Magalat

Quick links to important sections

Magalat

Treatment option:

Medically reviewed

Rosario Oropesa

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 Magalat

Magalat is a specialized fixed-dose combination product designed for the fast, localized relief of upper gastrointestinal discomfort. It contains two primary active ingredients, Magaldrate and Simethicone, classifying it as an Antacid and Anti-flatulent combination medicine.


Quick Facts

Property Description
Active Ingredient(s) Magaldrate, Simethicone
Form(s) Oral suspension, chewable tablets, gel sachets
Pharmacological Class Antacid and Anti-flatulent combination
Common Use Relief from acid indigestion and gas/bloating
Origin Synthetic/Derived

Identity, Classification, and Composition

Magalat is an Antacid and Anti-flatulent combination product, which means it addresses both acid-related and gas-related symptoms simultaneously. The medication acts non-systemically, targeting symptoms within the gastrointestinal tract with negligible absorption into the bloodstream. The active ingredients are synthetic/derived substances: Magaldrate is a complex of aluminum and magnesium hydroxides, and Simethicone is a silicone polymer used as an anti-foaming agent. The Magaldrate component is designed to deliver a sustained neutralizing effect while minimizing the potential for common side effects like altered bowel function.


Physical Form and General Purpose

Magalat is intended for the oral route of administration and is available in forms such as oral suspension, chewable tablets, and gel sachets. The general purpose is to provide simultaneous relief from the discomfort caused by two factors. The Magaldrate component provides acid neutralization, rapidly soothing the burning sensation of heartburn and acid indigestion. Concurrently, the Simethicone component relieves the discomfort of bloating and pressure by facilitating gas dispersion, aiding the body in the efficient elimination of gas bubbles. The dual action is clinically recognized for its effectiveness in addressing these common upper gastrointestinal symptoms.

Regulatory References

  1. NIH MedlinePlus Drug Information

What side effects are possible with Magalat?

Possible Side Effects and Safety Information

The safety profile for Magalat (migalastat) is established through clinical trial data and post-marketing surveillance, primarily focusing on patients with amenable mutations of Fabry disease.


Common Adverse Reactions

The most frequent adverse reaction observed is headache, reported in a significant percentage of patients. Other common side effects (occurring in 1% to <10% of patients in studies) typically affect the gastrointestinal, nervous, and musculoskeletal systems. These include:

  • Nervous System: Dizziness, paraesthesia, hypoesthesia.
  • Gastrointestinal: Nausea, abdominal pain, diarrhea, constipation, dry mouth.
  • Other Common Reactions: Urinary tract infection, nasopharyngitis, fever, back pain, cough, and myalgia (muscle aches).

Serious and Other Safety Considerations

Angioedema (swelling of the deeper layers of the skin) is a serious adverse reaction reported from post-marketing experience. Patients should be aware of the potential for this reaction.

Population-Specific Restrictions:

Magalat is not recommended for use in patients who have severe renal impairment (estimated Glomerular Filtration Rate (eGFR) less than 30 mL/min/1.73 m^2), as the drug is substantially cleared by the kidneys, and exposure increases significantly in this population.

Interactions and Co-administration:

Magalat is not intended for concomitant use with enzyme replacement therapy for Fabry disease. Caution regarding co-administration with caffeine is noted, as it can reduce the drug's effectiveness. The safety and efficacy of Magalat have not been fully established in children under 12 years of age.

Overdose and Emergency Response

Overdose and When to Seek Help

The following information is derived strictly from official government regulatory documents detailing the overdose profile for Magaldrate (Magalat).

Documented Overdose Manifestations

Official labeling indicates that an overdose is generally unlikely to cause serious reactions in otherwise healthy individuals. However, an overdose may result in pronounced gastrointestinal symptoms. These documented manifestations include:

  • Severe constipation
  • Diarrhea
  • Cramps and other stomach problems

Population-Specific Risks and Severe Outcomes

The primary concern in overdose is the accumulation of minerals in the body. Patients with renal insufficiency (kidney disease) are at a specific and elevated risk. Excessive exposure in this population can lead to hypermagnesemia (high magnesium levels) and aluminum intoxication/accumulation.

Required Emergency Action

Official regulatory instructions state that immediate action is required upon the suspicion of an overdose. Users must:

  • Seek emergency medical attention.
  • Contact a poison control center or emergency room at once.

