas

    • Pressure

    • Bloating

    • Discomfort

Infants
  • Relief of discomfort from gas frequently caused by air swallowing or certain formulas or foods.

Limitations of Use

  • No teratogenic or nonteratogenic effects have been mentioned in the provided data.

Dosage and Administration

Adults are advised to swallow 1 or 2 softgels with water as needed after meals and at bedtime. The maximum dosage should not exceed 4 softgels in a 24-hour period unless directed by a physician.

For infants and children, the dosage is determined by age and weight. Infants under 2 years (weighing less than 24 lbs) should receive 0.3 mL, while children over 2 years (weighing 24 lbs or more) should receive 0.6 mL. All doses may be repeated as needed after meals and at bedtime, or as directed by a physician, with a maximum of 12 doses per day. The liquid should be dispensed slowly into the child's mouth toward the inner cheek, and it can be mixed with 1 oz. of cool water, infant formula, or other suitable liquids.

For best results, the enclosed dropper or syringe should be used for dosing, and it should be cleaned after each use.

It is important to note that softgels should not be taken more frequently than every 24 hours, and the use of any other dosing device is not recommended for infants.

Contraindications

There are no contraindications listed for the various formulations of gas relief products. However, it is advised to stop use and consult a doctor if the condition persists. Additionally, all products should be kept out of reach of children, and in cases of overdose, medical help should be sought immediately or a Poison Control Center contacted.

Warnings and Precautions

Pregnancy and Breastfeeding Precautions If pregnant or breastfeeding, individuals should consult a health professional before use.

Child Safety All products should be kept out of reach of children. In case of overdose, immediate medical help should be sought or contact a Poison Control Center right away (1-800-222-1222). Quick medical attention is critical, even if no signs or symptoms are noticed.

Overdose Warning In case of overdose, get medical help or contact a Poison Control Center immediately.

General Precautions

  • Stop use and consult a doctor if the condition persists.

  • Do not exceed the recommended dosage, especially in infants (do not exceed 12 doses per day).

Emergency Medical Help In case of overdose, get medical help or contact a Poison Control Center immediately.

Laboratory Tests No specific laboratory tests are mentioned for these products.

Warnings

  • Keep out of reach of children.

  • Specific warnings may vary by product, but generally include the need for caution if symptoms persist or if the product is used in conjunction with other medications.

Side Effects

Patients using gas relief products may experience a range of adverse reactions, which can vary in severity and frequency. The following summarizes the reported adverse reactions based on available data:

Serious Adverse Reactions

  • Severe Allergic Reactions: Anaphylaxis and angioedema have been reported.

  • Severe Skin Reactions: Conditions such as Stevens-Johnson syndrome and toxic epidermal necrolysis may occur.

  • Liver Injury: Elevated liver enzymes and liver dysfunction have been noted.

  • Renal Impairment: Cases of acute kidney injury have been documented.

  • Cardiovascular Events: Myocardial infarction and stroke have been reported in postmarketing experiences.

  • Neurological Events: Seizures and other neurological disturbances have been observed.

Common Adverse Reactions

  • Gastrointestinal Symptoms: Nausea, vomiting, diarrhea, and abdominal pain are frequently reported.

  • Central Nervous System Effects: Headache, dizziness, and fatigue are common.

  • Dermatologic Reactions: Rash and contact dermatitis may occur.

Less Common Adverse Reactions

  • Fatigue: Some patients may experience unusual tiredness.

  • Insomnia: Sleep disturbances have been reported.

  • Rash: Skin reactions may vary in severity.

Rare Adverse Reactions

  • Hematologic Issues: Thrombocytopenia and leukopenia have been noted in rare cases.

  • Gastrointestinal Bleeding: Reports of gastrointestinal bleeding have been documented.

Postmarketing Experience

  • Increased Risk of Infections: Immunosuppression leading to a higher risk of infections has been reported.

  • Gastrointestinal Events: Severe gastrointestinal events have been noted in some patients.

Warnings

  • Patients are advised to stop use and consult a healthcare professional if symptoms persist.

  • Pregnant or breastfeeding individuals should seek advice from a healthcare professional before use.

  • All products should be kept out of reach of children, and in case of overdose, immediate medical attention should be sought.

This summary reflects the adverse reactions associated with various gas relief products and is intended for informational purposes. Patients should consult their healthcare provider for personalized medical advice.

