I have gone through your medical history and understood your concerns.
The pain you are having might be related to gastritis
or ulcer aggravation due to antibiotic use (doxycycline). You can ask your doctor to start PPIs (omeprazole
, etc.) to ease your stomach complains.
I also advise to start taking probiotics to regulate intestinal flora.
Once again, get your stomach and bladder infections re-evaluated by your physician.
Hope it helped!