Thank you for your query.
IGE is an indirect method of measuring allegy.People having high allergic level are prone to more attacks of cold
.Monteleukast if given for a long durations decreases this allergic tendency to some extent.There are no documented side effects of this drug.
Consult your doctor if the problem persists.
If you have any further queries you are free to consult me.
Hope this answers your query.
Wishing a speedy recovery.
Have a nice day.