What is Post-Herpetic Neuralgia?
Post-herpetic neuralgia (PHN) is a painful condition that occurs as a complication of shingles (herpes zoster). It's characterized by persistent nerve pain that continues after the shingles rash has healed.
Key Facts
- PHN affects 10-20% of people who get shingles
- Risk increases significantly with age
- Pain can persist for months or years
- Early treatment of shingles may reduce PHN risk
Symptoms
Primary Symptoms
- Burning, constant pain
- Sharp, shooting sensations
- Extreme sensitivity to touch
- Itching and numbness
Affected Areas
- Usually occurs where the shingles rash was located
- Most commonly affects the torso
- Can occur on face, arms, or legs
Risk Factors
- Age over 50
- Severe initial shingles pain
- Extensive rash during shingles
- Compromised immune system
Treatment Options
Medications
-
Anticonvulsants
-
Antidepressants
- Tricyclic antidepressants
- SNRIs
-
Topical Treatments
- Lidocaine patches
- Capsaicin cream
Other Therapies
- Physical therapy
- TENS (Transcutaneous electrical nerve stimulation)
- Psychological support
Prevention
- Get the shingles vaccine (recommended for adults 50+)
- Seek prompt treatment if shingles develops
- Follow prescribed antiviral medication regimen
When to See a Doctor
- If pain persists after shingles rash heals
- When pain interferes with daily activities
- If current treatments aren't providing relief
Living with PHN
- Keep affected area protected
- Wear loose-fitting clothes
- Use stress management techniques
- Maintain regular sleep patterns
- Stay physically active as tolerated