This study found that subcutaneous administration of Botulinum toxin type A significantly reduced histamine-induced itch intensity and neurogenic inflammation in human skin compared to saline.
61 citations
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October 2011 in “Experimental dermatology” This review discusses the neurobiology and proposed mechanisms of scalp itch, but it does not report new clinical findings, highlighting the need for further research in this area.
September 2025 in “PubMed” In this study, auricular electrostimulation effectively relieved dextran-induced pruritus in mice, comparable to loratadine treatment, and is attributed to down-regulating the H1R/TRPV1 signaling pathway and reducing inflammatory cells in the skin.
5 citations
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June 2015 in “British Journal of Dermatology” This article discusses the role of lysophosphatidic acid-induced histamine release in generalized pruritus among patients with primary sclerosing cholangitis and reports no new clinical results.
70 citations
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February 2016 in “EMBO reports” This study identified a subtype of itch-sensing neurons in mice, which express Ret and somatostatin, and found that their ablation reduces scratching induced by certain pruritogens.