Welcome back to Heathcare Magic Physician's Desk!
is a rare possibility because it is not so sudden and does not lead to that much involvement in short span of time.
I think you are an anxious type of person and excessive preoccupation with your health is the root cause behind all these symptoms.
Still you should get it ruled out and also get a review from a psychiatrist
just to get an evaluation.
Wish you a great health!