Thanks for writing your query.
It seems that you are having Allergic Bronchitis
. You should avoid those products which increases your problem. Also prevent yourself from cold and dust.
LC contains montleukast and levocetrizine which helps in allergies. You can restart this medicine.
It is advisable that get following investigations done :-
1. Complete Blood Count
2. Absolute Eosinophil
3. Chest X-Ray Pa view.
Also get yourself examined by a physician and start bronchodilator
I hope this is useful to you.