Kremil

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Kremil

Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Kremil

Property Description
Active ingredient Simethicone (Activated Dimethicone)
Form Oral suspension, Chewable tablet, Capsule
Pharmacological class Antiflatulent / Surface-active agent
General purpose Relief from excess gas and bloating
Origin Synthetic polymer (Silicone compound)

What Type of Medicine is Kremil (Simethicone)?

Kremil is an Over-the-Counter (OTC) medicinal product classified as an antiflatulent agent and a surface-active agent (surfactant). Its therapeutic purpose is to provide relief from the physical discomfort, pressure, and abdominal bloating associated with excess gas trapped within the digestive system. Simethicone, the active component, is widely clinically recognized for the symptomatic relief of gas. This agent functions through a localized, non-systemic mechanism, making it suitable for a broad patient demographic seeking general digestive relief without systemic effects.


Composition and Available Forms of Kremil

The sole active ingredient in this medication is Simethicone, chemically identified as a type of Activated Dimethicone. Simethicone is a synthetic polymer, specifically a silicone compound that lacks a natural origin. As a single-ingredient product, its formulation is adapted for various oral administration forms, notably the chewable tablet, capsule, and the oral suspension (liquid or drops). The oral suspension form is often preferred for treating gas symptoms in certain patient groups, such as infants. The formulation maintains a non-systemic nature.


How Does Kremil Physically Relieve Bloating and Gas?

Kremil works through a localized physiological action that involves physics rather than chemistry. It functions as a defoaming agent, reducing the surface tension of the liquid contents within the gastrointestinal tract. This action causes the countless small, stable, foamy gas bubbles to immediately combine, a process termed coalescence. The compound facilitates the immediate transformation of trapped foam into larger, easily expelled bubbles. This mechanism is crucial for relieving the painful pressure of flatulence, as it ensures the natural release of excess gas from the body via eructation or flatus without requiring absorption into the bloodstream.

Regulatory References

  1. MedlinePlus, U.S. National Library of Medicine

What side effects are possible with Kremil?

Possible Side Effects and Safety Information

The safety profile of Kremil, which contains Simethicone, is strongly characterized by its non-systemic mechanism; the active substance is not absorbed into the bloodstream. This physiological safety principle is well-documented in government authoritative sources and limits the potential for systemic adverse effects.


Officially Documented Adverse Reactions

Adverse reactions listed in official regulatory documents are classified by frequency. Safety reports consolidate events primarily within the Gastrointestinal Disorders system-organ class, with other rare effects related to the Immune System and Skin.

Classification System-Organ Class Focus Documented Effects
Uncommon (0.1% to 1%) Gastrointestinal Disorders Constipation, Nausea
Rare (0.01% to 0.1%) Immune System / Skin Hypersensitivity reactions, Rash, Pruritus (itching)

Serious Adverse Reactions and Key Safety Constraints

Regulatory labeling highlights the risk of Severe Allergic Reactions as a serious adverse reaction. These rare hypersensitivity events may manifest as tongue edema, face edema, or respiratory difficulty. The primary constraint listed in the safety information is a known hypersensitivity or allergy to Simethicone or any other ingredient in the formulation.

Due to the lack of systemic absorption, the medication is not expected to pass into breast milk or harm an unborn baby, which are important safety statements noted in official authoritative documents regarding use during pregnancy and lactation. Furthermore, Simethicone has not been shown to cause different side effects in children than in adults when used in appropriate effective doses.

Overdose and Emergency Response

Overdose and When to Seek Help

The official overdose profile for Simethicone (Kremil) is defined by its physical mode of action and non-systemic properties, as stated in government regulatory documents.

Documented Overdose Manifestations

Domain Regulatory Statement on Overdose
Systemic Toxicity Due to negligible gastrointestinal absorption, no specific signs or symptoms of systemic toxicity are documented in regulatory prescribing information. The drug is considered biologically inert, and systemic adverse effects are not expected.
Severe Outcomes None explicitly documented in official government labels; life-threatening cardiovascular or neurological effects are not anticipated.

