How Can Nasal Congestion And Anxiety Be Treated?

Hello, I use a sleep apnea machine, due to allergies I’m having nasal congestion, making it hard to use the machine because I’m having to breath through my mouth. It triggered an anxiety/ panic attack here it is almost 2 am here in Texas and I’m still up. I’m taking Levcetirizine 5 mg tablets already took, earlier I used my flounaise, I read drinking hot cup of tea or coffee....somewhat helped. Did I make it worse by using all the above oh and of course Vick’s