vet recommendations

Hi all, My 3 year old Gerdie went to vets on Monday with blood in her wee, she's on a 7 day course of enrocare but we've now completed day 4, and there's still blood in her urine. Does anyone with experience of simple cystitis know whether this should have resolved by now? I'm really worried...

Not sure if this is the right area to post this in. I looked and thought this would fit best. I know this is an UK based forum, however I’m sure there are Guinea owners on here that are from the us as well. I’ve been having issues with Penelope’s dental problems. She just had a procedure on...