Polycrol

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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 Polycrol

Property Description
Active Ingredients Aluminum Hydroxide, Magnesium Hydroxide, Simethicone
Forms Oral Suspension, Oral Gel, Tablet
Pharmacological Class Antacid-Antigas Agent (Combination)
Common Use Relief from Heartburn, Acid Indigestion, and Bloating
Origin Inorganic Salt and Synthetic Polymer

What Type of Medicine is Polycrol?

Polycrol is identified as a widely recognized over-the-counter (OTC) medication classified as an Antacid-Antigas combination agent. Its distinction lies in its dual-action formulation, designed to simultaneously address two facets of digestive upset—acid and gas—setting it apart from single-ingredient antacids. The medicine is non-systemic, acting locally in the gastrointestinal tract, a mechanism designed to provide rapid relief from acute episodes of discomfort.

The Active Components and Pharmaceutical Form

The medicine is defined by its core blend of three active pharmaceutical ingredients: the inorganic salts Aluminum Hydroxide and Magnesium Hydroxide, and the synthetic polymer Simethicone. The inclusion of both aluminum and magnesium salts is a compositional feature intended to balance their potential gastrointestinal effects, enhancing the overall patient experience. This formulation is most typically administered via the Oral route and is conveniently available as a liquid Oral Suspension, an Oral Gel, and a chewable Tablet form.

Polycrol's General Therapeutic Purpose

The overarching purpose of Polycrol is to provide efficient, symptomatic relief when patients experience conditions such as sour stomach or pressure from entrapped gas. The formulation is specifically designed to manage the irritation caused by excess stomach acid (leading to heartburn and acid indigestion) and to alleviate the physical discomfort associated with bloating and flatulence. This combined relief mechanism utilizes a combination antacid and antiflatulent regimen.

What side effects are possible with Polycrol?

Possible Side Effects and Safety Information

The safety profile for this combination medicine, as documented in official regulatory sources, is primarily characterized by effects localized to the gastrointestinal system and specific constraints related to prolonged use.

Frequency-Classified Adverse Reactions

The most frequent adverse reactions observed are classified as common and involve changes to bowel function. These typically include constipation, which is associated with the aluminum component, and diarrhea or stomach cramps, which are associated with the magnesium component. These effects are generally contained within the Gastrointestinal Disorders system organ class.

Systemic and Duration-Related Safety Patterns

Systemic adverse reactions are explicitly linked to conditions of long-term or high-dose exposure, or to pre-existing conditions. These effects are classified under Metabolism and Nutrition Disorders.

Adverse Reaction Type Context of Official Documentation
Severe Hypophosphatemia Associated with prolonged use of the aluminum component.
Severe Hypermagnesemia Primarily documented in patients with compromised kidney function.

Population-Specific Safety Constraints

Due to the risks associated with the accumulation of aluminum and magnesium, this medicine is formally restricted for use in individuals with severe renal failure. This constraint is due to the potential for the systemic buildup of these mineral components, which can lead to serious adverse reactions. Additionally, safety notes reference patients on low-phosphate diets as having an increased susceptibility to Hypophosphatemia.

Overdose and Emergency Response

The official regulatory documentation for this antacid-antigas combination defines the overdose profile primarily through the systemic risks associated with the active ingredients. Overdose is linked to potential Hypermagnesemia, driven by the high intake of magnesium salts. Documented clinical manifestations of overdose include neurological signs such as drowsiness, confusion, and generalized muscle weakness, along with severe gastrointestinal distress.

The risk profile includes potential for severe and life-threatening outcomes. Manifestations linked to severe Hypermagnesemia can affect the cardiovascular system, presenting as a fast or irregular heartbeat, and the respiratory system, potentially resulting in trouble breathing.

A critical population-specific risk is noted in the official labeling for individuals with kidney disease. Their compromised renal function prevents the effective clearance of the active Aluminum and Magnesium components, dramatically increasing the risk and severity of systemic toxicity following overdose.

The regulatory documents provide explicit instructions for managing this scenario. In the event of accidental overdose or suspected ingestion exceeding recommended limits, individuals are required to seek medical help or contact a Poison Control Center right away. Management is based on the necessity of symptomatic and supportive treatment, as no specific antidote is mentioned in the regulatory documents.

Therapeutic Uses of Polycrol

What Polycrol Treats: Main Uses and Benefits

Polycrol is commonly used for this category of medication in conditions involving episodic or fluctuating manifestations related to gastric distress. It is relevant when short-term symptomatic assistance is needed across three primary domains. It is applied to help address symptom clusters that may become intense or disruptive, including the burning of heartburn, the discomfort of acid indigestion, and the pressure from bloating and entrapped gas.

