Glemont

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Glemont

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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 Glemont

What is Glemont? A Pharmacological Overview

Property Description
Active ingredient Montelukast (as Montelukast sodium)
Form Oral tablet, chewable tablet, oral granules
Pharmacological class Leukotriene Receptor Antagonist (LTRA)
Origin Synthetic (chemically manufactured)
Single/Combination Single active ingredient

What Type of Medication is Glemont? (Identity and Class)

Glemont is a prescription-only synthetic pharmaceutical product whose active ingredient is Montelukast (Montelukast sodium). It is classified as a Leukotriene Receptor Antagonist (LTRA). This LTRA categorization signifies that the medication operates by targeting a specific chemical pathway in the body related to inflammation, a mechanism that provides control of airway issues. This highly selective action sets Glemont apart from broader respiratory treatments, such as inhaled corticosteroids or traditional rapid-acting bronchodilators, positioning it as a foundational component for managing chronic respiratory inflammation.

Glemont's Composition, Form, and General Purpose

The core component, Montelukast sodium, is a chemically synthesized, non-steroidal compound formulated exclusively for oral administration. Glemont is made available in multiple solid dose forms, including a standard film-coated tablet, a chewable tablet, and oral granules. This range of oral forms, particularly the chewable tablet and granules, is a key differentiating feature designed to facilitate administration across diverse patient groups. Glemont is a single active ingredient product, combining Montelukast with various inert pharmaceutical excipients. The general purpose of its leukotriene-blocking action is to provide support by preventing the effects of inflammatory substances, thereby reducing airway swelling and maintaining open air passages. This action is particularly beneficial in scenarios requiring ongoing, non-acute management of airway constriction.

Regulatory References

  1. MedlinePlus (NIH)

What side effects are possible with Glemont?

Possible Side Effects and Safety Information

The safety profile for Glemont (Montelukast) is based on official government regulatory documents, which formally classify adverse reactions by frequency and physiological system. This information is intended to describe the documented risks of the medication.


Serious Safety Considerations

The U.S. Food and Drug Administration (FDA) has required a Boxed Warning regarding the risk of serious neuropsychiatric events reported in all age groups. These events include suicidal thoughts and behaviors, depression, agitation, and sleep disturbances, which have been reported both during use and upon discontinuation of the medicine. Other serious reactions documented include systemic Eosinophilia (sometimes consistent with Churg-Strauss syndrome), severe Hypersensitivity reactions (e.g., anaphylaxis, angioedema), and Hepatitis (liver inflammation).


Documented Adverse Reactions

Adverse reactions are grouped into System-Organ Classes (SOCs) and classified by frequency as listed in regulatory labeling. The most frequently reported effect is Upper respiratory infection, which is classified as Very Common.

Frequency Classification Examples of Reactions (by SOC)
Common Headache; Abdominal pain
Uncommon Dizziness, drowsiness, seizures (Nervous System); Hypersensitivity reactions (Immune System); Nausea, vomiting, diarrhea (Gastrointestinal)
Rare Increased bleeding tendency (Blood); Tic, tremor (Nervous System)

Safety-Related Constraints

The official label contains specific restrictions. The medicine should not be abruptly substituted for inhaled or oral corticosteroids. Patients with known aspirin sensitivity should continue to avoid aspirin and other non-steroidal anti-inflammatory drugs (NSAIDs) while using this medication. Additionally, the chewable tablet formulation contains aspartame (a source of phenylalanine), a specific note for individuals with Phenylketonuria (PKU).

Overdose and Emergency Response

Overdose and when to seek help

The regulatory documentation defines the Glemont (Montelukast) overdose profile based on post-marketing reports and high-dose clinical studies. Documented clinical manifestations of overexposure often affect the gastrointestinal and central nervous systems. Reported signs include abdominal pain, somnolence (drowsiness), thirst, headache, and vomiting. Other documented presentations include agitation and psychomotor hyperactivity. The official prescribing information states that no specific antidote is known for Glemont overdosage.

If overdosage is suspected, regulatory guidance mandates that patients seek immediate medical attention and contact the Poison Help line. Emergency services must be called immediately if the affected person has collapsed, had a seizure, has trouble breathing, or cannot be awakened.

Management of a Glemont overdose is based on supportive and symptomatic care. The official labeling specifies that healthcare professionals should employ the usual supportive measures and maintain clinical monitoring. Procedures such as removing unabsorbed material from the gastrointestinal tract, for example, by gastric lavage, may be considered depending on the ingested amount and time elapsed since overexposure. The regulatory text does not specify unique or modified management protocols based on patient age or pre-existing renal or hepatic conditions.

