Montelukast is a pill that blocks chemicals called leukotrienes, which can make your airways narrow and cause swelling. By stopping those chemicals, the drug helps people with asthma breathe easier and reduces sneezing, runny nose, and itchy eyes caused by allergies.
It’s taken once a day, usually in the evening, because the body builds up leukotrienes overnight. Some doctors also prescribe it for children who have frequent asthma attacks or for adults who need extra control beyond inhalers.
If you have:
talk to your doctor about trying Montelukast. The drug works well for many people, but it isn’t a rescue inhaler – you still need a fast‑acting inhaler for sudden attacks.
Kids as young as 12 months can use a chewable form, but dosage depends on age and weight. Always follow the prescription label and never double up if you miss a dose; just take the next one at the regular time.
People often ask, “Is Montelukast safe?” Most users experience mild side effects like headache, stomach upset, or a dry mouth. A small number report mood changes, sleep problems, or weird dreams. If you notice anything that feels off, let your doctor know right away.
Because of those mood‑related reports, the FDA now warns patients and caregivers to watch for depression, anxiety, or suicidal thoughts. It doesn’t mean you have to stop the drug, but you should be alert.
If you’re nervous about side effects or want a different approach, check out our article "6 Alternatives to Montelukast You Should Know About". It covers options like Zafirlukast, inhaled steroids, and even some over‑the‑counter antihistamines that might work for you.
Other practical tips:
In short, Montelukast can be a solid addition to an asthma or allergy plan, especially if inhalers alone don’t give enough relief. Use it as your doctor advises, watch for any unusual feelings, and keep the conversation open about alternatives if needed.
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