Montiget

Quick links to important sections

Medically reviewed

Marina Burgos

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 Montiget

What is Montiget? (Montelukast Sodium)

Montiget is a pharmaceutical product containing the active ingredient Montelukast sodium, a synthetic medicine used as a daily preventative treatment for chronic respiratory issues. It belongs to a specialized class of drugs that target specific inflammatory pathways in the lungs and airways.

Property Description
Active ingredient Montelukast sodium
Form Oral dosage (Film-coated tablet, chewable tablet, oral granules)
Pharmacological class Leukotriene Receptor Antagonist (LTRA)
Therapeutic status Prescription-only medicine (Rx)
Target age group Pediatric patients (6 months and older) and adults

What Type of Medicine is Montiget?

Montiget is a prescription-only medication whose active component, Montelukast sodium, is classified as a Leukotriene Receptor Antagonist (LTRA). This classification means the drug's primary function is to block the actions of inflammatory chemicals called leukotrienes, which are naturally released by the body. This synthetic compound is clinically recognized for its role in providing maintenance therapy for chronic respiratory conditions, rather than being used for the immediate relief of acute symptoms.


Composition and Available Forms

The therapeutic action of Montiget comes entirely from the single active ingredient, Montelukast sodium. This medicine is specifically formulated to be versatile for various age groups, offering three main oral dosage forms: the standard film-coated tablet, a chewable tablet, and oral granules in sachets. The availability of chewable tablets and granules is a key feature focused on ensuring compliance and ease of administration for pediatric patients, where standard swallowing may be challenging.


General Purpose of LTRA Therapy

By acting as a selective antagonist, Montelukast interrupts the inflammatory signals (leukotrienes) that cause swelling and muscle contraction in the bronchial tubes. The overarching purpose of Montiget is to serve as a prophylactic agent for the long-term management of chronic inflammation. This mechanism provides foundational support by reducing the underlying hypersensitivity of the airways, which is the key goal of maintenance therapy for improving daily respiratory function.

What side effects are possible with Montiget?

Possible side effects and safety information

Montiget (Montelukast sodium) has an official safety profile based on clinical trial and post-marketing data, classifying adverse reactions according to frequency and physiological system involvement. The documented effects are organized into System-Organ Classes (SOCs) such as Nervous System Disorders, Gastrointestinal Disorders, and Psychiatric Disorders.

Frequency-Classified Adverse Reactions

Adverse reactions are formally categorized based on their documented incidence:

  • Very Common: Upper respiratory infection.
  • Common: Headache, abdominal pain, diarrhea, nausea, vomiting, pyrexia (fever).
  • Uncommon: Hypersensitivity reactions, dizziness, insomnia, agitation, and bruising.
  • Rare: Increased bleeding tendency, palpitations, angioedema, and suicidal thinking and behavior.
  • Very Rare: Hepatitis (including cholestatic, hepatocellular, and mixed-pattern liver injury), systemic eosinophilic conditions (sometimes consistent with Churg-Strauss syndrome), and hallucinations.

Serious Safety Considerations

The most serious documented safety consideration relates to Neuropsychiatric Events, including aggressive behavior, depression, and suicidal thoughts and actions, which have been reported across all age groups. These reactions may occur during treatment or, in some cases, after the medicine has been discontinued. The medication is also not indicated for use in the reversal of acute asthma attacks or status asthmaticus; it is strictly a maintenance treatment.

Population-Specific Notes

The chewable tablet formulation contains aspartame, a source of phenylalanine, noted as a safety constraint for patients with phenylketonuria (PKU). Use is also contraindicated in individuals with known hypersensitivity to Montelukast sodium or in cases of severe hepatic impairment.

Overdose and Emergency Response

Any suspected overdose involving Montiget (Montelukast sodium) requires that an individual seek immediate medical attention or contact a poison control center.

The official guidance mandates urgent help, particularly if the affected person has collapsed, had a seizure, has trouble breathing, or cannot be awakened. Overdose is generally not associated with serious adverse outcomes, but monitoring is required by regulatory protocols.

Documented Overdose Manifestations

Clinical signs reported in overdose cases are primarily consistent with the drug’s known adverse event profile, affecting the Gastrointestinal and Central Nervous Systems. Manifestations reported across adults, adolescents, and pediatric patients include:

  • Gastrointestinal Effects: Abdominal pain, nausea, and vomiting.
  • Neurological Effects: Somnolence (drowsiness), headache, restlessness, and psychomotor hyperactivity (agitation). Thirst and mydriasis have also been reported in pediatric cases.