Officially Required Emergency Actions

Domain Regulator-Mandated Action
Help-Seeking Regulatory authorities mandate that individuals seek immediate medical attention or consult a healthcare professional if they suspect a significantly excessive amount has been ingested.
Antidote No specific antidote is known or documented in the official Summary of Product Characteristics (SmPC).
Management Treatment is restricted to symptomatic and supportive treatment. Procedures like gastric lavage are not generally required due to the drug's non-absorbable nature.

Connection to the Overdose Profile

The regulatory documents consistently define the overdose scenario based on the absence of systemic effects. The requirement to seek immediate medical advice following a large intake is mandated as a general precaution, not in response to an expected clinical syndrome. Hospital monitoring may be required for observation following the accidental ingestion of a significantly large, unknown quantity.

Therapeutic Uses of Kremil

What Kremil Treats: Main Uses and Benefits

Kremil is commonly used in areas where short-term symptom management is appropriate for symptoms related to physical discomfort from gas. The primary benefit contributes to improved comfort by easing distress associated with trapped wind, which may help patients cope more steadily with symptom fluctuations.

The medication is commonly used to help with abdominal bloating, internal pressure, and the sensation of fullness that cluster into patterns requiring symptomatic support. It addresses conditions presenting with acute episodes and is relevant when supportive symptom management is appropriate in clinical settings that involve unstable symptom patterns, such as painful cramping or post-operative gas accumulation. This medication is commonly used to help with symptoms that create noticeable physiological strain, such as uncomfortable or painful pressure, fullness, and bloating. The primary goal of this medication is to help treat these symptoms of gas to alleviate the physical sensations of pressure and distension.

This medication is applied across domains where additional symptomatic support is needed for various age groups, including adults, older adults, and infants experiencing wind-related symptoms, assisting with maintaining functional stability and helping improve day-to-day comfort during symptomatic periods.


Quick Fact: Supportive management for Abdominal Distension and Pressure

Regulatory References

  1. MedlinePlus Drug Information

Eligibility and Restrictions for Use

Population Eligibility for Kremil (Simethicone)

The official regulatory eligibility profile for Simethicone is characterized by broad permission across many patient groups due to its mechanism as a non-systemic agent that is not absorbed into the bloodstream. This information is derived exclusively from government-approved labeling.


Populations Allowed and Restricted

Category Eligibility Status Basis for Status (Regulatory Labeled)
Adults and Older Adults Permitted and Established Use is permitted without specific age-related restrictions or dose adjustments.
Pediatric Use Permitted for All Ages Approved for use in infants, children, and adolescents for symptomatic relief of gas.
Pregnancy/Lactation Permitted Use is permitted as the compound is not systemically absorbed and does not transfer to breast milk.
Renal/Hepatic Impairment Permitted No specific restrictions are documented for patients with kidney or liver impairment.

Absolute Non-Eligibility (Contraindication)

The medicine is contraindicated in patients with a known hypersensitivity or allergy to Simethicone or any of the product’s inactive components. Additionally, official documents restrict its use in cases of suspected or known gastrointestinal obstruction.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Simethicone (Kremil) is a non-systemic medicine with an inert pharmacological profile, which results in minimal documented drug interactions. The established interaction pattern is primarily physical, centered on interference with absorption within the gastrointestinal tract, rather than metabolic pathways.

Documented Exposure-Altering Interaction

The only officially documented, clinically significant interaction involves thyroid hormone replacement therapies. Co-administration of Simethicone with levothyroxine and similar thyroid hormone products may decrease the oral bioavailability of the thyroid hormone. This outcome is an exposure-altering interaction that results in the reduced effectiveness of the thyroid medication.

Mandatory Administration Rules

Due to this interaction, a mandatory administration rule is enforced by regulatory agencies. Products that interfere with levothyroxine absorption must be separated in time. Simethicone must be administered at least four hours before or after the dose of levothyroxine.