This combination formulation supports the patient during difficult episodes by easing the distress of pronounced symptoms, such as those following dietary indiscretion. Support for Combined Acid-Gas Episodes is considered relevant for managing mixed symptom clusters that occur simultaneously.

“This medication is primarily relevant for easing symptoms that interfere with daily comfort during acute, episodic digestive upset.”

Quick Fact: Symptomatic Support for Combined Gastric Distress
Primary Symptoms: Heartburn, Acid Indigestion, Bloating, and Gas.
Context of Use: Applied in scenarios requiring additional management of discomfort from simultaneous acid and gas issues.
Main Benefit: Contributes to improved comfort and assists with maintaining functional stability.

Regulatory References

  1. authoritative drug information

Eligibility and Restrictions for Use

Polycrol eligibility is strictly defined by official regulatory labeling, which outlines populations for whom use is allowed, restricted, or contraindicated.

Absolute Contraindications

Use is strictly prohibited for patients with specific health conditions, including Hypophosphatemia, severe Renal Impairment (kidney failure), and Intestinal obstruction. It is also contraindicated if there is a known hypersensitivity to any active ingredient or excipient.


Age and Conditional Use

  • The medicine is considered allowed for adults and adolescents 12 years of age and older.
  • Use is conditional and restricted for children under 12 years, who must seek physician consultation.
  • Similarly, patients who are pregnant or breastfeeding are in a restricted use category and must consult a health professional before use.

Eligibility-Related Restrictions

Eligibility is also limited by the duration of use: taking the maximum dose for more than two weeks changes the status to restricted use requiring medical supervision. Furthermore, patients with existing kidney disease or those on a magnesium-restricted diet must also seek medical advice before starting treatment. This official profile ensures that eligibility is strictly determined by health status, age, and context of use.

What should I know about interactions with other medicines?

Polycrol is an antacid/antigas combination product. The documented interaction profile is primarily based on its active components, aluminum hydroxide and magnesium hydroxide, which influence the absorption and excretion of many co-administered medicines.

Documented Pharmacokinetic Interaction Classes

The primary mechanism of interaction involves the components reducing the oral absorption or decreasing the bioavailability of various drugs through chelate formation or by increasing gastric pH. This action can significantly lower the concentration of the co-administered drug in the bloodstream, reducing its intended effect. The product may also increase the absorption of some drugs, such as ibuprofen, or prematurely release enteric-coated tablets.

Interacting Medicinal Product Categories

Official regulatory information identifies specific drug classes where altered absorption is a concern. These include:

  • Certain Antibiotics: Specifically, drugs in the tetracycline and quinolone classes (e.g., ciprofloxacin, levofloxacin) are subject to decreased absorption when taken concomitantly.
  • Bisphosphonates (e.g., alendronate) and Thyroid Hormones (e.g., levothyroxine) may have their absorption inhibited by the antacid components.
  • Antivirals (e.g., raltegravir, bictegravir) and certain Tyrosine Kinase Inhibitors (e.g., pazopanib) are contraindicated or require strict dosing separation due to pH-dependent changes in absorption.
  • Cardiac Glycosides (e.g., digoxin) and Anticoagulants (e.g., dicoumarol) may also experience changes in serum concentration.

Interaction-Related Constraints

To minimize the risk of decreased absorption, a timing-based separation is often required for susceptible medications. Certain regulatory advisories recommend a separation of at least two hours between the administration of the antacid product and other oral medicines. Furthermore, the combination of aluminum-containing products with citrates (found in many foods, juices, and drug formulations) should be avoided by patients with renal impairment, as it can lead to a significant increase in serum aluminum levels and potential toxicity.

Mechanism of Action

Polycrol is a combination formulation with three primary biological targets: gastric hydrochloric acid, pepsin, and the gas-liquid interface within the gastrointestinal (GI) lumen.

The aluminum hydroxide and magnesium hydroxide components are inorganic bases that function as non-systemic acid-neutralizing agents. In the gastric lumen, they engage in a direct acid-base reaction with hydrochloric acid (HCl), resulting in the formation of water and corresponding chloride salts (aluminum chloride and magnesium chloride). This chemical interaction results in a rapid increase in luminal pH. The downstream cascade of this pH elevation is the inhibition of pepsin activity, as its enzymatic function is strictly dependent on the highly acidic environment. The absorption of the resultant salts is minimal; the unabsorbed fraction is primarily excreted in the feces.

The simethicone component is an organosilicon polymer that functions as a non-systemic surfactant (anti-foaming agent) within the GI tract. Its molecular mechanism involves decreasing the surface tension of the numerous small, dispersed gas bubbles trapped in the GI chyme. This modification causes the small bubbles to coalesce into larger bubbles. The system-level physiological consequence of this structural change is the mechanical facilitation of gas expulsion via the upper or lower GI orifices, modulating the luminal distension pressure.

