Thank you for your query.
Do not panic. Some medications are used for numerous purposes.
which is a bronchodilator
and is used for post viral bronchoconstrictive cough.
It is also used in asthma
but as a inhaler.
There is no co-relation of the use of this drug with development of asthma.
This use is temporary and symptomatic to give relief to your child.
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.