Feline Herpes Viral Conjunctivitis
Conjunctivitis is an
inflammation of the clear covering (the conjunctiva) which covers the white of
the eye and the inside of the eyelids. The cornea can also become cloudy or even
ulcerated. Conjunctivitis in cats is usually caused by the feline herpes virus
which, when contracted, exists primarily upper respiratory tissues and
conjunctivae. Humans can not contract feline herpes virus.
The most severe symptoms are experienced when the virus is first contracted.
This phase is resolved as the immune system contains the virus within the
trigeminal ganglion neuralogic structure. However, the symptoms may return from
time to time when the immune system becomes run down or is taxed.
Feline herpes infection is common in kittens weakened by fleas, poor nutrition,
or cold, etc. In kittens, the swelling of the conjunctivae can be so severe that
the eye may swell shut or even rupture. The herpes infection typically also
causes respiratory problems. As kittens mature, they will continue to have
conjunctivitis during periods when their immune system is weakened.
The primary treatments for feline herpes include topical antibiotics and
antiviral eye drops. Oral lysine is also used widely to treat feline herpes
virus. The herpes virus is highly dependent on the presence of the amino acid
arginine which is required for the virus to reproduce. When it is available, the
amino acid lysine is taken up by the virus in favor of arginine which suppresses
the ability to reproduce. Cat owners should only use lysine products intended
for felines such as
Vyralis with L-Lysine. Products formulated for humans may contain propylene
glycol as a preservative, which can cause reactions in the blood.
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