Dosage and Administration Information

Polycrol is an antacid and anti-gas formulation that is typically available as an oral liquid or chewable tablet, used for the relief of symptoms such as heartburn, acid indigestion, sour stomach, and gas.

General Administration Guidelines

  • Shake well: The oral suspension form of Polycrol should be thoroughly shaken before each dose to ensure uniform distribution of the active ingredients.
  • Dosage Timing: Antacids like Polycrol are generally taken after meals and at bedtime for optimal effectiveness against excess stomach acid. They may also be taken when symptoms arise.
  • Do Not Exceed: Patients should not exceed the maximum daily dosage recommended on the product label or by a healthcare professional.
  • Duration of Use: Do not use the maximum recommended dosage for more than two weeks unless specifically advised and supervised by a doctor. Persistent or recurring symptoms may indicate a more serious underlying condition that requires medical evaluation.

Dosage for Adults (12 years and older)

Formulation Standard Dose Maximum Daily Intake
Oral Liquid/Gel 10 to 20 mL (2 to 4 teaspoons) Not to exceed 60 mL in 24 hours
Chewable Tablets 1 to 2 tablets Not to exceed 9–15 tablets in 24 hours
  • Liquid Dose: The standard dose for the oral gel or syrup is typically 10 mL (two teaspoonfuls), taken as needed. Some formulations may permit up to 20 mL per dose. Consult the product-specific label for precise volumetric dosing.
  • Tablets: Chewable tablets must be chewed completely before swallowing and should not be swallowed whole.

Important Considerations

Antacids can interact with the absorption of certain prescription medications. It is advisable to separate the time of taking Polycrol from other oral medications by 1 to 2 hours, or as directed by a healthcare professional. Consult your doctor before use if you have kidney disease, are pregnant, or are currently taking any prescription drugs.

Recent Clinical Evidence

Evidence Base for Acute Heartburn and Acid Indigestion

The primary research for the antacid components (Aluminum and Magnesium Hydroxides) involves Randomized Controlled Trials (RCTs) and various comparative studies. This research examined changes in hyperacidity symptoms in adults experiencing episodic heartburn and indigestion. Studies focused on outcomes such as patient-reported time to symptom reporting and the intensity of short-term reported symptom shifts. Trials documented measurements related to the timing of reported symptom change, often assessed over very short intervals. Long-term effects, however, are not fully established, as follow-up durations were limited to acute symptom observation.


Evidence Base for Bloating and Pressure from Entrapped Gas

Research for the antiflatulent component, Simethicone, was evaluated in the context of bloating and abdominal pressure. The evidence base includes systematic reviews and RCTs that monitored patient-reported outcomes describing perceived discomfort. Research examined symptom scores for fullness and pressure, and the monitoring of gas clearance rates. While findings described patterns related to the local management of gas, evidence quality varies across studies, and findings were mixed when evaluated in the context of more complex or chronic conditions. Comparative evidence is lacking for long-term or specific-cause related gas symptoms.


Research Gaps and Limitations

The existing research describes the evidence for acute, episodic symptom management, but limitations persist. Data for certain groups, such as pediatric patients or those with specific coexisting conditions, remain insufficient, and the results apply only to the populations studied. Overall, certainty remains low regarding observed patterns in chronic use or in specific subgroups, as follow-up durations were consistently limited across many trials.

Key Studies & References

  1. Aluminum Hydroxide, Magnesium Hydroxide, Simethicone Oral Suspension - DailyMed
  2. Over-the-counter (OTC) medicine - MedlinePlus Medical Encyclopedia

Frequently Asked Questions (FAQ)

Common questions about Polycrol (FAQ)

Q: Is Polycrol the same type of medicine as other common stomach remedies?

Official documents classify Polycrol as a combination medicine that serves as both an Antacid and an Antigas agent. This dual-action formulation is designed to address two types of digestive upset: acid neutralization and gas management. This distinction sets it apart from products that only contain a single active ingredient for acid or gas relief.

Q: How quickly should Polycrol start working after taking it?

The product is characterized as providing rapid, symptomatic relief. Official product information and studies on similar antacid agents document a typically quick onset of action after administration.

Q: Are there any major diet restrictions while using Polycrol?

For the general user population, no blanket diet restrictions are outlined in the official documentation. However, a specific constraint exists for patients with kidney impairment. For these individuals, the combination of the aluminum component with citrates (found in certain foods and juices) is not recommended, as per official documentation.

Q: Does Polycrol interact with common over-the-counter pain relievers?

