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jackliam

complete guidence of neuropathic pain

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What is neuropathic pain ?
Pain induced by a lesion or malfunction in the nerve system is known as neuropathic pain. The pain is not caused by a noxious (pain-inducing) stimuli. Rather, the discomfort is caused by erroneous nervous system messages. Unlike physiologic pain, which serves to alert and protect people from potential or actual damage, neuropathic pain is useless.

Postherpetic neuralgia (pain after shingles), diabetic neuropathy, and pain following limb amputation are all instances of peripheral neuropathic pain.

Pain after a stroke; pain after a spinal cord injury are two examples of central neuropathic pain.

Neuropathic pain statistics
Chronic pain affects one out of every five Australians. Neuropathic pain will be present in many of these individuals, adding to their total pain condition. Over half of all individuals with persistent low back pain, for example, have a strong neuropathic component to their pain.

Neuropathic pain is associated with a number of risk factors.
The underlying source of the pain determines the predisposing variables for the development of neuropathic pain.
Development of shingles on the face, for example, is a predisposing condition for the development of post-herpetic neuralgia, and diabetes mellitus is a predisposing factor for the development of diabetic neuropathy.

Neuropathic pain progresses
The rate at which neuropathic pain progresses varies depending on the condition.

The signs and symptoms of neuropathic pain
Patients experiencing neuropathic pain sometimes describe it as "burning," "shooting," or even "electric." Strange sensations such as cold, numbness, tingling, pins & needles, or itching may accompany the pain in the afflicted region.
The following are some more frequent pain sensations:

Allodynia is pain caused by a normally non-painful stimuli.

Hyperalgesia is a term used to describe an excessive reaction to a painful stimuli (when a stimulus that normally produces moderate discomfort generates significant pain).

Hypoalgesia is a condition in which the body's reaction to a painful stimulation is decreased.

Hypoaesthesia refers to a loss of touch sense.

Abnormal yet non-painful sensations (such as tingling) are referred to as paraesthesia.

Dysaesthesia is an unpleasant, unnatural feeling that may occur spontaneously or in reaction to contact.

Hyperpathia is a term used to describe a heightened reaction to a painful input, particularly a recurrent painful stimulus, as well as an enhanced pain threshold.

Neuropathic pain is examined in a clinical setting.
A thorough neurological (nervous system) evaluation is required during a clinical assessment for neuropathic pain. This is done to see whether there are any regions of sensory alteration. Different sorts of stimuli are delivered to the skin (such as heat, cold, pinprick, and vibration), and the patient's reaction is recorded as normal, decreased, or raised. 

Clinical examination findings differ depending on the condition. Apart from indications of allodynia, hyperalgesia, and hyperpathia, an examination may be totally normal, or it may aid in determining the origin of neuropathic pain, such as signs of diabetic neuropathy or herpes zoster.

How can you know if you have neuropathic pain?
Investigations may be helpful in determining the underlying cause of pain, and they should be focused on suspected causes. Typically, blood tests are required.
In certain circumstances, electromyography and nerve conduction investigations may be beneficial.

Neuropathic pain prognosis
The prognosis varies depending on the kind of discomfort. Overall, though, neuropathic pain is notoriously difficult to manage.

Neuropathic pain is treated in a variety of ways.
Neuropathic pain is a tough condition to treat. The underlying source of pain should be addressed if at all feasible, however this is not always the case.
There are two types of treatment options: non-pharmacological and pharmacological.

Pain alleviation methods that aren't pharmacological
Exercise or other lifestyle adjustment techniques; Transcutaneous electrical nerve stimulation; Education, supportive counselling, and reassurance.
Pain alleviation pharmacological options
In neuropathic pain, the objective of pharmacological therapy is to reduce pain and enhance quality of life in patients with only one medicine.
Analgesics and drugs normally used to treat other disorders but useful in the treatment of neuropathic pain are the two types of pharmaceuticals used to treat neuropathic pain.

Analgesics
Many types of pain management that are normally successful for other types of pain, such as paracetamol, NSAIDs, and opioids, are frequently ineffective for neuropathic pain. However, since some patients react to basic therapy, a trial of paracetamol, aspirin, or another NSAID is suggested as the first line of pain management.

Opioids (such as morphine or oxycodone) may be tested as well. Treatment should start with modest dosages and then be gradually raised until symptomatic relief is obtained without causing severe side effects.

Anticonvulsants
Many anticonvulsant drugs (often used to treat epilepsy) have been tried and failed in the treatment of neuropathic pain.
Gabapentin is a relatively new medication that has undergone substantial research in the treatment of post-herpetic neuralgia, diabetic neuropathy, phantom limb pain, mixed neuropathic pain, spinal cord injury pain, and Guillain-Barre syndrome.

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