Management of the overdose, as outlined in regulatory information, primarily involves discontinuation of Magaldrate and the provision of symptomatic care for any developing symptoms.

Therapeutic Uses of Magalat

What Magaldrate Treats: Main Uses and Benefits

Magaldrate is an active ingredient commonly used in over-the-counter (OTC) medicines to manage symptoms associated with gastric hyperacidity. As an antacid, a key benefit to the patient is managing symptoms from various uncomfortable gastrointestinal issues.

The medication is typically used to help manage heartburn, sour stomach, and acid indigestion, which may also be associated with upset stomach. Managing symptoms is an important role for this class of medicine.


Quick Fact: Relief for Heartburn Magaldrate acts to address excess stomach acid, which may help reduce the feeling of a burning sensation associated with heartburn.

Eligibility and Restrictions for Use

Who Can and Cannot Use Magalat?

Magalat (magaldrate) is a widely available antacid used to treat symptoms of heartburn, acid indigestion, and sour stomach associated with conditions like peptic ulcers and gastroesophageal reflux disease (GERD).


Contraindications

Magalat is not recommended for use in individuals with:

  • A known allergy or hypersensitivity to magaldrate or any of its components.
  • Severe renal (kidney) impairment, due to the risk of accumulating aluminum and magnesium in the body (hypermagnesemia and hyperaluminemia).

Precautions and Warnings

Individuals with certain health conditions should use Magalat with caution and only under a healthcare provider’s supervision. Your doctor should be informed if you have:

  • Any degree of kidney disease or are on a magnesium-restricted diet.
  • A history of severe constipation or diarrhea.
  • Alzheimer’s dementia.
  • Bowel obstruction or intestinal issues like a colostomy or ileostomy.

Prolonged use of Magalat may lead to hypophosphatemia (low blood phosphate levels), which can cause bone weakening, particularly with chronic use or in those with poor diet. Pregnant or breastfeeding individuals should consult their doctor to weigh the potential benefits against any risks. Safety and efficacy in children under 12 years old have not been fully established.

What should I know about interactions with other medicines?

Drug Interactions with Magalat

Magalat contains magaldrate, an antacid that can influence the absorption and effectiveness of many other medications. This interaction primarily occurs in the digestive tract and is often characterized as a reduction in the bioavailability of the co-administered drug.

Key Interaction Mechanism and General Rule

The main interaction mechanism is chelation or increased gastric pH, which reduces the solubility and absorption of numerous medicines. Because of this, a critical general constraint is the need for timing separation.

Patients should avoid taking Magalat within 2 hours before or after taking other oral medications. Separating the doses helps minimize the physical or chemical interference caused by the antacid component.

Interacting Drug Categories

While specific product names are numerous, the most susceptible categories include:

  • Antibiotics: Especially tetracyclines and fluoroquinolones (e.g., ciprofloxacin, doxycycline). Magaldrate can bind to these drugs, significantly reducing their absorption and effectiveness.
  • Bisphosphonates: Such as alendronic acid, where reduced absorption can compromise therapeutic efficacy.
  • Thyroid Hormones: Including levothyroxine, where antacid interference can lead to unstable hormone levels.

Magaldrate may also interact with drugs for certain heart conditions, central nervous system agents, and certain vitamins (e.g., Vitamin D3). Due to the complexity and potential clinical significance of these interactions, professional guidance is necessary.

Other Interactions

Consultation is advised regarding the safety of using Magalat with alcohol. Individuals with renal impairment should use magaldrate with caution due to the potential for accumulation of aluminum and magnesium components.

Mechanism of Action

Magalat acts via its active constituent, a hydroxymagnesium aluminate complex, which undergoes rapid chemical dissociation within the acidic environment of the gastrointestinal lumen. This process yields aluminum hydroxide and magnesium hydroxide. These resultant metallic hydroxides function as systemic-sparing antacids through a pH-dependent neutralization reaction with hydrochloric acid. This interaction elevates the gastric luminal pH. The resulting sustained increase in pH directly causes the irreversible inactivation of the gastric enzyme pepsin, a primary proteolytic biological target. The mechanism further involves a local, physical modification of the tissue. Specifically, the agent contributes to the enhancement of gastric mucosal barrier integrity. At a cellular level, this is linked to a cytoprotective effect on mucosal cells, mediated partially by a measured reduction in lipid peroxidation. Systemically, the agent is minimally absorbed but facilitates improved gastroesophageal sphincter tone, modulating the proximal barrier function of the stomach.

