Blood in urine and not eating

Question
I have a mini Dachsund and yesterday I noticed that she has blood in her urine and lasr night she wouldn't eat her kibble? Would it be a good thing to have tests done for her or is it she ate something bad and all this will pass?

Answer
Blood in the urine is due to a urinary tract infection, bladder stones or a bleeding disorder.  This is not due to something she ate and could progress to something even more serious without treatment.  She must get to the vet for a checkup. Take a urine specimen for analysis.  At minimum she will need antibiotics.