GNH USA

Europe — EMA

Montelukast Normon

GNH USA supplies Montelukast Normon (Montelukast), a leukotriene receptor antagonist for asthma, exercise‑induced bronchoconstriction and allergic rhinitis.

Request sourcing

1
Pack/s

What is Montelukast?

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

GNH USA supplies Montelukast Normon as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, with established quality assurance processes and regulatory compliance across EU and global markets. The company ensures reliable delivery timelines and supports pharmacovigilance reporting for its customers.

What is Montelukast used for?

Montelukast is a leukotriene receptor antagonist used to treat conditions mediated by leukotriene‑driven inflammation. - Asthma: reduces frequency of wheezing episodes and improves lung function in patients with persistent asthma. - Exercise‑induced bronchoconstriction: prevents airway narrowing that occurs during or after physical activity. - Allergic rhinitis: alleviates nasal congestion, sneezing and itching associated with seasonal or perennial allergic rhinitis.

What are the side effects of Montelukast?

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

Common Side Effects: - Headache: mild to moderate headache reported in clinical use. - Abdominal pain: occasional stomach discomfort or cramps. - Nausea: transient feeling of queasiness. - Dizziness: light‑headed sensation, especially after first doses. - Cough: mild, non‑productive cough. - Sore throat: irritation of the throat.

Serious or Rare Side Effects: - Allergic reactions: rash, angioedema or anaphylaxis requiring immediate medical attention. - Mood changes: reports of agitation, depression or suicidal thoughts. - Hepatic enzyme elevation: abnormal liver function tests in rare cases. - Stevens‑Johnson syndrome: severe skin reactions. - Eosinophilic granulomatosis with polyangiitis: rare vasculitic disorder.

What precautions apply to Montelukast?

When prescribing Montelukast, consider the following safety measures. - Pregnancy: Category B – use only if clearly needed after risk‑benefit assessment. - Breastfeeding: weigh potential infant exposure against maternal benefit. - Pediatric use: safety established in children six months of age and older; monitor growth. - Drug interactions: review concomitant medications for possible pharmacokinetic effects. - Renal/hepatic impairment: use with caution in severe dysfunction and monitor clinical response. - Store at ambient temperature: keep below 25°C, retain in original packaging, protect from moisture and direct sunlight.

What does Montelukast interact with?

Montelukast may interact with several medicines; awareness of interaction severity guides management.

Major Interactions (Avoid): - Ritonavir: potent CYP3A4 inhibitor that can raise montelukast levels. - Phenobarbital, carbamazepine, phenytoin: strong enzyme inducers that may reduce efficacy. - Fluconazole: may increase systemic exposure.

Moderate Interactions (Monitor Closely): - Warfarin: potential increase in INR; monitor coagulation parameters. - Beta‑agonists: additive bronchodilator effect; observe for excessive stimulation. - ACE inhibitors: monitor for heightened cough or angioedema risk.

Frequently asked questions

What conditions is Montelukast Normon used for?+
Montelukast Normon is prescribed to control persistent asthma, prevent exercise‑induced bronchoconstriction, and relieve symptoms of allergic rhinitis such as nasal congestion, sneezing and itching. It works by blocking leukotrienes that contribute to airway inflammation and allergic responses.
How does Montelukast work in the body?+
Montelukast selectively antagonizes the cysteinyl leukotriene receptor CysLT1 on airway smooth muscle and inflammatory cells. By inhibiting leukotrienes D4, E4 and related mediators, it reduces bronchoconstriction, mucus secretion, and eosinophil recruitment, leading to improved airway patency and reduced allergic inflammation.
What is the usual dose of Montelukast Normon?+
The specific dose of Montelukast Normon is determined by the prescribing clinician based on the patient’s age, diagnosis, and clinical response. Healthcare professionals follow approved labeling and adjust the regimen as needed for optimal therapeutic effect.
Is Montelukast safe during pregnancy or breastfeeding?+
Montelukast is classified as Pregnancy Category B, indicating no evidence of risk in animal studies but limited human data. It may be used during pregnancy only if the potential benefit justifies any potential risk. While it passes into breast milk in small amounts, breastfeeding decisions should be made after weighing maternal benefit against possible infant exposure.
How do I order Montelukast Normon from GNH USA?+
To place an order, submit an enquiry on the product page at gnh-usa.com, specifying the required quantity. GNH USA works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including any cold‑chain requirements) and necessary import documentation.
How does Montelukast compare with other asthma treatments?+
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 aspirin‑exacerbated respiratory disease or those who prefer a once‑daily tablet. Unlike bronchodilators, it does not provide immediate relief of acute bronchospasm but helps control chronic inflammation.
What are the storage requirements for Montelukast Normon?+
Montelukast Normon tablets should be stored at ambient temperature, below 25 °C. Keep them in the original blister or container, protect from moisture, heat and direct sunlight, and keep out of reach of children.
How is Montelukast Normon administered?+
Montelukast Normon is taken orally, usually once daily in the evening, with or without food. The tablet should be swallowed whole with a glass of water. Patients should follow the dosing schedule prescribed by their healthcare provider.
What are the most serious risks associated with Montelukast?+
Serious adverse events, though rare, include severe allergic reactions such as anaphylaxis, mood changes including depression or suicidal thoughts, and rare skin disorders like Stevens‑Johnson syndrome. Patients should seek immediate medical attention if they experience rash, swelling, mood disturbances, or any signs of an allergic reaction.
Who should not use Montelukast Normon?+
Montelukast is contraindicated in individuals with known hypersensitivity to montelukast or any component of the formulation. Caution is advised for patients with severe hepatic impairment, and it should be avoided in those who require immediate relief of acute bronchospasm, as it does not act as a rescue medication.
Information provided on this page is for educational use by procurement and clinical professionals. Always consult a licensed healthcare provider for medical advice and prescribing decisions. GNH USA supplies this product subject to applicable regulatory and licensing requirements.

Product details

Drug
Montelukast
Route
Oral Use
Manufacturer
Laboratorios Normon, S.A.
Origin
EU

Related products