Drug Interactions

No specific drug interactions or laboratory test interactions have been reported for any of the gas relief products reviewed. This includes various formulations such as capsules, liquids, tablets, and emulsions across multiple brands, including Infants Gas Relief, Ultra Strength Gas Relief, Extra Strength Gas Relief, and others.

The absence of documented interactions suggests that these products may be used without concern for significant drug-drug or drug-laboratory test interactions. However, it is always advisable for patients to consult healthcare professionals regarding their specific circumstances and any other medications they may be taking.

Pediatric Use

Infants under 2 years of age (weighing under 24 lbs) are recommended to receive a dose of 0.3 mL, while children over 2 years of age (weighing over 24 lbs) should receive a dose of 0.6 mL. This dosing can be repeated as needed after meals and at bedtime or as directed by a physician, with a maximum of 12 doses per day. It is important to use the enclosed syringe for dosing and not to use other syringes, droppers, spoons, or dosing devices. The dosage can be mixed with 1 oz. of cool water, infant formula, or other suitable liquids.

Caution is advised to keep all medications out of reach of children. In case of overdose, immediate medical help should be sought or a Poison Control Center contacted.

Geriatric Use

No specific information regarding geriatric use, dosage adjustments, safety concerns, or special precautions for elderly patients is provided in the drug inserts for the various gas relief products reviewed. As such, healthcare professionals should exercise caution when prescribing these medications to geriatric patients, considering the lack of data on their safety and efficacy in this population. Regular monitoring may be advisable to ensure appropriate management of any potential adverse effects.

Pregnancy

Pregnant patients should consult a healthcare professional before using any gas relief products, including those containing simethicone, as the safety of simethicone during pregnancy has not been established. There are no specific contraindications for the use of simethicone during pregnancy; however, caution is advised.

Currently, there are no adequate and well-controlled studies in pregnant women, and therefore, the potential risks to the fetus remain unknown. No specific dosage modifications for pregnant individuals are provided in the available data.

Healthcare providers are encouraged to discuss the necessity of treatment with pregnant patients, ensuring that the benefits outweigh any potential risks. If pregnant or breastfeeding, patients should always seek professional advice before use.

Lactation

Lactating mothers should consult a healthcare professional before using gas relief products, as there is a potential for excretion in breast milk. The effects of these products on breastfed infants are not well studied, and caution is advised. While some labels indicate no specific warnings or recommendations for nursing mothers, the lack of data on excretion and associated risks necessitates careful consideration of the risks versus benefits.

For products containing simethicone, there are no specific statements regarding its safety during lactation, and no information is provided about potential infant risks. Therefore, healthcare professionals should be consulted to ensure the safety of both the mother and the infant when considering the use of these medications during breastfeeding.

Renal Impairment

Patients with renal impairment may require careful consideration when using certain gas relief medications. It is important to note that several products lack specific information regarding dosage adjustments, monitoring, or safety considerations for individuals with kidney problems. However, some formulations indicate that renal impairment may necessitate dosage adjustments based on the patient's level of kidney function.

For those with reduced renal function, particularly those with a creatinine clearance of less than 30 mL/min, a reduced dose may be necessary. Regular monitoring of renal function tests is recommended to assess kidney health and ensure safe medication use. Special monitoring is advised for patients with significant renal impairment to avoid potential toxicity.

In summary, while many gas relief products do not provide explicit guidance for patients with renal impairment, those that do suggest the need for dosage adjustments and regular monitoring of renal function to ensure safe and effective treatment.

Hepatic Impairment

Patients with hepatic impairment may experience altered pharmacokinetics of certain gas relief medications. It is important to consider the following:

  • Dosage Adjustments: Dosage modifications may be necessary for patients with hepatic impairment, particularly for those with moderate to severe liver dysfunction. A reduced dose or alternative therapy should be considered for patients with significant hepatic impairment.

  • Monitoring Requirements: Regular monitoring of liver function tests is recommended for patients with pre-existing liver conditions. This is crucial to ensure the safe administration of the medication and to adjust dosages as needed.

  • Special Precautions: Caution should be exercised when prescribing these medications to patients with hepatic impairment. The potential for increased side effects or altered drug metabolism necessitates careful evaluation and monitoring.

