Red Urine - Some Unusual Causes

Hematuria can be presenting complaint for a variety of disorders of the urinary tract. The problems causing hematuria can range from relatively minor disorders to more severe disease processes that may result in life-threatening hemorrhage. Urolithiasis, urinary tract infection, drug toxicity, and neoplasia are some of the more common causes of hematuria. For this presentation, three less commonly recognized causes of hematuria are described: i) exercise-associated hematuria, ii) proximal urethral tears in stock type horses, and iii) idiopathic renal hematuria. […]