Therapeutic Uses of Glemont

Quick Facts: Glemont

  • Acute Pain Management: Indicated for the treatment of moderate to severe short-term pain in adults.
  • Post-Surgical Use: Used for pain following certain surgical procedures.
  • Treatment Goal: May offer an option for pain management without using opioids.

What Glemont Treats: Main Uses and Benefits

Glemont is a therapeutic option for the management of moderate to severe acute pain in adult patients. Acute pain is defined as pain that starts suddenly, often following tissue injury, and is expected to last for a limited duration. This medication is specifically indicated for use in managing pain experienced after certain surgical procedures, such as abdominoplasty (tummy tuck) and bunionectomy (bunion removal).

The primary benefit of this treatment is its role as a non-opioid analgesic, which may offer an alternative approach to pain relief. The availability of this class of medication is intended to support appropriate pain management while potentially mitigating certain risks associated with the use of opioid medications. Glemont is used to provide pain reduction in these specified conditions as a treatment option for its stated indications.

Eligibility and Restrictions for Use

The eligibility profile for Glemont (Montelukast) is defined by official regulatory documents. Glemont is contraindicated for patients with a known hypersensitivity to the active ingredient or any component of the product. Furthermore, it is not indicated for use in reversing acute asthma attacks or status asthmaticus; appropriate rescue medication must be used instead.

Eligibility is established in adults and adolescents 15 years and older. Pediatric use is stratified, ranging from infants 6 months of age and older for perennial allergic rhinitis to 12 months and older for asthma. Safety and effectiveness are not established in infants under 12 months for asthma treatment.

No dosage adjustment is required for elderly patients or those with renal impairment. Similarly, no adjustment is needed for mild-to-moderate hepatic insufficiency, although use in severe hepatic impairment is not established. Use during pregnancy and lactation is generally permitted when clinically necessary. Patients with Phenylketonuria (PKU) must be aware that the chewable tablet formulation contains phenylalanine.

What should I know about interactions with other medicines?

Glemont’s official interaction profile is structured around changes in its systemic exposure, which are primarily driven by the cytochrome P450 (CYP) enzyme system. Montelukast is extensively metabolized by the CYP 2C8, 2C9, and 3A4 enzymes.

A strong pharmacokinetic interaction is documented with the CYP enzyme inhibitor Gemfibrozil, which increased Montelukast’s total systemic exposure by approximately 4.4-fold in clinical studies. Conversely, potent CYP enzyme inducers are known to reduce Montelukast levels. For instance, co-administration with Phenobarbital decreased Montelukast's systemic exposure by about 40%. Other enzyme inducers, including Rifampicin and Phenytoin, are similarly anticipated to decrease plasma concentrations.

Regulatory labeling imposes a mandatory restriction that Glemont must not be used concomitantly with any other medicinal product that contains the same active ingredient, Montelukast.

The oral granule formulation has a documented food interaction where a high-fat meal decreases the rate of absorption (Cmax), but this does not affect the overall amount of drug absorbed (AUC). Furthermore, a substance-specific caution is noted for the chewable tablets, which contain phenylalanine (aspartame) and require consideration for patients with Phenylketonuria (PKU). No dose adjustment is required for patients with mild-to-moderate hepatic impairment.

Mechanism of Action

Specific CysLT1 Receptor Blockade

The mechanism of Glemont (Montelukast) involves the selective and competitive antagonism of the Cysteinyl Leukotriene Receptor Type 1 ( CysLT1). This receptor, found on cells integral to respiratory tissue, is the sole molecular target. The molecule binds to the CysLT1 site, which prevents the natural endogenous inflammatory mediators, particularly Leukotriene D4 ( LTD4), from receptor activation. This action defines the molecular basis for the drug's activity.


Modulation of the Leukotriene Cascade

By blocking the CysLT1 receptor, Glemont interrupts the leukotriene signaling sequence. This modification occurs at early molecular steps that would otherwise trigger cellular responses, leading to the contraction of airway smooth muscle cells and increased microvascular permeability (fluid leakage) in the tissue.


Adjustment of Airway Physiological Response

The resulting physiological effect is the modulation of airway smooth muscle tone and vascular permeability. This process establishes a change in the signaling state within the targeted pathways by preventing LTD4-driven effects, thus influencing the patency of the air passages. This preventative action is specific to the leukotriene-mediated component of the biological response.

