Clostridial myonecrosis, haemolytic anaemia, hepatopathy, osteitis and transient hypertrophic cardiomyopathy after intramuscular injection in a Thoroughbred gelding.

[focal myositis]

A 9 -year -old Thoroughbred gelding was presented for swelling over the left neck and inappetence . There was recent history of intramuscular administration of flunixin meglumine into the left neck . On examination , there was evidence of focal myositis , anaemia , haemolysis and pigmenturia . Culture of aspirated fluid from the left side of the neck produced a heavy growth of a Clostridium species . Complications of infection included haemolytic anaemia , hepatopathy , osteitis and transient hypertrophic cardiomyopathy . Treatment included intravenous fluid therapy , antibiotics , anti-inflammatory drugs , blood transfusion and surgical debridement . There was complete resolution of clinical , haematological , biochemical and echocardiographic abnormalities , and the horse returned to ridden work . This report highlights the complications that can arise from clostridial myonecrosis , including the effect on the myocardium .

Diseases
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Diseases presenting "antibiotics" symptom

focal myositis

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