Hello and welcome to HCM.
Thank you for your query.
Let us first acknowledge that you have been experiencing recurrent UTIs. This is not normal unless you have some other underlying cause or are practicing poor general hygiene.
Once you return, or anytime you are free to get yourself examined, I would advise an ultrasound
of the abdomen and pelvis, to rule out any causes in the renal system that could be causing these recurrent UTIs. The presence of blood in the urine is also a sign of some underlying condition.
Now coming to your travel, yes this seems like a long travel, and could lead to a lot of discomfort or uncomfortable situations for you. If you are up for this, and think you can manage, then the best option would be to:
-Drink plenty of water (this will dilute your urine, reduce the burning sensation a bit, and prevent overall discomfort, but will lead to frequent urination
-Drink plenty of cranberry juice
You could also discuss adding a potassium chloride
based solution to your treatment regimen, this greatly helps.
I hope I have succeeded in answering your questions, you could write back to me anytime for further clarifications.