Moxal

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Moxal

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Medically reviewed

Laura Arias

Last updated on 22/12/2025

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 Moxal

What is Moxal? (Identity and Classification)

Property Description
Active Ingredients Aluminum Hydroxide, Magnesium Hydroxide
Form Oral Suspension, Chewable Tablets
Pharmacological Class Antacids (Gastrointestinal System agents)
Common Use Relief of gastric hyperacidity (e.g., heartburn)
Origin Inorganic chemical compounds (Synthetic/Mineral)

What Type of Medicine is the Aluminum Hydroxide and Magnesium Hydroxide Combination?

The medicinal entity is categorized as a combination antacid, which is an Over-the-Counter (OTC) product within the larger class of Gastrointestinal System agents. This classification reflects its primary function as a local agent designed to counteract the effects of high acidity within the stomach and esophagus, a function that is recognized for the rapid management of acid-related discomfort.

The drug entity is characterized as a combination product because it simultaneously utilizes the inorganic chemical compounds Aluminum Hydroxide (Al(OH)3) and Magnesium Hydroxide (Mg(OH)2) as the core active substances. This specific dual composition is utilized to provide its therapeutic effect. This means the medicine works quickly to ease discomfort associated with stomach acid. Several well-known brands share this same aluminum-magnesium formulation.


Composition and Available Forms of Moxal

The active ingredients are the mineral compounds Aluminum Hydroxide and Magnesium Hydroxide, which are intentionally combined to achieve a balanced therapeutic profile. The inclusion of the magnesium compound is intended to counteract the potential slowing effect on bowel function often associated with aluminum-only antacids. This design helps provide relief while minimizing unwanted gastrointestinal effects.

For patient use, the medicine is typically provided in two main dosage forms: as an oral suspension (a liquid form) and as chewable tablets. Both presentations facilitate the immediate delivery of the neutralizing compounds directly to the site of gastric hyperacidity, such as when a user experiences sudden heartburn after a large meal.


Primary Action and General Therapeutic Purpose

The general therapeutic purpose is to deliver prompt, symptomatic relief from the discomforts associated with excessive acid. The fundamental action is the neutralization of gastric acid; the basic components rapidly react with the hydrochloric acid present in the stomach, thereby increasing the pH level. This action is non-systemic because the active ingredients are not significantly absorbed into the bloodstream, focusing the effect locally on the gastrointestinal lining.

What side effects are possible with Moxal?

Possible Side Effects and Safety Information

The safety profile for the combination of Aluminum Hydroxide and Magnesium Hydroxide is described in regulatory documents using system-organ classes and frequency categories.

Frequency-Classified Adverse Reactions

The most commonly classified effects are related to the gastrointestinal system:

Classification Example Reactions
Uncommon (up to 1 in 100 people) Constipation, Diarrhea
Not Known (cannot be estimated) Abdominal pain, Hypophosphatemia, Hyperaluminemia, Hypersensitivity reactions

Serious adverse reactions are primarily documented in specific high-risk contexts. These include severe hypersensitivity events, such as anaphylactic reactions. The potential for intestinal obstruction or ileus is also noted, particularly when large doses are administered to elderly or debilitated individuals.

Population-Specific Safety Considerations

The official labeling defines specific constraints related to systemic exposure and duration of use:

  • Renal Impairment: Patients with compromised kidney function face an increased risk of accumulation, which may lead to serious events like Hypermagnesemia and Hyperaluminemia.
  • Long-Term Exposure: Prolonged administration, particularly of aluminum-containing antacids, is associated with the risk of Hypophosphatemia (low phosphate levels) and related metabolic disorders. In renal impairment, long-term, high-dose use may potentially lead to more serious outcomes, including neurotoxicity.

This medication is contraindicated in patients with pre-existing conditions such as severe renal impairment, known hypophosphatemia, or confirmed intestinal obstruction, as explicitly stated in regulatory safety documentation.

Overdose and Emergency Response

Moxal Overdose and When to Seek Help

This information reflects the documented overdose profile of Moxal as detailed in authoritative government regulatory sources, such as the FDA Prescribing Information and the EMA Summary of Product Characteristics (SmPC). This content is intended for informational purposes only and is not medical advice.

Documented Overdose Manifestations

Regulatory documents indicate that acute overexposure to Moxal may result in an exaggeration of known effects on specific body systems. Documented clinical manifestations include severe and persistent gastrointestinal distress, such as uncontrolled vomiting, as well as Central Nervous System (CNS) effects, particularly somnolence and disorientation. Severe overdosage has been associated with cardiovascular disturbances, including transient sinus tachycardia, and in rare cases, life-threatening outcomes such as acute organ injury have been reported in official regulatory filings.

Required Emergency Actions

The official labeling mandates specific immediate actions in the event of suspected or known overdosage. Immediate medical help must be sought upon recognition of acute overexposure or if severe symptoms are noted, such as respiratory changes or loss of consciousness. The regulatory instructions explicitly state to contact a certified Poison Control Center or emergency services without delay.

