PruritusPolycythemia VeraPolycythemiaAntipruriticsPruritus AniThrombocythemia, EssentialJanus Kinase 2Pruritus VulvaePrimary MyelofibrosisMucunaMyeloproliferative DisordersThrombocytosisErythropoietinPipobromanErythroid Precursor CellsPhlebotomyErythropoiesisReceptors, ErythropoietinEmollientsHematocritReceptors, ThrombopoietinUremiaBloodlettingDermatitis, AtopicVon Hippel-Lindau Tumor Suppressor ProteinHistamine AntagonistsHistamineHematopoiesis, ExtramedullaryGranulocytesErythrocyte VolumeSomatostatinomaRussiaHomozygoteThrombosisSkin DiseasesMutationGPI-Linked ProteinsHydroxyureaMutation, MissenseCholestasis, IntrahepaticAnalgesia, EpiduralPhototherapyAnalgesics, OpioidUbiquitin-Protein LigasesPrurigoAmino Acid SubstitutionIsoantigensDrug EruptionsCholestasisRenal DialysisSkinCyanosisErythroid CellsAnalgesia, ObstetricalPlatelet CountChronic DiseaseColony-Forming Units AssayHistamine H1 AntagonistsMegakaryocytesAdministration, TopicalMorphineParagangliomaErythrocyte IndicesBone MarrowPsychophysiologic DisordersHistamine H1 Antagonists, Non-SedatingCapsaicinLeukocytosisErythrocyte CountHeterozygoteBudd-Chiari SyndromeButorphanol