Face Nerve Paralysis in Cats
Facial Nerve Paresis/Paralysis in Cats
A dysfunction of the facial nerve (seventh cranial nerve) is medically referred to as facial nerve paresis. It is evidenced by paralysis or weakness of the muscles of the ears, eyelids, lips, and nostrils.
The cause of this disease is impairment of the facial nerve, or of the place where the nerves come together, and it affects the electrical impulses of the nerves involved. The facial nerve is affected, and sometimes the ophthalmic system as well, interfering with the function of the tear glands. Dry eye syndrome also accompanies the tear gland interference. Gender does not play a role, but long haired domestic cat breeds appear to be most likely to be affected.
Symptoms and Types
One sided facial nerve paresis:
Two-sided facial nerve paresis:
Central Nervous System
You will need to give a thorough history of your cat's health, onset of symptoms, and possible incidents that might have preceded this condition.
Your veterinarian will first determine whether the paresis is one sided or both sided, and will then look for other neurological signs. Unless your cat has had an ear disease, or other neurological deficits, the cause will be determined as unknown. Some of the causes that will be considered will be possible middle or inner ear disease; if your cat is lethargic and has a poor hair coat, a test for hypothyroidism will be done; if your cat is sleeping a lot and is displaying symptoms related to a brainstem disorder, a disease of the central nervous system will be considered.
A complete blood profile will be conducted, including a chemical blood profile, a complete blood count, and a urinalysis, although these are typically normal in the case of facial paralysis. Even so, there are some disorders that might account for the symptoms, such as an anemia, excessive production of cholesterol, or low blood sugar.
X-rays, computed tomography (CT) scans, or magnetic resonance imaging (MRI) may be used to detect the location of the problem. There are also other tests that can be used to evaluate tear production, motor nerve conduction speed, and for the detection of brainstem disease.
A type of paralysis that may be only slight; affects the way that an animal is able to move
A product made of fluid, cell waste, and cells
An in-depth examination of the properties of urine; used to determine the presence or absence of illness
A medical condition in which the ear becomes inflamed
A bundle of fibers that are used in the process of sending impulses through the body
Not being able to cause harm; the opposite of malignant.
The term for weakness of the muscles
A condition of the blood in which normal red blood cell counts or hemoglobin are lacking.
Anything having to do with the eye or care of the eye
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