Official Management Protocol

No specific antidote is known for Montelukast sodium overdose. Therefore, the management strategy is strictly symptomatic and supportive treatment. Official procedures state that activated charcoal may be considered to reduce systemic absorption. Clinical status monitoring and hospital observation may be necessary following significant exposure, regardless of initial symptom severity.

Therapeutic Uses of Montiget

What Montiget Treats: Main Uses and Benefits

Montiget is generally used as a daily maintenance therapy to address symptoms related to inflammatory or irritative states in the airways. It is commonly used to help with recurring manifestations such as wheezing, chest tightness, and persistent coughing. This chronic treatment provides support that helps ease the overall symptom burden of asthma. It is relevant in conditions characterized by periods of heightened symptoms for prophylactic and long-term care, and may assist with maintaining functional stability during symptomatic periods.

The medication is applied across domains where additional symptomatic support is needed, including the long-term control of persistent asthma, symptomatic relief for seasonal and perennial allergic rhinitis, and the prevention of exercise-induced breathing difficulties. It is used for managing symptomatic relief in allergic rhinitis, where groups of symptoms, including persistent nasal congestion, runny nose, and frequent sneezing, contribute to improved comfort during symptomatic periods.

Quick Fact: Relief for Nasal Congestion and Chronic Wheezing

Montiget provides a prophylactic benefit in clinical settings where physical exertion leads to the episodic onset of breathing difficulties, supports patients during difficult episodes by easing the symptom load and assisting with maintaining functional stability.

Eligibility and Restrictions for Use

The eligibility profile for Montiget is strictly defined by regulatory criteria concerning patient age, physiological status, and pre-existing conditions.

Contraindicated Populations

Montiget is contraindicated for any patient with a known hypersensitivity to the active substance, Montelukast sodium, or to any of the product's excipients. Use is also officially prohibited for some formulations in individuals with rare hereditary problems, such as galactose intolerance.

Age-Specific Authorization

The minimum age for use varies by condition. Eligibility for perennial allergic rhinitis begins at 6 months of age, and eligibility for chronic asthma starts at 12 months of age. Safety and effectiveness are not established for infants younger than 6 months for any use.

Condition-Based Eligibility and Restrictions

Patients with renal insufficiency or mild-to-moderate hepatic impairment are generally eligible, as regulatory documents state no dosage adjustment is necessary. However, eligibility is not established for patients with severe hepatic impairment due to a lack of available clinical data.

Pregnancy and Lactation Status

Use during pregnancy and lactation is highly restricted, and is only permitted if the prescribing professional considers it clearly essential, reflecting limited data in these populations. Additionally, Montiget must not be used to treat acute asthma attacks.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents describe a set of clinically relevant interactions for Montiget (montelukast) primarily linked to the drug's metabolism by Cytochrome P450 (CYP) enzymes, specifically CYP3A4, CYP2C8, and CYP2C9.

Product Class or Specific Medicine Interaction Classification Practical Implication
Potent CYP Enzyme Inducers (e.g., Rifampicin, Phenytoin, Phenobarbital) Monitor Closely Decreased Montelukast plasma concentration and potential loss of efficacy. Clinical monitoring is recommended, particularly in children.
Potent CYP2C8 Inhibitors (e.g., Gemfibrozil) Monitor Closely Significant increase in Montelukast systemic exposure is expected, requiring careful clinical monitoring.
Aspirin and NSAIDs Restriction/Avoidance Montelukast does not block the bronchoconstrictor response to aspirin or other Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) in patients with aspirin-sensitive asthma; these patients must continue to avoid these agents.

Montelukast at its recommended clinical dose was found not to have clinically important effects on the pharmacokinetics of the following: Theophylline, Warfarin, Digoxin, Prednisone, Prednisolone, and Oral Contraceptives (norethindrone/ethinyl estradiol). Patients should not abruptly substitute this medicine for inhaled or oral corticosteroids.

Mechanism of Action

How Montiget Works

Selective Blockade of the CysLT1 Receptor

Montiget's active molecule, montelukast, functions as a highly selective antagonist at the Cysteinyl Leukotriene type-1 (CysLT1) receptor. By binding to this site, the drug prevents the activation of this receptor by Leukotriene D4 (LTD4), thereby modulating the activity of leukotriene mediators within the eicosanoid signaling pathway.


