Ethics approval and consent to participate
itching
This Project was approved by the Ethic Committee of Kerman University of Medical Sciences (IR.KMU.REC.1399.374) and was registered in Iranian Registry of Clinical Trials with the clinical trial number (IRCT20151107024919N10) on 30–09-2020. All the participants signed a written informed consent before their inclusion in this Project, and the participants were informed that they could withdraw from the study at any time, without affecting their care and treatment. All participants were informed that by removing auricular plasters, side effects such local itching can be reduced quickly. There was no ethical issue during the study and data collection. Moreover, they were ensured about confidentiality of information and all the data were analyzed anonymously, and clinical investigation was conducted according to the principles expressed in the Declaration of Helsinki and Committee on Publication Ethics (COPE).