Absence of Other Documented Interactions

No formal prohibitions or contraindicated combinations are listed in government regulatory documents for Simethicone. Furthermore, because it is not absorbed into the bloodstream, there are no officially documented interactions with the CYP450 enzyme system, drug transporters, or other metabolic pathways. Similarly, no specific interactions with food, alcohol, or herbal products are documented as requiring restriction.

Mechanism of Action

Kremil's mechanism is defined by its physico-chemical action, operating locally within the gastrointestinal (GI) tract without involving systemic biological pathways.


Localized Modification of Surface Tension

The core mechanistic domain of Kremil is the modification of surface tension at the interface between liquid and gas in the gut. The active component, Simethicone, acts as a non-systemic surfactant, meaning it is chemically inert and not absorbed into the body. This action physically destabilizes the small, persistent gas bubbles trapped in the digestive contents . This action defines the mechanism's primary step and initiates the subsequent cascade without engaging any biological receptors or enzymes, ensuring the mechanism is highly localized.


The Coalescence and Clearance Cascade

By reducing surface tension, the drug triggers a coalescence cascade, causing the tiny, stable gas bubbles to rapidly merge into significantly larger pockets of free gas. This physical transformation is the key pathway effect. The resulting physiological consequence is the accelerated and facilitated clearance of free gas from the gastrointestinal lumen. This mechanistic effect results in a reduction of the physical volume occupied by dispersed gas within the lumen.


Mechanistic Constraints: Non-Interference with Gas Production

The mechanism is strictly limited to eliminating existing foam; it does not engage in any biological process that regulates the production rate of gas. This constraint defines the scope of its action, meaning it is only physiologically relevant when gas is present in a foam-like, trapped state. The mechanism does not modulate physiological processes related to underlying digestive conditions or gas creation.

Dosage and Administration Information

How to Use Kremil (Simethicone) — General Administration Guidelines

The administration of Simethicone follows standardized dosing and precise instructions for its non-systemic use as an antiflatulent agent. This medication is exclusively administered via the oral route in all forms, including oral suspensions, softgels, and chewable tablets.


Administration Scope

Instruction Detail
Dosing Schedule (Adults age 12 years and older) The single dose typically ranges from 40 mg to 360 mg. The Maximum Daily Dose must not exceed 500 mg in 24 hours.
Frequency and Timing Dosing is repeated as needed (PRN), up to four times daily. Administration is scheduled after meals and at bedtime for symptomatic purposes.
Preparation and Handling Oral Suspensions/Drops must be shaken well before measurement; they may be mixed with cool water or infant formula. Chewable Tablets must be chewed thoroughly before swallowing, while softgels must be swallowed whole with water.

Population-Specific Use

Instructions include specific dosing rules for younger patients, requiring precise measurement with the supplied dosing device.

  • Infants (under 2 years): The labeled single dose is 20 mg. The maximum allowed dose is 240 mg in a 24-hour period.
  • Children (2 to 12 years): The labeled single dose is 40 mg. The maximum allowed dose is 480 mg in a 24-hour period.

Use Protocol

This medication is intended for short-term or occasional use for acute symptoms. The labeled maximum daily dose must not be exceeded unless under the advice and supervision of a physician, as it is designed for intermittent intervention.

Recent Clinical Evidence

Kremil is a combination medication typically formulated to address gastrointestinal issues such as heartburn, acid indigestion, and stomach pain, most commonly by neutralizing stomach acid. Its components generally include a blend of antacids, which are basic inorganic salts such as Aluminum Hydroxide and Magnesium Hydroxide, to raise the pH level of the gastric secretions. This action helps alleviate the discomfort caused by excess acid and inhibits the activity of pepsin, an enzyme that can further aggravate the gastric lining.

