the pathology is Nose infection--post nasal dripping of infected mucus--lung infection/ irritation ---reactionary broncho constriction / asthma
what you can do is---
1. if there is nasal infection
or cold take---
consult ENT specialist
and can give antibiotic , decogestant and saline nasal drops.
take care of reflux in her ie you can give like-tab. Lanzol junior(Lansoprazole
) once daily and syp.Domstal
2. Avoid dust, strong perfumes, strong smell.