MONTAIR 4MG

# Montelukast 4 mg ## SHORT DESCRIPTION **Montelukast 4 mg** is a **leukotriene receptor antagonist (LTRA)** used to help prevent and control symptoms associated with **asthma** and **allergic rhinitis**. It is commonly available as a 4 mg chewable tablet or granules for young children, depending on the product. Montelukast helps reduce airway inflammation and bronchoconstriction by blocking the action of leukotrienes. > **Important:** Montelukast is a controller medicine and is **not a rescue treatment for a sudden asthma attack**. ## KEY BENEFITS * Helps prevent asthma symptoms * Helps reduce airway inflammation and bronchoconstriction * May help reduce nighttime asthma symptoms * Helps prevent exercise-induced bronchoconstriction in appropriate patients * Helps relieve symptoms of seasonal or perennial allergic rhinitis * May reduce symptoms such as wheezing, coughing, and breathing difficulty associated with asthma * Convenient once-daily administration for many patients ## USES / INDICATIONS Montelukast 4 mg may be prescribed for: * **Asthma maintenance and prevention** * Prevention of **exercise-induced bronchoconstriction** in appropriate patients * **Allergic rhinitis**, including seasonal or perennial allergic rhinitis * Control of allergy-related nasal symptoms such as sneezing, nasal congestion, and runny nose Montelukast 4 mg is commonly used in **children aged 2 to 5 years** for certain approved indications, although the exact approved age range depends on the formulation and country. ## HOW IT WORKS Montelukast selectively blocks **cysteinyl leukotriene type 1 (CysLT1) receptors**. Leukotrienes are inflammatory substances released during allergic and asthmatic reactions. They can cause: * Airway narrowing * Airway swelling * Increased mucus production * Nasal inflammation and congestion By blocking leukotriene receptors, montelukast helps reduce these effects and improves control of asthma and allergy symptoms. ## DOSAGE & ADMINISTRATION For many approved products, the usual dose of **Montelukast 4 mg** is: * **Children 2 to 5 years:** 4 mg once daily, usually in the evening for asthma. However, dosing depends on the indication and formulation. Always follow the specific prescription or product label. ### Administration * Chewable tablets should be **chewed thoroughly before swallowing**. * Granules should be administered according to the product instructions. * Montelukast may generally be taken with or without food. * Take it regularly as prescribed. * Do not take more than the recommended dose. ### Missed dose Give the missed dose when remembered unless it is close to the next scheduled dose. Do not give two doses at the same time. ### Important Montelukast is **not intended to relieve an acute asthma attack**. A prescribed fast-acting rescue inhaler should be used according to the child's asthma action plan. ## SIDE EFFECTS Common side effects may include: * Headache * Abdominal pain * Sore throat * Cough * Fever * Diarrhea * Nausea * Fatigue ### Neuropsychiatric side effects Montelukast has been associated with **neuropsychiatric effects**, which can occur in children and adults. These may include: * Nightmares * Sleep disturbances * Irritability * Agitation * Anxiety * Aggressive behavior * Mood changes * Depression * Hallucinations * Suicidal thoughts or behavior Seek medical advice promptly if significant changes in mood, behavior, sleep, or mental health occur. ## PRECAUTIONS & WARNINGS ### Neuropsychiatric warning Montelukast can cause serious behavioral or mood-related effects in some patients. Discuss the risks and benefits with a healthcare professional, particularly when montelukast is being considered for **allergic rhinitis** where alternative treatments may be available. Stop the medicine and contact a healthcare professional promptly if concerning behavioral or mood changes occur. ### Acute asthma attacks Montelukast should **not be used as a rescue medicine** for an acute asthma attack. ### Allergic rhinitis For allergic rhinitis, montelukast is generally considered when alternative treatments are inadequate or not tolerated, because of the potential for serious neuropsychiatric effects. ### Liver disease Tell your doctor if the child has liver disease or a history of liver problems. ### Phenylketonuria Some montelukast chewable tablets contain **aspartame**, which is a source of phenylalanine. Check the product ingredients if the patient has phenylketonuria. ### Pregnancy and breastfeeding Montelukast should be used during pregnancy or breastfeeding only after consultation with a healthcare professional. ## DRUG INTERACTIONS Montelukast generally has a low potential for clinically significant drug interactions. It can generally be used with many common asthma and allergy medicines, including: * Inhaled corticosteroids * Short-acting bronchodilators * Long-acting bronchodilators * Antihistamines * Nasal corticosteroids Medicines that may affect montelukast metabolism include: * **Phenobarbital** * **Rifampicin** * **Gemfibrozil** Always tell your doctor or pharmacist about all prescription medicines, OTC medicines, vitamins, and herbal supplements being taken. ## STORAGE INFORMATION * Store Montelukast 4 mg according to the manufacturer's instructions. * Keep at room temperature unless the product label specifies otherwise. * Protect from excessive heat, moisture, and direct sunlight. * Keep chewable tablets or granules in their original packaging. * Keep out of reach and sight of children. * Do not use after the expiry date. * Do not use the medicine if the packaging is damaged. ## PRESCRIPTION STATUS **Montelukast 4 mg is generally a prescription medicine**, although dispensing requirements vary by country. Because of the potential for serious neuropsychiatric adverse effects, particularly in children, it should be used according to professional medical advice. ## GENUINE MEDICINE ASSURANCE To help ensure you receive genuine Montelukast 4 mg: * Purchase only from a licensed and reputable pharmacy. * Check the medicine name and **4 mg strength**. * Verify the manufacturer and formulation. * Check the batch number and expiry date. * Ensure