Transient renal tubulopathy in a Labrador retriever

A four-month-old male Labrador retriever was presented for polyuria, polydi psla and persistent euglycaemic glucosurla. On referral, diagnostic tests d emonstrated abnormal fractional excretions of electrolytes, Increased urina ry excretion of selected amino acids, mild renal tubular acidosis and mild proteinuria, Indicating renal tubular dysfunction. Pyelonephritis was suspe cted and potentiated amoxycillin was administered. On re-evaluation at six months of age, the dog was no longer polyuric or polydipsic and the metabol ic abnormalities associated with the tubulopathy had resolved. Transient Fa nconi's syndrome has not previously been reported in small animals. This re port demonstrates the potential for recovery of function In cases presentin g with renal tubulopathies.