Post-Herpetic Neuralgia: Lingering Nerve Pain After Shingles
Shingles (herpes zoster) is a localized, painful skin rash caused by the reactivation of the
varicella-zoster virus—the same virus responsible for chickenpox. While the classic
blistering rash typically heals within two to four weeks, some individuals experience severe,
persistent pain that lingers in the same area for months or even years.
This chronic nerve pain condition is known as Post-Herpetic Neuralgia (PHN).
Why Shingles Causes Long-Term Nerve Pain
During a shingles outbreak, the dormant virus travels along sensory nerve fibers from the spinal
cord to the skin, causing intense inflammation. In cases that progress to post-herpetic neuralgia,
this viral infection causes permanent microscopic damage to the nerve fibers themselves.
Damaged sensory nerves can no longer transmit normal electrical signals. Instead, they fire
spontaneously and erratically, sending continuous, exaggerated pain messages to the brain even
after the skin rash has completely healed.
Key Symptoms of PHN
Post-herpetic neuralgia produces localized neuropathic pain along the affected nerve pathway
(dermatome), commonly on one side of the chest, back, neck, or face:
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Allodynia: Severe pain triggered by non-painful touch, such as clothing touching the skin, a cool breeze, or gentle pressure.
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Continuous Burning or Aching Pain: A constant, deep background pain that disrupts sleep and daily activity.
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Sharp, Electric Shock-Like Stabs: Sudden, unpredictable spikes of severe piercing pain.
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Altered Sensation: Persistent numbness, tingling, or intense itching along the affected skin band.
Interventional Care for Post-Herpetic Neuralgia
When topical treatments and oral medications do not provide sufficient relief, specialized
interventional pain management techniques can help calm inflamed nerve pathways:
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Epidural Steroid Injections: Delivering concentrated anti-inflammatory medication directly into the epidural space near damaged spinal nerve roots to soothe localized inflammation.
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Sympathetic Nerve Blocks: Targeted injections that interrupt sympathetic signaling to decrease burning pain and skin sensitivity.
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Pulsed Radiofrequency Ablation: Applying controlled electrical currents to damaged nerve pathways to disrupt errant pain signals without destroying nerve tissue.
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Peripheral Nerve Stimulation: Implanting temporary or permanent micro-leads along affected sensory nerves to deliver targeted electrical pulses that override pain signals.
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Book Online: Visit igeaneuro.com to request a comprehensive diagnostic consultation with our care team.
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Call Our Team Today: Speak directly with our dedicated patient care coordinators at (866) 467-1770.
