Brain Inflammation in Dogs
Encephalitis in Dogs
The term “encephalitis” refers to an inflammation of the brain. However, it also may be accompanied by the inflammation of spinal cord (myelitis), and/or the inflammation of the meninges (meningitis), membranes which cover the brain and spinal cord.
German short-haired pointers, Maltese, and Yorkshire terriers are all found to be predisposed to encephalitis.
Symptoms and Types
Although symptoms may vary depending on the portion of brain affected, they typically appear suddenly and are rapidly progressive. Such symptoms include:
You will need to give your veterinarian a thorough history of your dog’s health, including the onset and nature of the symptoms, and possible incidents that might have precipitated the unusual behaviors or complications. He or she will then perform a complete physical examination as well as a biochemistry profile, urinalysis, and complete blood count -- the results of which will depend on the underlying cause of the encephalitis.
If your dog has an infection, the complete blood count may show an increased number of white blood cells. Viral infections, meanwhile, may decrease the number of lymphocytes, a type of white cells (also known as lymphopenia). And abnormal reduction in platelets (small cells used in blood clotting) is a good indicator of thrombocytopenia.
To confirm lung involvement and related complications, your veterinarian may employ chest X-rays, while MRIs and CT-scans are used to evaluate the brain involvement in detail. Your veterinarian may also collect a sample of cerebrospinal fluid (CSF), which is then sent to a laboratory for cultures. This is necessary for definitive diagnosis and to determine the severity of the problem. If culture assays are unsuccessful, a brain tissue sample may be necessary to confirm the diagnosis, but this is an expensive procedure.
Your veterinarian will focus on reducing the severity of the symptoms, such as brain edema and seizures, and halt the progression of the disease. Severe forms of encephalitis require immediate hospitalization and intensive care. For instance, those suspected of having bacterial infections will be given broad spectrum antibiotics, which can reach the brain and spinal cord.
Living and Management
With proper treatment and care, symptoms gradually improve within two to eight weeks; however, the overall prognosis depends on the underlying cause of the condition. For example, in some dogs, symptoms may reappear once treatment is discontinued. In such instances, a second round of treatment (or long-term treatment) may be required to save the dog's life.
Your veterinarian will schedule regular follow-up exams to evaluate the effectiveness of the treatment and the dog's state of health. He or she may even recommend a new diet for the dog, especially if it is frequently vomiting or severely depressed.
An inflammation of the bone marrow or spinal cord
The prediction of a disease’s outcome in advance
An in-depth examination of the properties of urine; used to determine the presence or absence of illness
A medical condition in which the meninges becomes inflamed
A decreased number of lymphocytic leukocytes in an animal’s blood system
A medical condition in which the pupils of both eyes are differently sized.
The collection of fluid in the tissue
a) living in an environment lacking free oxygen b) pertaining to an organism with the ability to live in an environment lacking free oxygen.
The term for the connective tissue around the brain and spine
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