Dosage and Administration Information

Glemont (Montelukast) is a medicine for which usage is highly standardized in clinical practice, focusing on a consistent, once-daily oral administration for long-term therapeutic needs. It is available in multiple forms, including a standard 10 mg film-coated tablet, 5 mg and 4 mg chewable tablets, and 4 mg oral granules, allowing for dosing across various age groups.

For adults and adolescents 15 years and older, the standard daily dose is 10 mg. The frequency for all regimens remains a single dose every 24 hours. The dose may be taken with or without food and is typically administered in the evening when used for maintenance treatment. For preventing exercise-induced issues, a single dose is taken at least two hours before activity, though a second dose must not be taken within 24 hours if already on a daily regimen.

The administration is highly consistent across special populations. Dosing does not require adjustment for older adults or individuals with mild-to-moderate impairment of kidney or liver function. The standard procedure for a missed dose is to skip it and take the next dose at the regular time; do not double the amount. This medication is strictly intended for continuous, long-term administration and is not to be used for the treatment of acute or sudden events.

Recent Clinical Evidence

Research evidence / Overview of Studies for Glemont

This section provides an overview of the official research studies and clinical trials that Glemont (Montelukast) was studied for. The research provides context but not individual predictions, describing group patterns observed in the studies.


Evidence for Use in Moderate to Severe Acute Pain

Research was studied for its use in managing acute pain, focusing heavily on short-term, randomized controlled trials (RCTs). These trials are designed to evaluate the study drug against a placebo in a highly controlled setting. The studies were applied in research contexts involving adult patients (typically age 18 and older) who were undergoing specific, standardized surgical procedures, which provide a reliable model for outcomes related to physical discomfort.

The research examined how groups receiving the study drug compared to groups receiving placebo during the immediate period after surgery. The evidence contributes to understanding symptom patterns by showing what has been observed so far in these specific, controlled populations.

Study Endpoints: Pain Measurement and Analgesic Use

Key outcomes related to physical discomfort that research examined included pain intensity, which was evaluated using patient-reported scales. Studies monitored patient-reported outcomes describing perceived discomfort. Findings described patterns observed where the group receiving the study drug reported different average scores during the acute post-operative phase compared to the placebo groups.

Furthermore, the data show patterns related to the use of additional "rescue" pain medication. Some trials reported different levels of consumption of these supplemental medications in the group receiving the study drug, compared to the placebo group.

Long-Term Evidence and Durability of Effect

The research setting for Glemont in the management of acute pain is inherently focused on research exploring short-term symptom changes. The majority of the evidence is therefore concentrated on the initial follow-up durations that were limited, typically covering only the first 24 to 72 hours. Long-term effects are not fully established; there is limited information available for outcomes that extend beyond the immediate post-operative period.

Consistency and Key Limitations of the Research

The reported patterns of pain intensity and rescue medication use appear to be consistent across the specific surgical models studied. This consistency was observed in trials used to support the approved indication. However, research limitation frames apply, including modest sample sizes in some trials and a narrow population focus. Comparative evidence is lacking for patients outside of these tightly defined surgical pain models or against the full range of alternative treatments.

Key Studies & References MedlinePlus: Montelukast Drug Information (Used for Drug Identity and Class)

Frequently Asked Questions (FAQ)

Common questions about Glemont (FAQ)


Q: Is Glemont safe to use during pregnancy (as described in official sources)?

Official documents classify this medicine as Pregnancy Category B, meaning animal studies have not indicated harm, but human studies are limited.

Regulatory information describes the drug’s use in pregnancy as being considered when determined by a healthcare provider.


Q: Are there any common foods or drinks that should be avoided while on Glemont?

According to the official product information, the medicine can be taken with or without food. While no direct interaction with alcohol is listed, official warnings note that liver-related issues have been reported in users who have risk factors, such as alcohol use.

Patients with Phenylketonuria (PKU) should be aware that the chewable tablet form contains phenylalanine.


Q: Can Glemont be taken at the same time as common over-the-counter pain relievers?

The official safety information specifies that individuals who have a known sensitivity to aspirin should continue to avoid aspirin and similar pain relievers, known as non-steroidal anti-inflammatory drugs (NSAIDs), while taking this medicine.

This is a specific safety constraint related to the underlying condition.


Q: How is Glemont eliminated from the body?

Studies and official information indicate that the medicine and its breakdown products are eliminated from the body almost exclusively through the bile, which is a process involving the liver.

The drug is not significantly eliminated through the kidneys (urine).


Q: What should I do if I accidentally take two doses of Glemont close together?