Efficacy in Symptom Management

Clinical research on antacid combinations supports their role in providing rapid, symptomatic relief of dyspepsia (indigestion) and heartburn. While these medications primarily target the symptoms, rather than the underlying cause of conditions like Gastroesophageal Reflux Disease (GERD) or peptic ulcers, trials have demonstrated their effectiveness in improving acid-related discomfort in patients. Some studies also incorporate a third component, such as Simethicone, to help reduce bloating and gas-related symptoms by lowering the surface tension of gas bubbles in the gastrointestinal tract.

Tolerability and Safety Profile

In studies assessing safety and tolerability, antacid formulations are generally well-regarded for short-term use. Adverse events reported are typically related to the gastrointestinal tract. For instance, Aluminum Hydroxide may be associated with constipation, while Magnesium Hydroxide can be associated with loose stools or diarrhea. These effects are dependent on the balance of the combined ingredients. Overall, clinical data indicates that the combination is considered tolerable for temporary relief of symptoms when used as directed.


Note: Evidence on combination antacids generally focuses on short-term efficacy for symptom relief, and they are not intended for long-term therapeutic management of chronic diseases.

Key Studies & References

  1. Dyspepsia and gastro-oesophageal reflux disease in adults: investigation and management (NICE Guideline CG184)
  2. Effects of Aluminum/Magnesium Hydroxide and Calcium Carbonate on Esophageal and Gastric pH in Subjects with Heartburn
  3. Simethicone - StatPearls (Source for antiflatulent mechanism and general safety)

Frequently Asked Questions (FAQ)

Common questions about Kremil (FAQ)


Q: Is Kremil the same type of medicine as Tums or Rolaids?

Kremil is described as an antacid combination that contains Aluminum Hydroxide and Magnesium Hydroxide, plus Simethicone. While these ingredients function to neutralize stomach acid, other over-the-counter antacids, such as those that use Calcium Carbonate, belong to the same general category of medicine but have different chemical components. Official labeling describes the different types of active ingredients used.


Q: Is Kremil safe to take every day for a long time?

Regulatory administration guidelines structure the use of Kremil for short-term or occasional symptomatic relief. Official documents state this medicine is not intended for long-term therapeutic management of chronic diseases. Consistent with this, evidence indicates that studies generally focus on short-term efficacy.


Q: Can Kremil be used for stomach pain not related to heartburn?

Kremil is officially labeled for the temporary relief of symptoms associated with pressure, bloating, and gas, as well as stomach pain caused by acid indigestion or heartburn. Its components address discomfort related to excess acid and trapped gas.


Q: Will Kremil stop my other medication from working properly?

Official documents describe a required administration rule for an interaction involving Levothyroxine (thyroid hormone replacement therapy), which may have decreased oral bioavailability when co-administered. Aside from this, no other formal prohibitions or contraindicated combinations are listed in regulatory documents.


Q: What are the long-term research findings about Kremil's safety?

Official documents indicate that the evidence theme for antacid combinations generally focuses on short-term efficacy for symptom relief. Official documents focus on short-term efficacy and do not provide extensive long-term safety data, consistent with the product not being intended for long-term therapeutic management of chronic conditions.


Q: What's the difference between Kremil and a proton pump inhibitor (PPI)?

Kremil works by neutralizing existing stomach acid to raise the pH level. This differs from medicines like Proton Pump Inhibitors (PPIs), which work through a systemic biological pathway to reduce the production of stomach acid. The Simethicone component works physically to break up gas bubbles.


Q: What does 'contraindicated' mean in relation to Kremil?

The term 'contraindicated' in official regulatory documents means that the medicine should not be administered to individuals who meet those specific criteria. This is because a specific medical condition, such as a known allergy or gastrointestinal obstruction, could lead to an unacceptable risk.


Q: Does Kremil work by neutralizing stomach acid or reducing its production?

Kremil works by neutralizing existing stomach acid and by physically breaking up gas bubbles. Official documents describe the mechanism as not engaging in the biological process that regulates the rate of acid production or gas production.


