What Causes Swelling In Nostrils After Stopping Lexapro Intake?

I was on Lexapro for 10 yrs...with OCD...but tired of taking it and went off very slowly..till I was done. Now I have swollen areas inside my nose area..almost closed. I can breath good overall..no problems, but concerned and I seem to have skin sensitivity and scalp hair thinning...is this due to no Lexapro? My apt. air conditioner/heat is very strong, too.