Antibiotics change and heart link. Body?

I had stomach upset all of sudden staying alone no took online consulting.dr gave O2 took same 29.10.25 evening next day morning. Next day morning 6 vomit went to MD since ibs patient he stop O2 started rifaximin and wbc 22800 .so did USG 31.10.25 evening ...went to MD again on 01.11.25 he stop rifaximin based on earlier culture of July which also had cystitis and acinetobacter bacteria gave doxyclinine and ofloxacin 400 which was sensitive in July culture so ask to stop rifaximin 400 after 5tablet taken and ask my urologist whom I consulted on 31.10.25 evening he told I am out of town so take zifi cv 200 which next day MD told to.stop after taking Two tablet since given.doxy1ldr forte and ofloxacin 400 Question: doctor changes antibiotics often without.full.course completion if antibiotics are shuffle and not stop base on doctor change to severe condition does it leads to.resistance or not ? And that resistance would be for uti infection bacteria or whole body?? Await reply Thanks