Aside from the occasional flank or lower back pain caused by a sudden clot in the major veins to the kidneys, RVT produces few symptoms.
Infants and young children experiencing dehydration induced RVT, may experience dehydration symptoms (dry mouth, low urine output, loss of skin turgidity) as while as vomiting, nausea and fever, and the usual RVT symptoms like flank pain, blood in the urine, anaemia, edema, enlarged kidneys and kidney failure [REF].