Inhibition of Airway Smooth Muscle Contraction and Vascular Permeability

The blockade of the leukotriene signal directly suppresses the physiological command for both airway smooth muscle contraction and increased vascular permeability in the bronchial tubes. This action modulates the physiological responses mediated by leukotrienes, resulting in the inhibition of CysLT-mediated bronchoconstriction and limits the CysLT-mediated increase in vascular permeability.


Mechanism of Sustained Pathway Modulation

The drug’s mechanism operates through continuous, competitive antagonism to modulate chronic pathways associated with leukotriene-mediated inflammation. This targeted pathway adjustment influences the systemic modulation of the leukotriene pathway, engaging mechanisms that modulate specific physiological processes rather than those used for rapid, acute physiological reversal.

Dosage and Administration Information

Administration Principles

Montiget (Montelukast sodium) is strictly administered via the oral route for all approved uses. It is provided in fixed-dose forms, including film-coated tablets (10 mg), chewable tablets (4 mg and 5 mg), and oral granules (4 mg), which are formulated to suit different age groups.


Standard Dosing and Frequency

For chronic maintenance, the medicine is taken once daily. Adults and adolescents 15 years and older typically receive a 10 mg dose. Pediatric patients are administered a lower fixed dose depending on age: 5 mg for children 6 to 14 years old, and 4 mg for those 6 months to 5 years old. The daily dose for chronic conditions is generally taken in the evening to align with established treatment principles.


Administration Context and Special Use

Administration is flexible concerning meals, as Montiget can be taken with or without food. The oral granules require specific preparation: they must be administered within 15 minutes of opening the packet and may be mixed with a spoonful of cold or room-temperature soft foods like applesauce or rice. Chewable tablets must be fully chewed before swallowing.

The therapy is intended for long-term daily use even during asymptomatic periods. For the specific purpose of preventing exercise-induced bronchoconstriction (EIB), a single dose is taken at least two hours before exercise. Patients already receiving a daily maintenance dose should not take an additional single dose for EIB prevention within the same 24-hour period. No dosage adjustments are typically required for older adults or patients with mild to moderate kidney or liver impairment.

Recent Clinical Evidence

Research Evidence / Overview of Studies


Overview of Clinical Research

Research has been conducted across multiple phases to understand the compound's potential use in various patient populations. Early phase trials examined safety and tolerability, while later phase studies evaluated patient outcomes in specific indications, primarily chronic asthma and allergic rhinitis.

Findings from Key Trials

Biological Activity Research

Studies investigated the intended biological activity of the compound, which functions as a leukotriene receptor antagonist. Research has examined the effect on parameters related to inflammation and airway function following the administration of the compound. These evaluations also included assessments of symptom levels in long-term trials.

Dose and Administration Studies

The effect of the combination of the two agents on absorption was evaluated compared to the single-agent formulation. Research has explored administering the compound alongside standard care treatments to evaluate the potential range of measured study outcomes. The studied dose range has been the subject of several evaluations to determine the most commonly assessed levels for different age groups and indications.

Safety and Tolerability

Studies have evaluated safety in study cohorts including individuals with conditions such as mild hepatic impairment and a history of heart conditions. Research has examined potential issues, including transient gastrointestinal discomfort, which was reported in Phase 3 trials.

Current Status

The overall research data is being prepared for submission and review by relevant health authorities. It remains uncertain whether the outcomes observed in the research will be consistent across all patient groups, and further long-term evaluations are currently underway.

Frequently Asked Questions (FAQ)

Common questions about Montiget (FAQ)

Q: How quickly does Montiget start to work?

Studies and official information indicate that the preventive effect of Montiget is noted to begin relatively soon after administration. For example, in clinical studies concerning breathing difficulty caused by exercise, protective effects have been seen as quickly as two hours after taking the medicine.


Q: Can Montiget be stopped suddenly without issues?

Official information indicates that treatment should generally not be stopped abruptly without guidance from a healthcare professional. Discontinuing the medicine without professional advice may be associated with the return or worsening of the chronic symptoms it was prescribed to manage.


Q: How long do people typically stay on Montiget?

According to the official product information, Montiget is intended for long-term daily use as a maintenance therapy. The appropriate duration of use is determined by the healthcare provider based on the individual's condition and needs.