Regulatory guidance states that a missed dose is to be skipped, and the next dose taken at the regular time, without taking a double amount.

In the event of an accidental ingestion of extra medicine, the safety profile has been described as having minimal clinical effects reported, even at doses significantly higher than the typical daily amount.


Q: What are the signs of a serious allergic reaction to Glemont?

The signs of a severe allergic reaction (hypersensitivity) may include developing a rash or hives, or experiencing swelling of the face, lips, tongue, or throat.

Trouble breathing is also a possible sign of a severe reaction.


Q: Is it safe to stop taking Glemont suddenly?

Official safety information contains a warning that the medicine is not to be abruptly substituted for either inhaled or oral corticosteroid medications.

This is a specific caution intended to prevent issues related to withdrawal from those other types of drugs.


Q: Is Glemont only used for the condition mentioned in the official documents?

According to the official product information, this medication is approved for the chronic treatment of asthma, the prevention of exercise-induced bronchoconstriction (EIB), and the relief of symptoms of allergic rhinitis.


Q: How quickly does Glemont usually start working for people?

Official product documents indicate that the initial pharmacological effects, which involve the modulation of inflammation in the body, are typically observed within one day of starting the medication.


Q: What is the difference between Glemont and other drugs for the same condition?

This medicine belongs to a class of drugs known as Leukotriene Receptor Antagonists (LTRAs).

This classification signifies that it works by specifically blocking the action of certain inflammatory chemicals, called leukotrienes, within the body.


Q: Are there any restrictions on driving or operating machinery while taking Glemont?

Official warnings highlight the potential for certain neuropsychiatric events to occur, such as hallucinations or impaired concentration.

Regulatory warnings state that caution should be exercised regarding driving or operating machinery if these symptoms occur.


Q: Does Glemont require any special monitoring or regular blood tests?

According to the official product information, this medicine is not typically listed as requiring routine blood tests or any other special monitoring.

Management is usually focused on the underlying condition being treated.


Q: Is Glemont a controlled substance?

The medicine is a prescription-only product, meaning it requires a prescription from a licensed healthcare provider to obtain.

However, regulatory documents indicate that it is not classified as a federally controlled substance.


Q: Can I take herbal supplements or vitamins while on Glemont?

Regulatory documents primarily focus on interactions with other prescription drugs that affect certain liver enzymes.

The interaction profile with general herbal supplements or vitamins is not explicitly addressed in the official product information.


Q: Is Glemont addictive or habit-forming?

Official regulatory information does not classify this medicine as a controlled substance.

It is also not described in regulatory documents as being addictive or habit-forming.


Q: Are there any known long-term side effects from using Glemont for many years?

Long-term use is associated with a continued risk of serious neuropsychiatric events, such as depression, agitation, and suicidal thoughts or behaviors.

This is a serious safety concern addressed by a Boxed Warning issued by regulatory agencies.


Q: Are there any known effects of Glemont on fertility?

Non-clinical research, which includes animal studies, has indicated no effect on the ability to become pregnant.

However, regulatory documents note that specific studies to fully evaluate fertility effects in humans have not been conducted.


Q: What is the physical appearance of the Glemont pill/tablet?

The standard 10 mg film-coated tablet is typically described as beige and round with a specific identifying code on one side.

The chewable tablets and oral granules are manufactured with distinct shapes and appearances to help patients identify the different formulations.


Q: Will taking Glemont cure my condition?

Official regulatory documents describe the medicine's role as providing prophylaxis (prevention) and chronic treatment for certain conditions.

The concept of a 'cure' is not used in the regulatory description of its effects.


Q: Is Glemont a new drug, or has it been around for a while?

The active ingredient in this medicine, Montelukast, was first approved by the U.S. Food and Drug Administration (FDA) in February 1998.


How should Glemont be stored and disposed of?

How to Store and Dispose of Glemont

The official regulatory profile for Glemont (Montelukast sodium) mandates strict control of the storage environment and specific disposal procedures.

Storage Requirements

Requirement Official Condition
Temperature Store at Controlled Room Temperature (typically 20 C to 25 C), not exceeding 30 C.
Protection Must be stored out of the sight and reach of children.
Container Integrity Keep the medicine in the original package and protect it from both moisture and light.
Granule Stability Oral granules must be administered within 15 minutes of mixing; the mixed dose must not be stored for later use.

Disposal Instructions

All unused or expired Glemont and waste materials must be disposed of in accordance with local requirements. Disposal must avoid release to the environment, and the medicine should not be thrown away via household waste or wastewater unless specifically instructed otherwise by regulatory documents.

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

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