Is there a connection between taking daily low doses of NSAIDS and anaphylaxis?

I have been taking low doses of naproxin sodium on a regular basis for chronic back pain.

In the past month, I have had two anaphylactic reactions with an unknown cause. (I have an allergy to peanuts which causes this reaction, but I was not eating anything with peanuts in it when these two happened.)

Is there a correlation between taking naproxin and these reactions?

I came across this article but could not comprehend the entire gist of it due to my lack of knowledge of the scientific medical terms used.

What is this article saying in basic terms?