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Topical 0 . 025 % capsaicin in chronic post - herpetic neuralgia : efficacy , predictors of response and long - term course .
 Chemical: capsaicin; Disease: post - herpetic neuralgia
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: capsaicin; Disease: post - herpetic neuralgia