I am 29 with 165cms height and 66.4Kg. I am 15 weeks pregnant. This is my first pregnancy. For the last two weeks I am having frequent cough. I have taken medicines like Alceff-250, Zecuf syrup, Krishna Thulasi cough syrup under medical prescription. The cough has reduced slightly but its not curing completely. Will that be be because of esnophilia? If so, can it be cured now? What will be the safest medicine during pregnancy? I am allergic to dust. Also sensitive to cold climate.