I have had similar experiences. Sometimes to touch a piece of my clothing was quite painful.
I shall follow the answers to this question with interest because all I could do was wait until it went away. Perhaps someone can provide a solution.
I use the button when I feel that it us a question the answers to which will prove especially helpful to myself.
I cannot judge whether a question is generally helpful to all members.
I do not use the button for questions which are just interesting.