A Narrative Review of Placebo and Nocebo Effects on Itch

There is limited information available on the evaluation of placebo or nocebo effects itch. The present study developed a search strategy using PubMed to evaluate literature related and/or identified 65 articles. After independent review each article, 10 studies were selected for inclusion. These varied, in terms methods and outcome measures. Overall, verbal suggestion, conditioning, topical therapies led Further understanding mechanisms suggestion conditioning can open doors development therapeutic strategies that could ameliorate improve itch patients.