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Skin Necrosis occurs when the regular healthy skin
of the lizard begins to die.
There are two main causes of Skin Necrosis.
The first and more common cause is improper shedding.
If your lizard has a patch of dead skin on their body
for a long period of time, the skin underneath can not
breathe. This will eventually cause the skin underneath
to die. It will look black afterwards, and this area
of your lizard is actually 'dead.'
The second reason is abscesses on the skin.
Both of these reasons can be attributed to either improper
nutrition, improper lighting (make sure to use full-spectrum
UVB), or unhealthy living conditions.
The dead skin can be removed by giving your lizard a warm
bath. Soak the area of skin in water, which should loosen
the piece. It can then be removed. If it does not come
off, take your lizard to the vet. If an abscess
is the problem, the vet will inject it with a disinfectant,
and give the lizard an antibiotic salve.