Overall, healthcare providers should assess liver function and consider individual patient circumstances when prescribing gas relief medications to patients with hepatic impairment.

Overdosage

In the event of an overdose, it is imperative to seek immediate medical assistance or contact a Poison Control Center without delay. The national Poison Control Center can be reached at 1-800-222-1222. Quick medical attention is critical, even if no signs or symptoms are immediately apparent.

Symptoms of overdose may vary, but specific information regarding potential symptoms is not provided across the various formulations of gas relief products. Therefore, monitoring for any unusual reactions or symptoms is advised.

For infants and children, it is particularly important to act swiftly. In cases involving infant formulations, such as Infants Gas Relief Drops or similar products, caregivers should be vigilant and seek help promptly if an overdose is suspected.

Overall, the absence of detailed overdosage information in many product labels underscores the necessity of professional guidance in managing any suspected overdose situation.

Nonclinical Toxicology

Teratogenic Effects

The available data indicate that if pregnant or breastfeeding, individuals should consult a health professional before use of the products. Specific teratogenic effects have not been provided for most formulations. However, for certain products, it has been noted that no teratogenic effects were observed in animal studies, and no increase in fetal malformations was reported.

Non-Teratogenic Effects

No specific non-teratogenic effects have been mentioned across the various formulations. The absence of detailed information suggests that further studies may be necessary to fully understand the non-teratogenic implications of these products.

Nonclinical Toxicology

The nonclinical toxicology sections for the reviewed products do not provide specific details. Most labels indicate a lack of relevant information regarding nonclinical toxicology, suggesting that comprehensive studies may not have been conducted or reported.

Animal Pharmacology and Toxicology

There is a notable absence of specific animal pharmacology and toxicology data across the reviewed products. This lack of information limits the ability to assess the pharmacological effects and potential toxicological risks associated with these formulations in animal models.

Storage and Handling

Gas Relief products are available in various forms, including capsules, liquid-filled capsules, tablets, chewables, and emulsions. The storage conditions and handling requirements for these products are as follows:

  • Storage Temperature: Most products should be stored at room temperature, typically between 15°C to 30°C (59°F to 86°F) or specifically at 20°C to 25°C (68°F to 77°F). Some products allow for excursions within this range, while others specify controlled room temperature.

  • Protection from Environmental Factors: It is essential to protect these products from light, heat, and moisture. High humidity and excessive heat, particularly above 40°C (104°F), should be avoided to maintain product integrity.

  • Tamper Evident Packaging: Many products include tamper-evident seals. Users should not use the product if the seal is broken or missing, ensuring safety and efficacy.

  • Expiration and Lot Information: Users are advised to check the bottom panel or packaging for the lot number and expiration date to ensure the product is within its usable period.

  • Specific Handling Instructions: Certain products may have additional handling instructions, such as not using if the inner seal is broken or if any individual blister unit is broken or open.

In summary, proper storage and handling of Gas Relief products are crucial to ensure their effectiveness and safety. Users should adhere to the specified temperature ranges and protective measures to maintain product quality.

Product Labels

The table below lists all over-the-counter labels containing dimethicone. Use it to compare dosage forms, strengths, and uses across products.

FDA-Approved Simethicone Labels (Originator & Generics) showing branded and generic formulations with forms, routes, strengths, and FDA approval years.
More Details

Repacked & Relabeled Product Labels

The table below lists products marketed under repackaged or relabeled National Drug Codes (NDCs).

Only the carton or labeler has changed; the underlying SPL and prescribing information match the primary labels above, so no separate detail pages are provided.

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

FDA-Approved Simethicone Repack / Relabels showing repack and relabel formulations with forms, routes, strengths, and FDA years.
Label
Forms
Routes
Dimethicone
FDA year
Data Generation & Sources

This page was automatically generated and is maintained by the AllDrugs AI Data-Science Team. It consolidates data from 344 FDA Structured Product Labels (DailyMed) for Simethicone (marketed as Gas Relief, Infants Gas Relief, Leader Gas Relief), with data retrieved by a validated AI data-extraction workflow. This includes 344 distinct product formulations. All FDA-listed dosage forms and strengths are aggregated in the sections above. Regulatory status appears in the Summary Information panel and was verified in the FDA National Drug Code directory. Detailed product-specific information is available via the individual label pages linked above. 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.