Spectrum, time course, stages, and a proposal for the diagnosis of histamine intolerance in general practice: A Nonrandomized, Quasi-Experimental Study - Supplementary material 1 and supplementary material 2 for "Spectrum, time course, stages, and a proposal for the diagnosis of histamine intolerance in general practice: A Nonrandomized, Quasi-Experimental Study"

File name: Supplementary material 1. All data.xls

Title of data: Questionnaire, all patients’ answers. Number of patient-doctor meetings with upper respiratory symptoms in primary care

Description of data: The administered questionnaires (first/initial and second/post-diet). All patients’ answers. Number of patient-doctor meetings 01.09.2021-27.09.2024. with upper respiratory symptoms in primary care.

File name: Supplementary material 2. Educational material and proposed questionnaire.doc

Title of data: Proposed questionnaire for histamine intolerance in primary care. Educational material for patients with histamine intolerance

Description of data: Proposed questionnaire for HIT in primary care. Educational material for patients to help establish cause-and-effect relationships between their meals and their experienced symptoms. Food-symptom diary.