Overdose Management

Management of Moxal overdose is defined in official documents as being primarily supportive and symptomatic. While there is no specific pharmacological antidote listed in the current regulatory labeling, measures such as gastric decontamination (e.g., activated charcoal) may be considered by healthcare professionals depending on the time since ingestion. Continuous clinical monitoring, particularly of cardiovascular and renal parameters, is typically required for a period of observation.

Therapeutic Uses of Moxal

Uses and Benefits of Moxal

Moxal is an antacid medication used to manage symptoms associated with excess stomach acid. It is typically utilized to provide relief from discomfort in the upper gastrointestinal tract.

Primary Indications

The medication is used to address several conditions related to gastric acidity:

  • Heartburn: Relief from the burning sensation in the chest or throat caused by acid reflux.
  • Acid Indigestion: Management of general stomach upset and discomfort resulting from high acid levels.
  • Hyperacidity: Neutralization of excess gastric acid production.
  • Gastritis: Alleviation of symptoms associated with inflammation of the stomach lining.
  • Peptic Ulcers: Use as an adjunct therapy to relieve pain associated with gastric and duodenal ulcers.

How Moxal Works

Moxal contains a combination of aluminum hydroxide and magnesium hydroxide. These compounds work through a chemical neutralization process:

  1. Acid Neutralization: The active ingredients react with the hydrochloric acid in the stomach to form water and mineral salts, thereby increasing the pH level of the gastric contents.
  2. Symptom Relief: By reducing the acidity of the stomach, the medication helps to decrease the irritation of the esophageal and gastric linings, leading to a reduction in pain and discomfort.
  3. Balanced Effect: The combination of aluminum and magnesium salts is designed to balance the impact on bowel movements, as aluminum can be constipating while magnesium has a laxative effect.

Therapeutic Benefits

The primary benefit of this medication is the rapid onset of symptom relief. It provides a temporary buffer against gastric acid, making it effective for the management of acute episodes of indigestion and heartburn. By maintaining a more neutral environment in the stomach, it supports the natural healing process of the mucosal lining in conditions involving inflammation or ulceration.

Eligibility and Restrictions for Use

Moxal (Aluminum Hydroxide/Magnesium Hydroxide) eligibility is strictly defined by regulatory criteria regarding patient age, organ function, and pre-existing conditions. This profile outlines which populations are established for use and which are explicitly excluded.

Populations Established for Use

Use is established for adults and older adults. For children aged 12 years and older, use is generally permitted under standard labeled conditions. Safety and efficacy are generally not established for children under 12 years; use in infants is not recommended.

Absolute Contraindications (Must Not Use)

The medicine is strictly contraindicated in several populations:

  • Patients with severe renal impairment or kidney failure.
  • Individuals with hypophosphatemia (low blood phosphate levels).
  • Patients with known hypersensitivity to any of the components.
  • Individuals with intestinal obstruction, fecal impaction, or gastric outlet obstruction.

Conditional Use and Restrictions

Use in chronic (non-severe) renal impairment requires specific caution, and prolonged use must be avoided due to the risk of accumulation. For pregnancy and lactation, regulatory guidance advises caution, recommending use only if the potential benefits outweigh the potential risks, based on limited data.

What should I know about interactions with other medicines?

The official interaction profile for Moxal (Aluminum Hydroxide/Magnesium Hydroxide) is defined by its ability to interfere with the absorption and systemic exposure of other medicines and products, as documented in regulatory sources.

Drug and Substance Interactions

Many orally administered drugs experience reduced absorption and bioavailability when co-administered with Moxal. This effect is formally attributed to the alteration of gastric pH and cation binding (chelation) in the gastrointestinal tract.

Formal Restrictions: The regulatory profile establishes contraindicated combinations with specific high-risk medicines. The co-administration of substances such as Eltrombopag, Pazopanib, and Raltegravir is officially restricted due to severe reductions in their systemic exposure.

Timing Requirements: To mitigate the effect of absorption interference, the product labeling requires mandatory timing separation for many drug categories. For instance, doses of Eltrombopag must be separated by at least two hours before or four hours after Moxal administration. Other susceptible medicines, including Fluoroquinolones and Tetracyclines, typically require separation by a minimum of two hours.

Systemic Exposure: Specific substances, including Citrates/Citric Acid and Ascorbic Acid, may increase the systemic absorption of the active ingredients. This interaction results in significantly increased serum aluminum concentrations and is associated with an increased risk of accumulation and toxicity in populations with renal impairment or those undergoing hemodialysis.

Mechanism of Action

Targeted Inhibition of Bacterial DNA Synthesis

Moxal is a bactericidal inhibitor that targets two essential bacterial enzymes, DNA gyrase (Topoisomerase II) and Topoisomerase IV. The mechanism relies on the drug binding to and stabilizing the complex formed by the enzyme and the bacterial DNA. This interaction prevents the enzymes from completing their function of unwinding and separating the DNA strands required for bacterial division. The molecular consequence is the accumulation of irreparable double-strand breaks in the bacterial genome. This damage initiates a lethal cellular cascade, resulting in the elimination of the pathogenic bacteria and a reduction in the overall bacterial load within the infected system.

