Have you consulted your physician yet about this? I would recommend doing that first.
Have you ever been diagnosed with IBS?
no,wot is ibs and wot can cause ibs
Irritable Bowel Syndrome. The only reason I mentioned this is because you have a history of anxiety.
This could be other things as well. Recommend physician's appointment asap.
It depends where you live I do know that in The US this year many stomach virus issues look into any environmental programs in your area, in mine in the US we have a program that causes people to get sick from the chem trails .Google for info
Try getting off of gluten, which is anything containing wheat, such as pasta, breads, pizza, spaghetti, etc. It can make a big difference in how your stomach feels. Also, if you drink beverages with caffeine, try to eliminate that too. Let me know how this works for you :)