Octave

Since my first post was so long I'll make a summery:

I got sick in February with symptoms that last to this day, some symptoms shifting on and off.
From most persistent to least:
Frequent urination (Everything I drink passes through me most of the time)
On and Off Fatigue
IBS (soft stool/diarrhea, sometimes acute constipation)
Vision trails (mostly at night)
Easy to get a racing heart

My anxiety snowballs a lot because of these symptoms, making me a hypochondriac, more worried. I can't go a day without worrying about my health.
I think about stupid stuff like having a tumor or a failing organ.

I want advice, hear from people who have relative problems as me.