5. 5 month pregnancy-nose congestion.

Hi... im 5 n half month of Pregnant im feeling dry nose n kind of sound from nose while sleeping... lil discomfort to breathe n having dry mouth n throat like im getting teeth mark on my tongue... though having enough water last month only under gone for sugar n thyroid test everything is nrml only... so today i have observed my nostrils in the mirror with a torch light inside right nostril there is bulge or mass kind of swelling in right wall of the right nostril without any pain so i tried breathing by closing my left nostril breathing was uncomfortable... is it a common symptom of pregnancy or any other problem please let me know...so that i can get proper treatment i was nt having this problem earlier facing it from last week.. if it is on of the  symptom of pregnancy what is the remedy to get rid of it ?