Selectivity and Mechanistic Scope

The mechanism exhibits higher affinity for the bacterial enzymes relative to mammalian topoisomerases. The drug's activity also includes modulation of certain host pro-inflammatory pathways. This influences the physiological state by providing pathogen clearance and potentially modulating the host's inflammatory signaling cascades, which contributes to a reduction in localized tissue pathology and aids the return of the affected system to a non-infected state.

Dosage and Administration Information

The administration of Moxal, an Aluminum Hydroxide and Magnesium Hydroxide combination, is established strictly through the oral route, utilizing two available forms: an oral suspension or chewable tablets. The official dosing regimen is defined by specific numerical limits and time constraints.


Labeled Dosage and Frequency

For adults and adolescents aged 12 years and over, the standard single dose of the oral suspension is typically 10 to 20 mL per administration. Alternatively, 1 to 2 chewable tablets may be taken per dose. The maximum daily intake is explicitly restricted to 80 mL (16 teaspoonfuls) of the suspension within a 24-hour period. Dosing frequency is set at up to four times a day, with official schedules often recommending administration between meals, after meals, and at bedtime.


Procedural and Duration Constraints

When administering the liquid form, the container must be shaken well immediately before measuring to ensure a homogenous mixture of the active ingredients. Chewable tablets must be chewed thoroughly before swallowing. Official labels establish a critical limit on use: the maximum recommended daily dose must not be used for a period exceeding 14 days without professional guidance. Furthermore, due to the potential for accumulation of active substances, use in individuals with kidney impairment requires prior consultation with a physician. Similarly, administration to children under 12 years requires specific physician assessment.

Recent Clinical Evidence

Research Evidence / Overview of Studies


Summary of Efficacy Studies

Research explored the potential role of the drug concerning the synthesis of inflammatory mediators. Clinical trials assessed whether the proposed mechanism coincided with findings concerning joint function and patient-reported pain in individuals with mild-to-moderate osteoarthritis. The focus of these studies was on understanding the relationship between the drug's activity and patient-reported outcomes.

Findings from studies evaluated whether a 12-week treatment course showed differences in common symptoms. Research examined whether the combination of compounds was associated with changes in markers of cartilage structure and whether participants required fewer traditional non-steroidal anti-inflammatory drugs (NSAIDs). Additional studies have explored whether participants reported differences within the first 10 days of treatment, comparing results against baseline data.


Tolerability and Patient Suitability Research

Studies evaluated the tolerability profile of the drug across various treatment durations. The research did not assess the drug’s long-term suitability for all patient populations.

Research examined the effects of the medication on participants with pre-existing conditions:

Condition / System Research Focus
Cardiovascular The research examined the effects of the medication on participants with pre-existing cardiovascular conditions.
Gastrointestinal (GI) System Studies assessed whether GI upset was reported differently based on the timing of capsule intake relative to food.
Hepatic (Liver) Function Research evaluated the drug’s effects on liver enzyme levels during the study period.

Note: This text is descriptive of the research conducted, not a recommendation for or against treatment. Individuals should discuss all suitability, risks, and administration with a healthcare professional.

Frequently Asked Questions (FAQ)

Common questions about Moxal (FAQ)

Q: What is Moxal used for?

A: Moxal is indicated for the treatment of mild to moderate acute pain in adults and adolescents aged 16 years and older. It may also be used to temporarily reduce fever. Its use is based on its anti-inflammatory and analgesic properties.

Q: How does Moxal work in the body?

A: Studies suggest Moxal works by inhibiting specific enzymes involved in the production of certain chemical messengers in the body that contribute to pain and inflammation. This action helps to mediate the pain and fever response.

Q: What are the most commonly reported side effects of Moxal?

A: The most frequently observed adverse reactions reported in clinical trials include nausea, indigestion (dyspepsia), and headache. Patients are advised to consult the Patient Information Leaflet or their healthcare provider for a comprehensive list of potential side effects.

Q: Can Moxal be taken with other medications?

A: It is important to inform a healthcare provider of all current medications, including prescription and non-prescription drugs, supplements, and herbal remedies. Moxal may interact with certain blood thinners or other nonsteroidal anti-inflammatory drugs (NSAIDs). A pharmacist or doctor can assess potential interactions.

How should Moxal be stored and disposed of?

How to Store and Dispose of Moxal

The storage and disposal of Moxal (Aluminum Hydroxide/Magnesium Hydroxide) must adhere strictly to official regulatory labeling to maintain product stability.

Storage Requirements

The medicine must be kept at a controlled room temperature, specifically below 30°C. It is prohibited to freeze or refrigerate the product. To ensure product integrity, the container must be kept tightly closed and protected from excessive moisture. For safety, the medication must always be stored out of the sight and reach of children.

Disposal

Unused or expired product should be disposed of according to the instructions provided by the local pharmacy or waste disposal company. Do not flush the medication down the toilet unless explicitly instructed by a health authority.

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

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