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compositionComposition:MONTELUKAST-4MG
prescription
Prescription Medicine
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Bb Kast 4mg Tablet is used to treat seasonal allergies and asthma. It contains Montelukast, which reduces inflammation and swelling of the airways in the lungs. This makes breathing easier and prevents asthma attacks. In some cases, it may cause common side effects, such as diarrhoea, headache, abdominal cramps, flu-like symptoms, nausea, dizziness, and vomiting. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions.

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Written By Veda Maddala , M Pharmacy
Reviewed By Dr Aneela Siddabathuni , MPharma., PhD
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More about the Product

Composition :

MONTELUKAST-4MG

Manufacturer/Marketer :

Beulah Biomedics Ltd

Consume Type :

Oral

Expires on or after :

Dec-28

Return Policy :

Not Returnable

About Bb Kast 4mg Tablet

Bb Kast 4mg Tablet is a medicine used to prevent and manage asthma symptoms over the long term. It also helps relieve seasonal and year-round allergy symptoms, such as sneezing, a stuffy nose, and itchy eyes. Additionally, doctors prescribe this medication to prevent breathing difficulties that occur during exercise.

To get the best results, you must take Bb Kast 4mg Tablet consistently every single day, even when you do not have any active symptoms. You can take this tablet with or without food, usually in the evening for asthma or allergy control. Making lifestyle changes, such as keeping indoor air clean and avoiding environmental triggers, can also help maximise the benefits of this medication.

While Bb Kast 4mg Tablet is generally well-tolerated, some people may experience mild side effects like headaches or an upset stomach. However, you should contact your doctor immediately if you notice any severe changes in mood, behaviour, or sleep patterns.

Talk to your doctor before taking Bb Kast 4mg Tablet if you have liver damage or a history of severe allergies. Do not take this if you are allergic to any of its ingredients, and remember that this medication should not be used to treat a sudden, acute asthma attack.

Let your healthcare provider know about all other medications you take, especially certain seizure treatments or antibiotics, as they can affect how this medicine works. If you are pregnant, breastfeeding, or caring for an elderly individual, consult your doctor or pharmacist before starting Bb Kast 4mg Tablet.

Uses of Bb Kast 4mg Tablet

Bb Kast 4mg Tablet is a leukotriene receptor antagonist used to help control asthma and relieve allergy symptoms by reducing inflammation and narrowing of the airways. It is commonly prescribed for the following conditions:

  • Asthma control and prevention: Bb Kast 4mg Tablet helps manage daily asthma symptoms and reduces the frequency of asthma flare-ups over time.
  • Seasonal and year-round allergy relief: Bb Kast 4mg Tablet relieves persistent symptoms of allergic reactions, including sneezing, a runny nose, and nasal congestion.
  • Exercise-induced breathing difficulties: Bb Kast 4mg Tablet helps prevent the sudden narrowing of airways that occurs during physical exertion or exercise.

Key Benefits

Bb Kast 4mg Tablet provides long-term control of asthma and allergy symptoms by reducing airway inflammation and preventing the substances that trigger allergic and asthmatic reactions. The following benefits help improve your daily quality of life:

  • Helps Keep Airways Open: It reduces inflammation and airway narrowing, making breathing easier throughout the day and night.
  • Reduces Asthma Flare-Ups: Regular use helps decrease the frequency and severity of asthma attacks, including nighttime coughing and wheezing.
  • Relieves Allergy Symptoms: It helps reduce sneezing, runny nose, nasal congestion, and other allergy symptoms, improving overall comfort during allergy seasons and year-round.
  • Prevents Exercise-Induced Bronchospasm: It helps protect against breathing difficulties triggered by physical activity, allowing you to exercise with greater confidence.
  • Improves Daily Comfort and Sleep Quality: By providing better control of asthma and allergy symptoms, Bb Kast 4mg Tablet helps reduce nighttime awakenings, supports restful sleep, and enables you to stay active during your daily routine.

