Were you looking for information on Montelukast? Montelucast is a common misspelling of montelukast.
Montelukast is approved to prevent asthma attacks (including those brought on by exercise) and nasal allergies. It can be given to children as young as six months, and comes in chewable and granule forms, which may be easier for young children to take. Common side effects with montelukast include flu, stomach pain, and headaches.
(Click Montelukast to read the complete eMedTV article. It describes in detail how the drug works, when and how to take it, and more.)