the packaging is sealed and undamaged. * Check that the tablets or granules match the product description. * Avoid products with suspicious or altered packaging. * Consult a pharmacist if you have concerns about authenticity. ## FAQ SECTION ### What is Montelukast 4 mg used for? Montelukast 4 mg is used primarily for **asthma control and prevention** and may also be prescribed for allergic rhinitis and prevention of exercise-induced bronchoconstriction in appropriate patients. ### Is Montelukast 4 mg suitable for children? Montelukast 4 mg is commonly used for children in the **2-to-5-year age range** for certain approved indications. The appropriate formulation and dose depend on the child's age and condition. ### Is Montelukast a steroid? No. Montelukast is **not a steroid**. It is a leukotriene receptor antagonist. ### Is Montelukast an antibiotic? No. Montelukast does not treat bacterial infections and is not an antibiotic. ### How does Montelukast work? Montelukast blocks leukotriene receptors, reducing airway narrowing, inflammation, swelling, and mucus production associated with asthma and allergic reactions. ### Is Montelukast a rescue medicine? No. Montelukast does not provide rapid relief during an acute asthma attack. A prescribed rescue inhaler should be used according to the asthma action plan. ### Can Montelukast be taken every day? Yes. When prescribed for asthma maintenance, montelukast is generally taken **once daily** on a regular basis. ### What time should Montelukast 4 mg be taken? For asthma, montelukast is commonly taken in the **evening**. Follow the specific instructions provided by your healthcare professional. ### Should Montelukast 4 mg be taken with food? Montelukast can generally be taken with or without food. Follow the instructions for the specific formulation. ### Can Montelukast 4 mg be chewed? If the product is a **chewable tablet**, it should be chewed thoroughly before swallowing. Do not swallow it whole unless the product instructions specifically allow it. ### Can Montelukast help with allergies? Yes. Montelukast can help relieve certain symptoms of **seasonal or perennial allergic rhinitis**, although it is not usually the first-choice treatment when other effective options are available. ### Can Montelukast help with a cough? It may help when the cough is related to asthma or allergic airway inflammation. It is not a general treatment for all types of cough. ### Can Montelukast help with wheezing? Yes. By blocking leukotrienes, montelukast can help reduce airway narrowing and wheezing associated with asthma. ### Can Montelukast be taken with an inhaler? Yes. Montelukast is often used alongside inhaled asthma medicines such as corticosteroids or bronchodilators when prescribed. ### Does Montelukast cause sleep problems? Sleep disturbances, nightmares, and other neuropsychiatric effects have been reported. Contact a healthcare professional if significant changes in sleep or behavior occur. ### Can Montelukast cause behavioral changes in children? Yes. Some children may experience irritability, aggression, agitation, anxiety, nightmares, mood changes, or other behavioral symptoms. Report significant changes promptly. ### Can Montelukast cause depression? Depression and other mood-related effects have been reported. Seek medical advice if a child develops persistent sadness, withdrawal, unusual behavior, or other concerning mood changes. ### Can Montelukast cause suicidal thoughts? Rare but serious neuropsychiatric events, including suicidal thoughts or behavior, have been reported. Seek immediate professional help if suicidal thoughts or self-harm behavior occurs. ### Can Montelukast be used for an asthma attack? No. Montelukast is a **preventive/controller medicine**, not an emergency treatment for an acute asthma attack. ### What happens if I miss a dose of Montelukast? Give the missed dose when remembered unless it is close to the next scheduled dose. Do not give two doses together. ### What happens if a child takes too much Montelukast? Contact a healthcare professional or poison service promptly. Possible overdose symptoms may include thirst, sleepiness, agitation, hyperactivity, or abdominal pain. ### Can Montelukast be used during pregnancy? Montelukast may be used during pregnancy when medically necessary. Discuss its use with a healthcare professional before starting or continuing treatment. ### Can Montelukast be used while breastfeeding? Montelukast may be used when considered appropriate by a healthcare professional. Discuss breastfeeding and treatment options with your doctor. ### Is Montelukast 4 mg available without a prescription? Montelukast 4 mg is generally a **prescription medicine**, although regulations can differ between countries. ### Is Montelukast the same as Cetirizine? No. Montelukast is a leukotriene receptor antagonist, while cetirizine is an antihistamine. They work through different mechanisms and may sometimes be used together when prescribed. ### Is Montelukast the same as Budesonide? No. Montelukast is a leukotriene receptor antagonist, while budesonide is an inhaled corticosteroid. They have different mechanisms and roles in asthma treatment. ## MEDICAL DISCLAIMER This information about **Montelukast 4 mg** is provided for educational and informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Montelukast is primarily used as a **controller medicine for asthma** and is not intended to treat an acute asthma attack. A fast-acting rescue medicine should be available when prescribed. Montelukast carries an important warning regarding **serious neuropsychiatric events**, including behavioral and mood changes, sleep disturbances, depression, suicidal thoughts, and behavior. For allergic rhinitis, the benefits and risks should be carefully considered, particularly when alternative treatments are available. **Do not start, stop, or change Montelukast 4 mg treatment without consulting a qualified healthcare professional.** Seek prompt medical advice if significant behavioral, mood, or sleep changes occur. Always follow the approved product information and the specific instructions provided by your doctor or pharmacist.