I'm about seven weeks pregnant and I've been having this on and off wheezing and coughing at night for the past few weeks. Lately, it's been happening more often and it's really messing with my sleep. Sometimes I even struggle to breathe. I saw a physician who prescribed me Reswas, Cetrizine, and Drez gargle, but I've been on them for three days now, and it's not helping. What's going on? Should I be worried?