Nasal congestion

I’m 11 weeks and 5 days today I’ve been having nasal congestion with nasal drip in the back of my throat making me gag and throw up dark Green mucus and no fever I’m going to invest in a humidifier also I’ve been having hot flashes like crazy I keep my house at 61° because if I get too hot I start getting nauseous I can’t even get in the car without throwing up morning sickness sucks but mine is all day any of y’all going through this?