Neuropathic Pain
This type of pain is caused by the destruction, infiltration or
compression of nerve tissue. Pain perception may continue in the
absence of persistent noxious stimulus. There are 2 sub-types often
differentiated by the characteristics used to describe them:
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a) Dysesthetic or deafferent pain (e.g. peripheral vascular
disease, peripheral neuropathy). This is a constant pain that
occasionally radiates and is often characterized by heat,
burning, numbness or tingling over the area. Light pressure
from non-painful stimuli (e.g. clothing or light touch) can
produce severe pain.
b) Neuralgic pain (e.g. post-herpetic pain, sciatica). This is
described as paroxysms of lancinating pain that can be
sharp, shooting or electrical in nature that can follow nerve
roots or dermatomes.
This type of pain is caused by the destruction, infiltration or
compression of nerve tissue. Pain perception may continue in the
absence of persistent noxious stimulus. There are 2 sub-types often
differentiated by the characteristics used to describe them:
8
a) Dysesthetic or deafferent pain (e.g. peripheral vascular
disease, peripheral neuropathy). This is a constant pain that
occasionally radiates and is often characterized by heat,
burning, numbness or tingling over the area. Light pressure
from non-painful stimuli (e.g. clothing or light touch) can
produce severe pain.
b) Neuralgic pain (e.g. post-herpetic pain, sciatica). This is
described as paroxysms of lancinating pain that can be
sharp, shooting or electrical in nature that can follow nerve
roots or dermatomes.
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