Directions for Use

  • Bb Kast 4mg Tablet can be taken with or without food, or as advised by a doctor.
  • Follow your doctor's instructions on the dosage and timing of this medication, to ensure the safety.

How Bb Kast 4mg Tablet Works

Bb Kast 4mg Tablet contains montelukast, a leukotriene receptor antagonist that helps prevent and control asthma symptoms and relieve allergic rhinitis. Bb Kast 4mg Tablet works by blocking the action of leukotrienes, natural inflammatory chemicals released by the body in response to allergens and other triggers. Leukotrienes cause the airways to become swollen, tighten, and produce excess mucus, making breathing difficult. By preventing these chemicals from attaching to their receptors, Bb Kast 4mg Tablet helps reduce airway inflammation, keeps the breathing passages open, and decreases the body's allergic response. Together, these actions help prevent asthma symptoms, improve breathing, and relieve allergy symptoms such as sneezing, a runny nose, and nasal congestion.
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Alcohol

Unsafe

Avoid drinking alcohol while taking Bb Kast 4mg Tablet as it can worsen your side effects, such as drowsiness.

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Pregnancy

Consult your doctor

There is limited data on how Bb Kast 4mg Tablet affects pregnancy. Please consult your doctor if you are planning to conceive or are already pregnant before starting Bb Kast 4mg Tablet.

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Breast Feeding

Consult your doctor

There is limited data on how Bb Kast 4mg Tablet affects breastfeeding. However, Montelukast may pass into breast milk. Please consult your doctor before starting Bb Kast 4mg Tablet.

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Driving

Caution

Do not drive or operate machinery if you experience drowsiness or difficulty in concentrating while using Bb Kast 4mg Tablet. Bb Kast 4mg Tablet may affect your ability to drive. Seek medical attention if the symptoms persist longer.

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Liver

Consult your doctor

Inform your doctor if you have a history of liver disease.

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Kidney

Consult your doctor

Inform your doctor if you have a history of kidney disease.

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Children

Caution

Bb Kast 4mg Tablet is not recommended for use in children under two years of age. The dose may need to be adjusted by your doctor depending on the child's disease condition and age.

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Heart

Safe if prescribed

Bb Kast 4mg Tablet is safe for use in heart patients due to its cardioprotective effects.

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Geriatrics

Safe if prescribed

Bb Kast 4mg Tablet can be safely given in elderly patients if recommended by the physician.

What if I have taken an overdose of Bb Kast 4mg Tablet

If you suspect an overdose or experience severe symptoms like severe stomach pain, sleepiness, thirst, or vomiting after taking too much, seek immediate medical attention or contact a poison control centre right away.

Diet & Lifestyle Advise

  • Avoid Known Triggers: Identify and avoid your specific asthma and allergy triggers, such as dust mites, pollen, pet dander, and tobacco smoke.
  • Monitor Air Quality: Check daily pollen and air quality forecasts before planning outdoor exercise or prolonged outdoor activities.
  • Maintain a Clean Indoor Environment: Keep your home's indoor air clean by using air purifiers, washing bedding weekly in hot water, and keeping windows closed during high-pollen seasons.
  • Stay Well Hydrated: Stay well-hydrated throughout the day, as drinking water helps keep the mucus membranes in your airways moist.
  • Track Your Symptoms: Keep a simple daily symptom diary to track how well your breathing is managed, which you can share with your doctor during checkups.
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How Soon It Starts Working

  • The time required for Bb Kast 4mg Tablet to start to work: Bb Kast 4mg Tablet ideally shows its action within 2 hours after administration.
  • The time for which the effects of Bb Kast 4mg Tablet last: The effect of Bb Kast 4mg Tablet lasts for 24 hours.

What if you forget to take Bb Kast 4mg Tablet

If you miss a dose, take it as soon as you remember. If it is almost time for your next scheduled dose, skip the missed one and return to your regular schedule. Do not take two doses at the same time to make up for a missed one.

Storage

•Store Bb Kast 4mg Tablet at room temperature, ideally between 15°C and 30°C (59°F and 86°F). •Keep the medicine in its original packaging to protect it from light, moisture, and excessive heat.

Drug Warnings

  • Keep Your Rescue Inhaler Available: Always keep a fast-acting rescue inhaler with you, as Bb Kast 4mg Tablet will not stop a sudden asthma attack that has already started.
  • Watch for Mood or Behaviour Changes: Be highly alert to any changes in mood, sleep patterns, or behaviour, and contact your doctor immediately if you or your family notice any unusual emotional shifts.
  • Take It Regularly: Take this medication every single day without interruption, even if your symptoms have completely cleared up.
  • Continue Avoiding Aspirin if Advised: If you have asthma that gets worse with aspirin, continue to avoid aspirin and other nonsteroidal anti-inflammatory drugs (NSAIDs) while taking Bb Kast 4mg Tablet.
  • Inspect the Packaging Before Use: Check the tablet packaging before each use to ensure it is not damaged or exposed to moisture.

verifiedApollotooltip

Bb Kast 4mg Tablet may interact with certain medicines, which can affect how well it works or alter its effectiveness. Inform your doctor about all prescription medicines, over-the-counter products, vitamins, and herbal supplements you are taking, including:

  • Phenobarbital and Phenytoin: These seizure medicines can speed up how your body breaks down Bb Kast 4mg Tablet, potentially making it less effective.
  • Rifampin: This antibiotic may lower the levels of Bb Kast 4mg Tablet in your blood, reducing its ability to control your symptoms.

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verifiedApollotooltip

No clinically significant food interactions are known with Bb Kast 4mg Tablet when used as directed.

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All Substitutes & Brand Comparisons

Habit Forming

No

Therapeutic Class

[RESPIRATORY STIMULANTS]

