Montelukast Viatris (Montelukast)
Complete patient guide for uses, dosage, side effects, and safety information
Quick Facts
What Is Montelukast Viatris Used For?
Montelukast Viatris is primarily used to prevent asthma symptoms and manage allergic rhinitis.
Primary Uses
It is used to prevent asthma symptoms during the day and night, and to prevent exercise-induced airway narrowing. It also treats symptoms of seasonal allergic rhinitis.
How It Works
Montelukast works by blocking leukotrienes, substances in the lungs that cause airway narrowing and swelling, thus improving asthma and allergic rhinitis symptoms.
Good to know: Montelukast is not addictive.
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How to Take Montelukast Viatris
Take Montelukast Viatris as prescribed by your doctor, typically at bedtime for asthma management.
Dosage Instructions
Adults and teenagers (15 years and older) should take one 10 mg tablet daily. Children aged 6 to 14 years should take one 5 mg chewable tablet daily, and children aged 2 to 5 years should take one 4 mg chewable tablet daily.
What If You Miss a Dose?
If you miss a dose, skip it and take your next dose as scheduled. Do not double the dose.
Important: Never take a double dose to make up for a missed one.
Available Tablet Strengths
Side Effects
Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.
Common Side Effects
These side effects occur relatively frequently and usually don’t require emergency care:
- Headache
- Dizziness
- Drowsiness
- Feeling unusually weak or tired
- Upper respiratory tract infection
- Bed-wetting in children
- Muscle aches or cramps
Seek immediate medical attention if you experience:
- Suicidal thoughts and actions
- Skin rash or itchiness
- Increased tendency to bleed or bruising
- Fast or irregular heartbeats
- Swelling of the lungs
- Symptoms of liver disease
Impulse Control Issues
Behavior and mood-related changes, including suicidal thoughts, have been reported in some patients taking Montelukast.
Important Warnings
There are specific conditions and situations where Montelukast Viatris should not be taken.
Who Should Not Take Montelukast Viatris
Do not take Montelukast if you are allergic to it or any of its ingredients, if the packaging is damaged, or if the expiry date has passed. It is not recommended for children under 2 years.
Medical Conditions to Discuss
Inform your doctor if you have any medical conditions, especially if your child has phenylketonuria due to aspartame in the chewable tablets.
Pregnancy and Breastfeeding
Montelukast has not been studied in pregnant women, and it is unknown if it passes into breast milk.
Elderly Patients With Dementia: Elderly patients should be monitored for mood-related changes.
Drug Interactions
Some medications may interact with Montelukast Viatris.
Alcohol & Driving
There are no specific warnings regarding alcohol consumption or driving while taking Montelukast Viatris.
Alcohol
No specific warnings about alcohol consumption were mentioned.
Driving and Operating Machinery
No specific warnings regarding driving were mentioned.
Temperature Regulation
No specific temperature regulation warnings were mentioned.
Storage
Store Montelukast Viatris in its blister pack in a cool, dry place below 25°C, away from light and out of reach of children.
Overdose Information
If an overdose is suspected, contact your doctor or Poisons Information Centre at 13 11 26 immediately, even if no symptoms are present. Symptoms of overdose may include thirst, sleepiness, and stomach pain.
Frequently Asked Questions
Montelukast Viatris may take several days to show its full effect in controlling asthma symptoms.
It does not matter if you take Montelukast Viatris before or after food.
No, Montelukast is not addictive.
Consult your doctor before stopping Montelukast, as it is important to continue taking it as prescribed.
There are no specific warnings about alcohol consumption while taking Montelukast Viatris.
Weight gain is not a commonly reported side effect of Montelukast Viatris.
Elderly patients should be monitored for mood-related changes while taking Montelukast.
Important Disclaimer
This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.
If you think you may have a medical emergency, call your doctor or emergency services immediately.