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

Montelukast Sandoz

Active Ingredient:
Montelukast
Origin:
EU

Montelukast Sandoz (Montelukast)

Montelukast, the active ingredient in Montelukast Sandoz, is a leukotriene receptor antagonist presented as a tablet for oral use. It is used to manage asthma, exercise‑induced bronchoconstriction and allergic rhinitis in adults and children.
GNH India supplies Montelukast Sandoz as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Sandoz Farmacéutica, S.A.

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Indications & Clinical Uses

Montelukast acts on the leukotriene pathway to reduce airway inflammation and bronchoconstriction.

  • Asthma maintenance therapy: improves long‑term control and reduces the frequency of exacerbations.
  • Exercise‑induced bronchoconstriction: prevents narrowing of the airways triggered by physical activity.
  • Allergic rhinitis: alleviates nasal congestion, sneezing and itching caused by seasonal allergens.

How It Works

  • Montelukast selectively blocks the cysteinyl leukotriene receptor CysLT1, inhibiting the actions of leukotriene D4 and related mediators. By preventing leukotriene‑induced bronchoconstriction, vascular permeability, and eosinophil recruitment, it reduces airway inflammation and hyper‑responsiveness associated with asthma and allergic rhinitis.

Side Effects

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

Common Side Effects

  • Headache: mild to moderate intensity.
  • Upper respiratory tract infection: transient symptoms.
  • Abdominal pain or dyspepsia: occasional discomfort.
  • Cough: non‑productive.
  • Nasopharyngitis: mild cold‑like symptoms.

Serious or Rare Side Effects

  • Mood changes: including agitation, depression or suicidal thoughts.
  • Allergic reactions: rash, urticaria or angioedema.
  • Hepatotoxicity: elevated liver enzymes.
  • Severe bronchospasm: paradoxical worsening of breathing.
  • Anaphylaxis: rare but life‑threatening hypersensitivity.

Precautions & Warnings

Montelukast should be used with awareness of specific safety considerations.

  • Pregnancy: consult a healthcare professional; safety data are limited.
  • Breastfeeding: discuss potential exposure with a physician.
  • Hepatic impairment: monitor liver function in patients with known liver disease.
  • Concomitant asthma therapy: do not discontinue inhaled corticosteroids without medical advice.
  • Age restrictions: use according to approved pediatric dosing guidelines.
  • Store at ambient temperature: keep below 25 °C, in the original container, protected from moisture and direct sunlight.

Avoid Interactions

Montelukast may interact with other medicines, requiring careful management.

Major Interactions (Avoid)

  • Phenobarbital or rifampin: may reduce montelukast plasma concentrations.
  • Strong CYP3A4 inducers: can lower therapeutic effect.

Moderate Interactions (Monitor Closely)

  • Warfarin: occasional reports of altered INR, monitor coagulation.
  • Antidepressants (SSRIs, SNRIs): monitor for mood changes.
  • Other leukotriene modifiers: avoid combined use due to overlapping toxicity.

Frequently Asked Questions

Montelukast Sandoz is prescribed for asthma maintenance therapy, to prevent exercise‑induced bronchoconstriction, and to relieve symptoms of allergic rhinitis such as nasal congestion, sneezing and itching.

Montelukast blocks the cysteinyl leukotriene receptor CysLT1, preventing leukotriene D4 from causing bronchoconstriction, airway swelling, and inflammation, thereby improving breathing and reducing allergic symptoms.

The specific dose and dosing schedule 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 exactly.

Safety data for Montelukast in pregnancy are limited, so it should only be used if the potential benefit justifies the risk. While it does pass into breast milk, a healthcare professional should evaluate the risk‑benefit ratio for nursing mothers.

Submit an enquiry on the product page at gnhindia.com with 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 beta‑agonists. It is particularly useful for patients with exercise‑induced bronchoconstriction or those who prefer a non‑inhaled option, though it is generally used as add‑on therapy rather than a sole replacement.

Store the tablets at ambient temperature, preferably below 25 °C, in the original packaging to protect from moisture and light. Keep out of reach of children.

Montelukast Sandoz is taken orally, usually once daily in the evening, with or without food, as directed by the prescriber. Swallow the tablet whole; do not crush or chew unless instructed otherwise.

Serious risks include mood changes such as depression, suicidal thoughts, and rare allergic reactions like rash, angioedema or anaphylaxis. Patients should seek immediate medical attention if they experience any of these symptoms.

Montelukast is contraindicated in individuals with known hypersensitivity to montelukast or any of its excipients. It should also be avoided in patients who have experienced severe adverse reactions to leukotriene receptor antagonists.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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