Q: Does Montiget have any known food restrictions?

Official prescribing information describes that standard Montiget tablets may be taken with or without food. Some labeling for the chewable tablets suggests consumption at least one hour before or two hours after a meal. Official drug information does not list any specific food restrictions or prohibitions.


Q: How is the long-term safety profile of Montiget described in official reports?

The safety profile has been described in official reports from clinical trials. The most serious safety consideration documented involves the risk of certain neuropsychiatric events, which can be reported at any time during or after treatment across all age groups.


Q: How is Montiget different from a standard bronchodilator?

Montiget is classified as a Leukotriene Receptor Antagonist (LTRA) that works by blocking chemical signals to reduce chronic inflammation and prevent airway muscle contraction. Unlike a standard bronchodilator, its primary function is long-term preventative pathway modulation, not providing immediate relief for acute breathing issues.


Q: What mood or behavior changes have been reported with Montiget?

Official regulatory warnings list a range of neuropsychiatric events that have been reported, including mood disturbances like anxiety and depression. Changes in behavior such as agitation, aggression, and suicidal thoughts and behavior have also been noted in patient safety reports.


Q: Can Montiget cause difficulties with attention or concentration?

Official safety information includes reports of disturbances in attention and difficulty concentrating as possible side effects. This information is provided for educational purposes only and is not a substitute for professional medical guidance.


Q: Can Montiget cause feelings of disorientation or confusion?

Official safety information includes reports of disorientation, which is described as an inability to know the correct time, place, or person. This is noted as a possible side effect in regulatory documents.


Q: Are changes in memory or forgetfulness a possible side effect?

Regulatory safety information lists memory problems and forgetfulness as potential side effects reported by some individuals taking this medicine.


Q: How long after starting the drug might behavior changes appear?

Official safety communications indicate that neuropsychiatric reactions have been reported across various time windows. These events have been observed during treatment, shortly after the medication was started, and in some cases, even after the medicine was stopped.


Q: What is the risk of experiencing depression while taking Montiget?

Depression is listed as a serious, rare, or very rare event in official drug labeling. The FDA issued a boxed warning due to reports of serious behavioral changes, including depression and suicidal ideation, reported from post-marketing surveillance.


Q: Have cases of hallucinations been associated with Montiget use?

Official safety information lists hallucinations—such as seeing, feeling, or hearing things that are not truly there—as a reported neuropsychiatric side effect. These are categorized among the very rare adverse reactions.


Q: What should be done if a dose of Montiget is missed?

Official product information describes the general protocol for a missed dose: skipping the dose and continuing with the regular schedule. It is noted that taking two doses at once is not advised.


Q: Is Montiget use generally acceptable while breastfeeding?

Data indicates that very low levels of the drug may pass into breast milk, and the amounts ingested by the infant are not expected to cause adverse effects. Official guidance generally states that use during breastfeeding is permitted only if the prescriber considers it clearly essential.


Q: What is the prescribing information for using Montiget in the elderly population?

Regulatory documents specify that no dosage adjustment is typically required for older adults. They generally receive the same daily dose as other adults aged 15 years and older.


Q: How does Montiget work to help with exercise-induced breathing problems?

The drug works by blocking leukotrienes, which are inflammatory chemicals released by the body following vigorous exercise that can cause airway obstruction in susceptible individuals. This action helps to attenuate the resulting narrowing and hyperresponsiveness of the airways.

How should Montiget be stored and disposed of?

How to Store and Dispose of Montiget

Montiget (montelukast) must be stored under specific conditions to maintain its stability, as mandated by official labeling. The medicine must be kept at a Controlled Room Temperature, typically 20 C to 25 C (68 F to 77 F). Storage must ensure the product is protected from light and moisture, and it should remain in its original container with the lid tightly closed.

Handling and Stability

Oral granule packets, once mixed with soft food or liquid, must be administered within 15 minutes; the mixed preparation cannot be stored for later use. Consistent with regulatory guidance, Montiget must always be stored out of the sight and reach of children.

Disposal Instructions

Unused or expired Montiget must be disposed of in accordance with local requirements. If a drug take-back program is unavailable, the product should be mixed with an undesirable substance, placed in a sealed container, and discarded in the household trash, ensuring all personal information is removed from the packaging.

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

Available in countries:

Equivalent of Montiget found in:

A-Z Index: