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 helps control asthma symptoms 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 Gmbh

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Indications & Clinical Uses

Montelukast acts on the leukotriene pathway to manage chronic airway and nasal conditions.

  • Asthma: reduces the frequency and severity of bronchospasm episodes.
  • Allergic rhinitis: alleviates nasal congestion, sneezing and itching.
  • Exercise‑induced bronchoconstriction: prevents airway narrowing during physical activity.

How It Works

  • Montelukast selectively blocks the cysteinyl leukotriene receptor CysLT1, preventing leukotrienes from binding and triggering bronchoconstriction, mucus secretion, and airway inflammation. By inhibiting this pathway, it reduces airway hyper‑responsiveness and improves breathing in patients with asthma and allergic rhinitis.

Side Effects

Montelukast is generally well tolerated, but several adverse reactions have been reported.

Common Side Effects

  • Headache: mild to moderate intensity.
  • Abdominal pain: occasional discomfort.
  • Cough: transient irritation.
  • Nausea: occasional upset stomach.
  • Sore throat: mild irritation.
  • Dizziness: brief episodes of light‑headedness.

Serious or Rare Side Effects

  • Allergic reactions: rash, angioedema, or anaphylaxis.
  • Mood changes: depression, anxiety, or suicidal thoughts.
  • Hepatic enzyme elevation: abnormal liver function tests.
  • Stevens‑Johnson syndrome: severe skin reactions.
  • Severe bronchospasm: paradoxical worsening of breathing.
  • Thromboembolic events: rare clot formation.

Precautions & Warnings

Before initiating therapy, consider the following safety measures.

  • Assess liver function: monitor in patients with hepatic impairment.
  • Avoid use in patients with known hypersensitivity to montelukast or any tablet excipients.
  • Use caution in patients with psychiatric disorders; monitor mood changes.
  • Consider dose adjustment in severe renal impairment, although no formal reduction is required.
  • Store at ambient temperature below 25°C: keep in the original pack, protect from moisture.

Avoid Interactions

Montelukast may interact with other medicines that affect its metabolism or plasma levels.

Major Interactions (Avoid)

  • Ritonavir: can increase montelukast concentrations, raising risk of side effects.
  • Phenobarbital: may lower montelukast exposure, reducing efficacy.
  • Carbamazepine: can decrease plasma levels, potentially compromising control of asthma.

Moderate Interactions (Monitor Closely)

  • Fluconazole: may modestly raise montelukast levels; observe for adverse effects.
  • Erythromycin: can increase exposure; monitor for headache or gastrointestinal upset.
  • Warfarin: montelukast may affect metabolism; check INR regularly when co‑administered.

Frequently Asked Questions

Montelukast Sandoz is prescribed to prevent asthma attacks, manage chronic asthma symptoms, and relieve allergic rhinitis such as nasal congestion, sneezing, and itching. It is also used to prevent exercise‑induced bronchoconstriction in patients who experience airway narrowing during physical activity.

Montelukast blocks the cysteinyl leukotriene receptor CysLT1, stopping leukotrienes from binding. This inhibition reduces bronchoconstriction, mucus production, and airway inflammation, leading to improved breathing and fewer allergic nasal symptoms.

The specific dose and dosing schedule of Montelukast Sandoz 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 in pregnancy are limited, and the product is classified as pregnancy category unknown. It should only be used if the potential benefit justifies any potential risk to the fetus. Caution is also advised during breastfeeding, and a healthcare professional should evaluate the risk‑benefit ratio.

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 (including any cold‑chain needs), and required 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 who cannot tolerate inhaled steroids or who need additional control of allergic rhinitis. Its mechanism differs from bronchodilators, targeting inflammatory pathways rather than immediate airway relaxation.

Montelukast Sandoz tablets should be stored at ambient temperature below 25 °C. Keep them in the original container, protect from moisture and direct sunlight, and ensure they are out of reach of children.

Montelukast Sandoz is taken orally, usually as a whole tablet with or without food. The tablet should be swallowed whole with a glass of water and not chewed or crushed, unless otherwise directed by a healthcare professional.

Serious risks include severe allergic reactions such as rash, angioedema, or anaphylaxis, as well as neuropsychiatric events like depression, anxiety, or suicidal thoughts. Rarely, liver enzyme elevations and severe skin reactions (e.g., Stevens‑Johnson syndrome) have been reported. Patients should seek immediate medical attention if any of these occur.

Montelukast Sandoz should be avoided in individuals with a known hypersensitivity to montelukast or any tablet excipients. Caution is advised for patients with severe hepatic impairment, active psychiatric disorders, or those taking interacting medications listed under major interactions.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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