The first indications of dachshund kidney issues signs of problems in Dachshunds may be increased thirst and urination, loss of appetite, halitosis, vomiting, loss of weight, and lethargy. In other cases, changes in urinary behavior may be seen, such as excessive amounts of urine being passed and, in extreme cases, very little urine being passed. These symptoms can be very easy to miss out on at first, but must be identified early because Kidney disease comes quietly.