If you’ve been prescribed Montelukast, you may have seen a document called PBS – the Patient Brief Summary. It’s a one‑page cheat sheet that tells you why the drug was chosen, how to take it, and what to watch out for. Think of it as the fast‑forward version of a full prescription label. Below you’ll get the most useful bits from a typical PBS for Montelukast, plus practical tips you can apply right away.
Montelukast belongs to a class of medicines called leukotriene receptor antagonists. In plain terms, it blocks chemicals that cause airway swelling and mucus. That makes it a solid choice for people who have asthma that flares up at night or with exercise, and for those who suffer from seasonal or perennial allergies.
The PBS will list the main reasons your doctor might have chosen Montelukast: reducing asthma attacks, easing nasal congestion, and improving overall breathing comfort. It’s also approved for children as young as 12 months for allergic rhinitis, which means families often use the same pill for both kids and adults.
Most PBS sheets say to take Montelukast once daily, with or without food. The dose depends on age and the condition you’re treating. For adults with asthma, the standard tablet is 10 mg taken in the evening. Kids aged 2‑5 get a 4 mg chewable tablet, while those 6‑14 usually take a 5 mg chewable. The key is consistency – try to take it at the same time each day so your body gets a steady level of the drug.
If you miss a dose, the PBS says to take it as soon as you remember, unless it’s almost time for your next dose. In that case, just skip the missed one and continue your regular schedule. Don’t double‑up; that can raise the risk of side effects.
Montelukast is generally well tolerated, but the PBS notes a few side effects you should know. The most common are headache, stomach upset, and mild cough. These usually fade after a week or two. More serious reactions are rare but can include mood changes, vivid dreams, or allergic rash. If you notice any sudden mood swings or a rash that spreads, contact your doctor right away.
Because Montelukast can affect the liver, the PBS may recommend a basic blood test before you start and occasionally during long‑term use. Staying hydrated, eating a balanced diet, and avoiding alcohol can help your liver handle the medication better.
Another practical tip from the PBS: keep the medication out of reach of children, even if the dosage form is a chewable tablet. Store it in a cool, dry place; high heat can degrade the pill over time.
In summary, the PBS for Montelukast is a handy reference that packs the essential info you need – why you’re taking it, how to dose it, what to expect, and when to seek help. Keep the sheet nearby, read it when you get a refill, and you’ll stay on top of your asthma or allergy management without any guesswork.
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