What causes purpura Hemorrhagica?
Purpura hemorrhagica is an immune mediated condition caused by vasculitis, or an inflammation of the blood vessels. This causes bleeding and swelling and is believed to be an allergic reaction to a previous infection of any streptococcal bacteria, such as strangles, or a virus.
What is a hemorrhagic purpura?
Hemorrhagic purpura is an acute or chronic disease characterized by a marked decrease in the number of blood platelets, spontaneous hemorrhages from mucous membranes and purpura.
What type of hypersensitivity is Purpura Hemorrhagica?
Purpura hemorrhagica is an uncommon acute type III hypersensitivity (immune complex) disease in horses characterized by edema of the head and limbs; leukocytoclastic vasculitis; petechial hemorrhages in mucosae, musculature, and viscera; and sometimes glomerulonephritis.
What are bastard strangles?
Metastatic strangles (sometimes called “bastard strangles”) is a condition in which lymph nodes in other parts of the body, such as the abdomen and chest, are affected. The diagnosis of strangles is confirmed by bacterial culture of secretions from abscesses or nasal swab samples.
How do you treat Purpura Hemorrhagica?
Treatment. A veterinarian usually starts the horse on dexamethasone, a corticosteroid, which eases the immune reaction. In addition, antibiotics will stop any other respiratory infections and prevent further infections. The disease is often mild and the horse recovers well.
How is Purpura Hemorrhagica diagnosed?
Diagnosis. Diagnosis of purpura hemorrhagica is typically based on the results of skin biopsy evaluation, a history of recent respiratory infection or vaccination, relevant clinical signs, and the absence of other causes of vasculitis.
How do you treat purpura Hemorrhagica?
What is strangle in horses?
What is strangles? Strangles is an infection caused by bacteria called Streptococcus equi. It is highly contagious and the infection can be spread by horse-to-horse contact or by humans, tack, drinking troughs and other environmental factors.
What is glanders virus?
Glanders is an infectious disease caused by the bacterium Burkholderia mallei. Glanders is primarily a disease affecting horses, but it also affects donkeys, mules, goats, dogs, and cats.