Product image of Montelukast Teva (Montelukast Sodium) supplied by GNH India

Montelukast Teva

Active Ingredient:
Montelukast Sodium
Origin:
EU

Montelukast Teva (Montelukast Sodium)

Montelukast Sodium, the active ingredient in Montelukast Teva, is a leukotriene receptor antagonist presented as a tablet for oral use. It treats asthma and allergic rhinitis in adults and children.
GNH India supplies Montelukast Teva as a licensed, GDP-compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Teva Pharma S.L.U.,

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Indications & Clinical Uses

Montelukast Teva is a leukotriene‑receptor antagonist used in the management of chronic airway and nasal allergic conditions.

  • Asthma: reduces the frequency of bronchospasm and improves overall disease control.
  • Allergic rhinitis: relieves nasal congestion, sneezing, itching and rhinorrhea.
  • Exercise‑induced bronchoconstriction: prevents symptoms triggered by 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 airflow and decreasing allergic inflammation.

Side Effects

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

Common Side Effects

  • Headache: mild to moderate pain often reported.
  • Abdominal pain: discomfort or cramping in the stomach region.
  • Cough: occasional dry or productive cough.
  • Nausea: feeling of queasiness without vomiting.
  • Sore throat: irritation or pain in the throat.
  • Dizziness: transient light‑headedness.

Serious or Rare Side Effects

  • Angioedema: rapid swelling of face, lips or tongue.
  • Mood changes: depression, anxiety, or suicidal thoughts.
  • Stevens‑Johnson syndrome: severe skin reaction with blistering.
  • Hepatic injury: elevated liver enzymes or hepatitis.
  • Anaphylaxis: life‑threatening allergic reaction.
  • Eosinophilic pneumonia: rare lung inflammation with eosinophil accumulation.

Precautions & Warnings

Use Montelukast with awareness of specific safety considerations.

  • Pregnancy: consult a healthcare provider; safety data are limited.
  • Liver disease: use cautiously and monitor hepatic function.
  • Asthma exacerbation: do not replace rescue inhalers during acute attacks.
  • Psychiatric effects: observe for mood changes or depressive symptoms.
  • Drug interactions: review all concomitant medications for potential effects.
  • Store at room temperature: keep in the original container, protect from moisture and light.

Avoid Interactions

Montelukast may interact with several medicines; some require avoidance while others need monitoring.

Major Interactions (Avoid)

  • Ritonavir: may increase montelukast plasma concentrations.
  • Phenobarbital: may reduce montelukast effectiveness.
  • Carbamazepine: may lower plasma levels of montelukast.

Moderate Interactions (Monitor Closely)

  • Fluconazole: may modestly raise montelukast levels.
  • Erythromycin: can increase systemic exposure.
  • Warfarin: monitor INR as montelukast may affect anticoagulation.

Frequently Asked Questions

Montelukast Teva is indicated for the prophylaxis and chronic treatment of asthma, relief of symptoms associated with allergic rhinitis, and prevention of exercise‑induced bronchoconstriction. It works by targeting leukotriene pathways that contribute to airway narrowing and nasal inflammation.

Montelukast Sodium is a selective antagonist of the cysteinyl leukotriene receptor CysLT1. By blocking this receptor, it prevents leukotriene D4 from causing bronchoconstriction, mucus secretion, and inflammatory cell recruitment, thereby improving airway patency and reducing allergic symptoms.

The dosage of Montelukast Teva is determined by the prescribing healthcare professional based on the patient’s age, weight, and specific indication. Patients should follow the prescriber’s instructions and not adjust the dose without medical guidance.

Safety data for Montelukast during pregnancy are limited, so it should only be used if the potential benefit justifies the potential risk. Breastfeeding mothers should consult their physician, as the drug is excreted in breast milk and the effects on the infant are not fully known.

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 and long‑acting beta‑agonists. It is particularly useful for patients with allergic components or those who need an adjunct therapy, but it does not replace rescue bronchodilators for acute attacks.

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

Montelukast Teva is taken orally, usually as a tablet, with or without food. The exact administration instructions, including timing relative to meals, are provided by the prescribing clinician.

Serious risks, though rare, include angioedema, severe skin reactions such as Stevens‑Johnson syndrome, hepatic injury, anaphylaxis, and neuropsychiatric events like depression or suicidal thoughts. Patients should seek immediate medical attention if any of these symptoms develop.

Montelukast Teva is contraindicated in individuals with known hypersensitivity to montelukast or any of its excipients. Patients with a history of severe allergic reactions or those who have experienced serious adverse events with leukotriene antagonists should avoid its use.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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