Product image of Montelukast Viatris (Montelukast) supplied by GNH India

Montelukast Viatris

Active Ingredient:
Montelukast
Origin:
EU

Montelukast Viatris (Montelukast)

Montelukast, the active ingredient in Montelukast Viatris, is a leukotriene receptor antagonist presented as an oral tablet for oral use. It treats asthma, allergic rhinitis and exercise‑induced bronchoconstriction in adults and children as prescribed by a healthcare professional.

GNH India supplies Montelukast Viatris as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Viatris Limited

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Indications & Clinical Uses

Montelukast is a leukotriene receptor antagonist used to manage conditions mediated by leukotriene‑driven inflammation.

  • Asthma: improves control of chronic asthma and reduces frequency of exacerbations.
  • Allergic rhinitis: alleviates nasal congestion, sneezing and itching associated with seasonal or perennial allergic rhinitis.
  • Exercise‑induced bronchoconstriction: prevents airway narrowing that occurs during or after physical activity.

How It Works

  • Montelukast selectively blocks the cysteinyl leukotriene receptor CysLT1, preventing leukotriene D4 from binding. This inhibition reduces leukotriene‑mediated bronchoconstriction, vascular permeability, and inflammatory cell recruitment in the airways, thereby improving respiratory function and decreasing allergic inflammation.

Side Effects

Montelukast is generally well tolerated, but adverse reactions can occur.

Common Side Effects

  • Headache: mild to moderate intensity.
  • Abdominal pain: occasional discomfort or cramping.
  • Cough: transient, non‑productive cough.
  • Nausea: occasional feeling of queasiness.
  • Dizziness: occasional light‑headedness.
  • Fatigue: mild tiredness.

Serious or Rare Side Effects

  • Allergic reactions: rash, urticaria, angioedema.
  • Mood changes: depression, anxiety, suicidal thoughts.
  • Hepatic injury: elevated liver enzymes or hepatitis.
  • Stevens‑Johnson syndrome: severe skin reaction.
  • Anaphylaxis: rare, life‑threatening hypersensitivity.

Precautions & Warnings

When prescribing Montelukast, consider the following safety measures.

  • Monitor mood: watch for depression, anxiety or suicidal ideation.
  • Hypersensitivity: avoid in patients with known allergy to montelukast or excipients.
  • Hepatic impairment: use caution; adjust if liver function is compromised.
  • Pregnancy: evaluate risk‑benefit; data are limited.
  • Renal impairment: consider dose adjustment in severe renal dysfunction.
  • Store at room temperature: keep below 25 °C in the original packaging, protect from moisture and direct sunlight.

Avoid Interactions

Montelukast may interact with other medicines; clinical judgement is required.

Major Interactions (Avoid)

  • Strong CYP3A4 inhibitors (e.g., ketoconazole, ritonavir): may increase montelukast plasma levels.
  • Phenobarbital: may reduce montelukast effectiveness.

Moderate Interactions (Monitor Closely)

  • Fluconazole: may modestly raise montelukast concentrations.
  • Erythromycin: potential for increased exposure.
  • Carbamazepine: may lower montelukast levels, reducing efficacy.

Frequently Asked Questions

Montelukast Viatris is prescribed to manage chronic asthma, alleviate symptoms of allergic rhinitis, and prevent exercise‑induced bronchoconstriction. It works by blocking leukotriene receptors that contribute to airway inflammation and narrowing.

Montelukast selectively antagonizes the cysteinyl leukotriene receptor CysLT1, preventing leukotriene D4 from triggering bronchoconstriction, mucus secretion, and inflammatory cell recruitment. This results in improved airway patency and reduced allergic inflammation.

The specific dose and dosing schedule for Montelukast Viatris are determined by the prescribing clinician based on the patient’s age, condition severity, and response to therapy. Patients should follow the prescriber’s instructions and not adjust the dose on their own.

Safety data for Montelukast during pregnancy and lactation are limited. Healthcare providers weigh potential benefits against possible risks before prescribing to pregnant or nursing women. Patients should discuss any concerns with their physician.

To place an order, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any necessary import documentation.

Montelukast belongs to the leukotriene receptor antagonist class, offering an oral alternative to inhaled corticosteroids or long‑acting bronchodilators. It is particularly useful for patients with aspirin‑exacerbated respiratory disease or those who prefer a non‑inhaled option, though it may be less potent for acute symptom relief compared with rescue inhalers.

Montelukast Viatris should be stored at room temperature, below 25 °C, in its original packaging. Keep the product away from moisture, direct sunlight, and excessive heat to maintain stability.

Montelukast Viatris is taken orally, usually as a tablet swallowed whole with water. It can be taken with or without food, and the timing (morning or evening) should follow the prescriber’s guidance.

Serious risks include rare allergic reactions such as rash, angioedema, or anaphylaxis, as well as neuropsychiatric events like depression, anxiety, and suicidal thoughts. Any sudden mood changes or severe skin reactions should prompt immediate medical attention.

Montelukast Viatris should be avoided in individuals with known hypersensitivity to montelukast or any of its excipients. Caution is advised for patients with severe hepatic impairment, and it is not recommended for use in children under the approved age without specific medical guidance.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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