How To Treat Cough During Pregnancy With History Of Small Airway Disease?

Hello,I was having small airway disease 2years back and i was fine after taking AVESSA 125 for 3 months. I was ok after that i stopped inhaling after 6 months.now i am 24 weeks pregnant and i am getting cough frequently since last 2 weeks. Cough is more in night time and from yesterday i am getting cough all the time.please suggest me what to do.