Anxiety Support Group
Anxiety is a physical condition marked by intense and persistent feelings of distress, fear, angst or dread. General anxiety caused by routine day-to-day stresses usually passes quickly and is experienced by almost everyone at one time or another. However, such feelings that linger over time and are very difficult to cope with, and which lack a clear cause, may indicate...

Second, find what works to settle your stomach naturally, whether it be gingerale, toast, applesauce, banana, or something that your system can process naturally easily.
Third, keep a journal to help you find your usual pattern in the normal daily living activities.
You are not alone, best wishes.