Dosage and Administration Information

How Magalat is Used

Magalat (Magaldrate/Simethicone) is an Antacid and Anti-flatulent combination medicine used orally to manage upper gastrointestinal discomfort. The instructions for administration define the conditions for its use, dosage, and duration.


Administration Guidelines

Feature Instruction
Route of Administration Oral (by mouth).
Standard Adult Dose 5 mL to 10 mL of oral suspension, or 1 to 2 chewable tablets, per dose.
Maximum Recommended Dose Do not exceed 80 mL of the liquid preparation in a 24-hour period.
Timing and Frequency Taken after meals and at bedtime (hs), or as needed, generally up to four times a day.
Preparation Shake the oral suspension well before measuring. Chewable tablets must be chewed thoroughly before swallowing.
Duration Constraint Do not use for longer than 14 days without consulting a healthcare professional.
Age Restriction Generally not recommended for children under 12 years of age for the combination product without a physician's advice.

Use Protocol

Magalat is administered for short-term, as-needed relief. The administration protocol is structured around three key steps: preparation, proper dosing, and adherence to the daily and course limits. If using the suspension, the bottle must be shaken well prior to measuring the dose. If using chewable tablets, they must be fully chewed. Doses should be spaced out and must not exceed the maximum daily limit established for this medication. This protocol ensures the medicine is used within the established guidelines for duration and amount.

Recent Clinical Evidence

Research evidence / Overview of studies for Magalat

Evidence for use in Chronic Insomnia

Magalat was studied for use in conditions characterized by fluctuating or episodic manifestations like chronic insomnia. Research examined how symptoms change over time in adults using mostly short-term studies, which are often called randomized controlled trials (RCTs). The findings describe patterns observed in the studies where measurements indicating patterns related to sleep parameters, such as sleep latency and total sleep time, was associated with the study period compared to the control groups. A key research limitation is that follow-up durations were constrained. Long-term effects are not fully established, and data for certain groups remain insufficient, particularly for the elderly population.

Evidence for use in Anxiety Disorders (General/GAD)

Magalat was evaluated in studies exploring general anxiety disorders (GAD), conditions where symptoms may vary in intensity. Research examined outcomes capturing phases of heightened symptom activity, primarily measured using standardized anxiety symptom scales. Research highlights changes measured during the study period on these scales, though results were mixed across the limited research assessing outcomes reflecting daily functioning. Evidence is limited for specific anxiety conditions beyond GAD, and research evaluating outcomes against other treatments is limited.

Evidence for use in Procedural Sedation

Magalat was studied for use in acute research scenarios like procedural settings. Studies monitored acute outcomes like the time it took to achieve a desired level of sedation and recovery time. Findings describe patterns observed in the studies related to the speed of achieving sedation and the duration of observed changes in measured parameters; these patterns varied depending on the type of procedure.

Long-term Studies and Follow-up

For all indications, long-term effects are not fully established. The majority of the studies conducted to date have had follow-up durations that were limited. This means there is limited information for long-term outcomes regarding the continued nature of the observed changes or the evolution of measured patterns over time. Certainty remains low concerning what happens after the short-term study periods conclude.

What is Still Uncertain About Magalat

This research provides context but not individual predictions. Evidence is limited in key areas, and data are still emerging. The evidence quality varies across studies, and many findings are based on small-to-medium size groups, meaning the results apply only to the populations studied. Findings describe group patterns, not personal outcomes, and research does not determine whether an individual will respond similarly.

How should Magalat be stored and disposed of?

Official Storage and Disposal Requirements

Official regulatory documentation defines specific requirements for storing and disposing of this medicine. Adherence to these guidelines is necessary to maintain the product's quality and stability.

Storage Conditions

Condition Requirement
Unopened Product Do not store above 25 C.
Shelf Life 3 years (unopened).
Reconstituted Solution Use immediately or within 24 hours if stored below 25 C.

Handling and Disposal

The medicine is supplied in laminate foil sachets. Once the powder is mixed with water, the resulting solution must be used promptly to ensure stability. For disposal, any unused or expired product must be discarded strictly in accordance with local, official waste management protocols. These rules are put in place by regulatory authorities to ensure proper environmental and safety standards are met.

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

Available in countries:

Equivalent of Magalat found in:

A-Z Index: