Investigating Causes of Bloody Urine in Horses


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Bloody urine, or hematuria, is an alarming condition affecting horses and leading to serious health complications. Though various innocuous circumstances may cause the manifestation of hemoglobin in the weewee, it may also suggest more grave underlying ailments. Hence, it is essential for equine caretakers to be aware of the possible sources and to promptly look for veterinary care if they detect any evidence of blood in the urine of their steed. This article will explore the signs, causes, diagnosis, treatment, and prevention of bloody urine in horses.

What is Hematuria?

Blood in the urine, known as hematuria, may be caused by various factors, such as infection, irritation, trauma, and cancerous growth. It may also be due to particular medicaments or arise from desiccation. Sometimes, it might indicate an underlying pathology of greater concern, such as renal illness or vesical carcinoma. Additionally, horses may be more likely to experience hematuria if they suffer from an underlying condition such as recurrent equine uveitis.

Signs and Symptoms

Hematuria can be difficult to detect and may not be immediately noticeable. However, some signs of bloody urine in horses include dark or pink-tinged urine, foul-smelling urine, straining to urinate, discomfort or pain during urination, and decreased urination. In extreme situations, there may be apparent accumulations of blood in the pee. If any of these symptoms are noted, it is imperative to contact a vet promptly.

Furthermore, other less common indications of hematuria in horses may include decreased appetite, lassitude, general debilitation, and pyrexia. If the issue is grave, there may be visible aggregations of blood in the urine, or the horse may seem to be in discomfort or agony when voiding. Should any of these signs or symptoms be detected, promptly seeking veterinary aid is paramount.


To diagnose the cause of bloody urine in horses, veterinarians typically begin by performing a physical examination and taking a thorough medical history. This may be followed by urinalysis to analyze the urine for indications of contagion, redness, or other anomalies. Other diagnostic tests that may be obligatory encompass imaging such as radiographs or sonography, as well as blood tests and biopsies. The vet may also advise a urine civilization to verify if the urine encompasses any germs or other microorganisms.

Common Causes

Common causes of hematuria in horses include urinary tract infections, bladder stones, kidney infections, bladder cancer, and trauma. Furthermore, pharmaceuticals such as non-corticoid anti-inflammatory drugs (NSAIDs) can bring about hematuria as a secondary effect. Equines may be especially prone to hematuria if they are afflicted with a hidden ailment like equine reoccurring uveitis or if they are dried. Ultimately, equines may be more susceptible to hematuria if they have a hereditary inclination or are exposed to certain environmental toxins or contaminants.


Treatment of hematuria may differ depending on the source. For example, antibiotics may be prescribed to clear the infection in cases of infection. For bladder stones, surgery may be required to remove them. In cases of more serious conditions such as bladder cancer, treatment may involve chemotherapy or radiation therapy. In addition, supportive care such as fluids and dietary changes may be recommended.

Furthermore, it is essential to guarantee that the equine has access to copious amounts of pristine, new water to avert desiccation. Finally, suppose the horse accepts any medicaments. In that case, it is imperative to adhere to the directions given by the vet to guarantee that the horse is not in peril of any undesired reactions or consequences.


The best way to prevent hematuria in horses is to ensure that they receive regular veterinary checkups and that any underlying illnesses or conditions are promptly treated. Additionally, horse owners should maintain their horse’s overall health and well-being, including a balanced diet and plenty of exercises. Regularly cleaning the horse’s stall and surrounding areas can also help reduce the risk of infection. Finally, it is essential to guarantee that the equine has access to plenty of fresh water to anticipate parchedness. Ultimately, suppose the steed is taking any prescriptions. In that case, it is fundamental to follow the directions given by the vet to guarantee that the horse isn’t in danger of any unfavorable responses or symptoms.


In conclusion, hematuria is a serious condition with several underlying causes and should be monitored closely. It is important to seek veterinary care if any signs of bloody urine are observed in a horse. In addition, equestrians should undertake measures to keep their horse holistic vigor and prosperity, comprising of providing a healthy regimen and copious exercise, routinely purifying the horse’s enclosure and contiguous areas, and guaranteeing that the horse has the availability to copiousness of unsoiled, refreshing water to avert desiccation. By taking these preventive measures, horse owners can help to reduce the risk of hematuria and other serious medical issues.


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