Hi, Patche, and welcome! I'm so glad you found us and joined in! You already have the answer to your question. There have been several on this forum that started the symptoms after surgery. For others, it has been a automobile accident, illness, or just a horrible time in their lives. Yes, stress does play a big part in all of this. So, try to relax and hopefully, as your body heals, the symptoms will settle down.
Meanwhile, we are here to help you. Don't hesitate to ask questions because we usually have someone that can answer it for you. Be sure to check out Fibro 101...the second thread on the forum. There are links to good information about fibro there and you will learn a lot, too.
I'm happy that you have joined our fibro family and I hope to hear more from you soon.
Sherrine