## Overview Nephrolithiasis is the formation of stones, usually calcium carbonate, within the kidney. It is less common than bladder stones in horses. Signs include recurrent colic, blood in the urine, and weight loss. Ultrasound detects the stones. ## Causes Mineral precipitation in the kidney, sometimes related to infection or metabolic factors. ## Diagnosis Ultrasound of the kidneys, urinalysis showing blood or crystals, and clinical signs. ## Treatment Surgical removal is difficult. Medical management of pain and any infection. Some stones are monitored if asymptomatic. Prognosis is guarded for symptomatic cases. ## Recovery and Prognosis Guarded. Complete resolution is uncommon. ## Prevention None proven.
recurrent colic; blood in urine; weight loss; stones visible on ultrasound
## Overview Nephrolithiasis is the formation of stones, usually calcium carbonate, within the kidney. It is less common than bladder stones in horses. Signs include recurrent colic, blood in the urine, and weight loss. Ultrasound detects the stones. ## Causes Mineral precipitation in the kidney, sometimes related to infection or metabolic factors. ## Diagnosis Ultrasound of the kidneys, urinalysis showing blood or crystals, and clinical signs. ## Treatment Surgical removal is difficult. Medical management of pain and any infection. Some stones are monitored if asymptomatic. Prognosis is guarded for symptomatic cases. ## Recovery and Prognosis Guarded. Complete resolution is uncommon. ## Prevention None proven.
recurrent colic; blood in urine; weight loss; stones visible on ultrasound