Regulatory information indicates that the antacid components can alter the absorption of some oral medications. For example, the absorption of certain drugs like ibuprofen may be increased. Official guidelines describe the need to separate the administration of Polycrol from all other oral medicines, often by 1 to 2 hours, to mitigate the risk of altered absorption.

Q: What ingredients in Polycrol could potentially cause an allergic reaction?

Hypersensitivity, or an allergic reaction, to any component is listed as an absolute contraindication in official materials. This includes the active ingredients—Aluminum Hydroxide, Magnesium Hydroxide, and Simethicone—as well as any non-active ingredients (known as excipients) listed on the product label.

Q: What is the difference between Polycrol and medicines containing simethicone only?

Polycrol offers a dual mechanism of action, combining acid-neutralizing agents (antacids) with Simethicone, an anti-foaming agent. Simethicone alone is only designed to manage gas and bloating. Polycrol's combination formulation addresses both excess stomach acid and entrapped gas simultaneously.

Q: What are the signs that Polycrol may not be working for someone?

Official guidelines on the duration of use emphasize the importance of consulting a healthcare professional if symptoms persist or recur. This caution is stated because such patterns may be associated with an underlying condition requiring medical review.

Q: Does Polycrol contain aluminum, and if so, how much?

Yes, the product contains aluminum hydroxide, which is one of its active antacid ingredients. The precise amount of aluminum hydroxide in each dose is documented in the Active Ingredients/Strength section of the specific product label.

Q: What types of food are sometimes mentioned to interact with Polycrol?

The primary constraint is a potential interaction involving citrates, which are found in various foods, juices, and supplements. Official documentation indicates that the combination of citrates and the product’s aluminum component is a consideration for patients with known kidney impairment.

Q: Is there a difference in strength between the liquid and tablet forms of Polycrol?

The exact strength, meaning the amount of active ingredients delivered in a standard dose, can differ between the liquid suspension and the chewable tablet forms. Official product labels detail the specific concentration for each formulation in the Active Ingredients section.

Q: What should be done if someone accidentally takes too much Polycrol?

Official patient information states that immediate professional medical help should be sought if an accidental overdose is suspected. This includes contacting a certified Poison Control Center or emergency medical services.

Q: Does Polycrol contain any sugar or artificial sweeteners?

The full composition of the product, including whether it contains sugar or uses artificial sweeteners, is specified in the Inactive Ingredients section of the specific product label. It is important to note that formulations often vary, and sugar-free versions of the medicine are widely available.

Q: Is Polycrol known to cause any skin reactions or rashes?

Official documents note that hypersensitivity (allergic reaction) to any ingredient is a contraindication. Allergic reactions are a potential cause of skin changes or rashes.

Q: How long does the acid-neutralizing effect of Polycrol typically last?

The mechanism of Polycrol involves neutralizing existing stomach acid, which generally provides rapid, but short-acting, relief. The duration of this acid-neutralizing effect is typically documented to last for approximately one to three hours.

Q: What ingredients are listed as inactive in Polycrol?

Ingredients that are not pharmacologically active, such as flavorings, binders, colors, and preservatives, are referred to as inactive ingredients or excipients. These components are fully listed in the Inactive Ingredients section of the specific product label.

Q: What is the maximum frequency of use described in official information?

Official patient information specifies strict constraints on the maximum total daily intake. For example, the liquid suspension has a maximum limit of 60 mL in a 24-hour period. This maximum total amount is the constraint that limits the overall frequency of use.

Q: Does Polycrol interact with any prescribed blood pressure medications?

The official interaction profile identifies several classes of medications whose absorption may be altered by the antacid component. Because of this broad potential for interaction, a general warning is given in official materials to consult a doctor before use if taking any prescription drugs, which includes those for blood pressure.

How should Polycrol be stored and disposed of?

The storage and disposal of Polycrol (Aluminum Hydroxide, Magnesium Hydroxide, and Simethicone) must adhere to official label instructions to ensure product stability and household safety.

Storage Requirements

Condition Regulatory Statement
Temperature Store at Controlled Room Temperature (20 C to 25 C).
Handling Rule Protect from freezing and avoid excess heat and moisture.
Container Rule Keep the container tightly closed in its original packaging.
Child Safety Keep out of reach of children (a mandatory instruction for all over-the-counter products).

Disposal Instructions

Unused or expired medication should not be flushed down the toilet or poured into a sink, as this is prohibited by official guidelines. The preferred method for disposal is to take the product to a Drug Take-Back Program. If a take-back program is not available, the FDA's household trash disposal protocol should be followed: remove the medication from its container, mix it with an undesirable substance, seal it, and place it in the household trash.

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

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