Neuropathic Pain

Overview

Neuropathic pain is caused by damage or dysfunction of the nerves. It affects the somatosensory system, which is responsible for sensing touch, temperature, pressure, and pain.

Unlike typical pain from injury or inflammation, neuropathic pain comes from abnormal nerve signals. It can be chronic and may occur without an obvious trigger.

Urban Spine and Joint

Symptoms

Symptoms vary depending on the type of nerve involved but may include:

  1. Burning, shooting, or stabbing pain
  2. Tingling or “pins and needles” sensation
  3. Numbness or reduced sensation
  4. Pain from light touch (such as clothing or bedsheets)
  5. Muscle weakness or cramps
  6. Loss of coordination or balance
  7. Pain that worsens at night

In some cases, patients may also experience changes in sweating, temperature sensitivity, or digestion.

Causes

The exact cause of phantom limb pain is not fully understood.

Possible contributing factors include:

  1. Changes in nerve signaling after amputation
  2. Reorganization of the brain’s sensory pathways
  3. Previous pain in the limb before amputation
  4. Emotional factors such as stress, anxiety, or depression

Both the peripheral nerves and central nervous system are involved in the condition.

Diagnosis

Diagnosis is based on a medical history and physical examination.

Doctors may evaluate:

  1. The type and pattern of pain
  2. The condition of the residual limb (stump)
  3. Signs of infection or nerve-related issues

Tests such as blood work or ultrasound may be used to rule out other causes, such as infection or neuroma (nerve growth).

Treatment Options

Treatment focuses on reducing pain and improving quality of life.

Common treatment options include:

  1. Medications such as anticonvulsants, antidepressants, or pain relievers
  2. Nerve blocks to interrupt pain signals
  3. Physical therapy and rehabilitation

Additional therapies may include:

  1. TENS (transcutaneous electrical nerve stimulation)
  2. Mirror therapy or biofeedback
  3. Cognitive behavioral therapy

In more severe cases, advanced treatments such as nerve procedures or neuromodulation may be considered.