Abstract
Postherpetic neuralgia usually merges with the pain of acute shingles. 1 Kost RG Straus SE Postherpetic neuralgia—pathogenesis, treatment, and prevention. N Engl J Med. 1996; 335: 32-42 Crossref PubMed Scopus (540) Google Scholar Occasionally, however, neuralgia develops after a lengthy pain-free interval. 2 Dworkin RH Portenoy RK Pain and its persistence in herpes zoster. Pain. 1996; 67: 241-251 Summary Full Text PDF PubMed Scopus (326) Google Scholar This report of four patients seen over 2 years suggests a possible trigger.
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