FAQs

Bb Kast 4mg Tablet is commonly used to treat asthma and seasonal allergies by reducing inflammation and allergic responses. It helps prevent breathing difficulties and relieves symptoms like sneezing, nasal congestion, and watery eyes.
Bb Kast 4mg Tablet contains a leukotriene antagonist, Montelukast. It works by blocking a chemical messenger (leukotriene) and reduces inflammation and swelling in the airways of the lungs. This makes breathing easier and prevents asthma attacks.
Although it is very uncommon, Bb Kast 4mg Tablet can cause mood changes (symptoms include anxiety, aggressive behaviour, irritability, and restlessness). Sometimes, you might feel depressed. Inform your doctor if you experience any of these symptoms.
Therapy with leukotriene receptor antagonists like Montelukast may worsen the symptoms of psychotic events in patients with a history of mental illness. Careful administration and monitoring are essential before taking Bb Kast 4mg Tablet in patients with neuropsychiatric disorders. Please consult your doctor before taking Bb Kast 4mg Tablet if you have been diagnosed or have a history of mental illness like depression, seizures (fits), etc.
Bb Kast 4mg Tablet is not a steroid. It belongs to a group of medicines called leukotriene receptor antagonists. It works by blocking certain chemicals in the body (leukotrienes) that cause swelling and allergy symptoms, helping to relieve them without using steroids.
Do not use Bb Kast 4mg Tablet to treat an asthma attack. Always use your reliever inhaler. Seek medical attention if you have any concerns.
Bb Kast 4mg Tablet controls the symptoms of allergic rhinitis but does not cure these conditions. Continue to take montelukast even if you feel well. Do not stop taking montelukast without talking to your doctor.
Avoid drinking alcohol while taking Bb Kast 4mg Tablet as it can worsen your side effects like drowsiness.
While specific dosing instructions will vary depending on your needs and medical history. Always follow your doctor's prescribed dosage and timing for taking these medications.
Individual needs may vary from person to person, so it should be used as directed by the physician. Your doctor may adjust the dose depending on the child's disease and age.
Bb Kast 4mg Tablet may cause changes in vision, so it is advisable to avoid driving or operating any machine that requires mental alertness.
Bb Kast 4mg Tablet contains Montelukast, a leukotriene receptor antagonist that blocks the action of leukotrienes, chemicals released in the body during allergic reactions and asthma. This helps reduce inflammation and swelling, relieving symptoms such as wheezing, shortness of breath, sneezing, and nasal congestion or a runny nose.
Yes, you can take Bb Kast 4mg Tablet with or without food. Taking it at the same time every day is what matters most for its effectiveness. Talk to your doctor or pharmacist if you experience any stomach upset.
No, you should not stop taking Bb Kast 4mg Tablet without consulting your healthcare provider first. Stopping the medication suddenly can cause your asthma or allergy symptoms to return or worsen. Talk to your doctor before making any changes.
Drowsiness is not a highly common side effect of Bb Kast 4mg Tablet, but some individuals may feel sleepy or dizzy. Pay attention to how this medicine affects you before driving or operating machinery. Talk to your doctor if drowsiness becomes a persistent problem.
If you have aspirin-sensitive asthma, you must continue to avoid aspirin and other nonsteroidal anti-inflammatory drugs (NSAIDs) while taking Bb Kast 4mg Tablet, as this medicine does not prevent attacks triggered by these pain relievers. Talk to your doctor or pharmacist about safe pain relief options.
While there is no strong evidence of harm, Bb Kast 4mg Tablet should only be used during pregnancy if your healthcare provider determines that the benefit outweighs the risk. Talk to your doctor if you are pregnant, planning to become pregnant, or breastfeeding.
The common side effects of Bb Kast 4mg Tablet may include diarrhoea, headache, abdominal cramps, flu-like symptoms, nausea, dizziness, and vomiting. Most of these side effects do not require medical attention and will resolve gradually over time. However, you are advised to talk to your doctor if you experience these side effects persistently.

Disclaimer

While we strive to provide complete, accurate, and expert-reviewed content on our 'Platform', we make no warranties or representations and disclaim all responsibility and liability for the completeness, accuracy, or reliability of the aforementioned content. The content on our platform is for informative purposes only, and may not cover all clinical/non-clinical aspects. Reliance on any information and subsequent action or inaction is solely at the user's risk, and we do not assume any responsibility for the same. The content on the Platform should not be considered or used as a substitute for professional and qualified medical advice. Please consult your doctor for any query pertaining to medicines, tests and/or diseases, as we support, and do not replace the doctor-patient relationship.

Reference

  1. MedlinePlus. A600014 Patient Information Monograph. Bethesda, MD: U.S. National Library of Medicine (NLM); 2025. [Accessed on 02 Jun. 2026]Check here
  2. National Health Service (NHS). Montelukast - NHS Medicines Reference Guide. London, UK: NHS; 2025. [Accessed on 02 Jun. 2026]Check here
  3. Drugs.com Clinical Review Team. Montelukast Clinical Drug Monograph. Auckland, NZ: Drugs.com; 2026. [Accessed on 02 Jun. 2026]Check here
  4. U.S. Food and Drug Administration (FDA). 021409S036Lbl [FDA Prescribing Information]. Silver Spring, MD: FDA; 2024. [Accessed on 02 Jun. 2026]Check here
  5. Montelukast sodium [EMC SmPC]. 2018. [Accessed on 25 Jan. 2019]Check here
  6. EMC. Montelukast. [Accessed on 27 Oct 2025]Check here
  7. Drugs and Lactation Database (LactMed) [Internet]. Bethesda (MD): National Library of Medicine (US); 2006-. Montelukast. [Updated 2025 Oct 27]Check here

Country of origin

India
Other Info - BB25367
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