I think being frustrated is natural – no one opts into having a new cute pet and being plagued with vet visits. I think I mentioned in a previous topic of yours or a similar case that it took 5 months of treatment for my Wick’s URI, which we started tx when we got him at 8-9wo. Exact same situation as you in that I was really frustrated that my experiences with my rabbit starts with essentially weekly vet visits and two to three medication administrations per day. It sucks, but unfortunately that’s the card I drew.
It is not unusual to cycle thru a few meds for a URI to try and find the one that works. I know it’s frustrating and expensive. Is he severely impacted by this URI? How are his appetite and energy? If not, it might be helpful for you to remember that he’s not necessarily suffering significantly at this point from it. Yes it’s frustrating that he’s still experiencing symptoms, but if all else is doing OK, then he is probably doing OK even if tx isn’t working yet.
The answers provided in this discussion are for general guideline purposes only. The information is not intended to diagnose or treat your pet. Seek the advice of your veterinarian or a qualified behaviorist.