Q: Is Kremil a brand name, and what are its generic equivalents?

Kremil is presented as a brand name product. Official labeling identifies the established active ingredient for the antiflatulent component as Simethicone, which is the widely used generic name.


Q: Do I need to space out Kremil from my vitamins or other tablets?

Although there are no formal prohibitions listed for general tablets, antacid components can physically interfere with the absorption of other orally taken medicines. Administration rules require a separation of at least four hours for levothyroxine; physical interference with the absorption of other tablets is a descriptive consideration.


Q: How quickly does Kremil start working after I take it?

Clinical research describes the medicine as providing rapid, symptomatic relief because its components act locally. The acid-neutralizing and physical gas-breaking actions occur very quickly upon contact within the gastrointestinal tract.


Q: How long can the effects of one dose of Kremil last?

The medicine is generally used as needed because its action is physical and localized rather than systemic. The frequency described in official guidelines is up to four times daily as needed, which is consistent with its short duration of action as a non-systemic agent.


Q: Does using Kremil affect the results of blood tests?

The active component, Simethicone, is not systemically absorbed into the bloodstream and is eliminated unchanged in the feces. Based on its non-systemic mechanism, the medicine is described as not having systemic effects that would impact the results of standard blood tests.


Q: What kind of studies support the use of Kremil?

Official support for the medicine is based on clinical research and trials that have examined its efficacy and tolerability. The supportive clinical trials include controlled studies that examine the medicine's effects relative to a placebo.


Q: Is there a maximum number of days I can take Kremil in a row?

Official documents describe the intended use as short-term or occasional for acute symptoms. While a specific duration is not defined, administration rules require the labeled maximum daily dose not be exceeded unless directed by a healthcare professional.


Q: Is Kremil safe for people with high blood pressure?

Official regulatory documents do not list high blood pressure as a specific contraindication or a condition requiring a special population dosage adjustment for the medicine's active components.


Q: Can taking Kremil affect my ability to drive or operate machinery?

The active component, Simethicone, is not systemically absorbed into the bloodstream and is not noted in official documents to cause the central nervous system effects (like drowsiness) that might affect the ability to drive or operate machinery.


Q: Is the research on Kremil based mostly on animal or human studies?

The evidence supporting the use of the medicine is drawn from clinical research and controlled human trials that assess the product's efficacy and safety profile in patient populations. This clinical data forms the basis of official regulatory approvals.


Q: Does the official labeling mention use for conditions other than the primary one?

Beyond the common uses for gas and acid indigestion, official labeling describes the medicine's role as a diagnostic aid. This is done to reduce gas bubbles before certain medical procedures, such as gastroscopy or radiography.


Q: What kind of research is currently being done on Kremil?

Current studies registered with government agencies are examining the medicine's potential role as a premedication (often in combination with other agents) to improve the visualization of the GI tract lining during diagnostic procedures like upper endoscopy.


Q: What are the known effects of an overdose of Kremil?

Official regulatory labels contain a warning that states: “In case of overdose, get medical help or contact a poison control center right away.” Due to the medicine’s non-systemic nature, clinical documents generally indicate a wide therapeutic index.

How should Kremil be stored and disposed of?

Storage and Disposal Instructions for Kremil

Official regulatory documents mandate specific conditions for storing and disposing of this medicine (Aluminum Hydroxide, Magnesium Hydroxide, and Simethicone).


Storage Requirements

Condition Requirement
Temperature Store at Controlled Room Temperature, typically 20 to 25 C (68 to 77 F).
Protection The product must be protected from freezing and stored away from excess heat and moisture.
Container Keep the medicine in its original container and ensure it is tightly closed.
Child Safety It is mandatory to store the medication out of the sight and reach of children.

Disposal Instructions

Unused or expired Kremil must be properly discarded.

Disposal procedures must follow local regulations for pharmaceutical waste. This ensures safe handling and prevents environmental contamination.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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