{"id":6352,"date":"2023-03-14T16:12:00","date_gmt":"2023-03-14T15:12:00","guid":{"rendered":"https:\/\/choosingwiselyitaly.org\/?post_type=raccomandazione-prof&#038;p=6352"},"modified":"2026-06-05T18:52:30","modified_gmt":"2026-06-05T16:52:30","slug":"do-not-perform-food-intolerance-tests-except-for-those-scientifically-validated","status":"publish","type":"raccomandazione-prof","link":"https:\/\/choosingwiselyitaly.org\/en\/raccomandazione-prof\/do-not-perform-food-intolerance-tests-except-for-those-scientifically-validated\/","title":{"rendered":"Do not perform food intolerance tests except for those scientifically validated."},"content":{"rendered":"<p>The only validated diagnostic test is lactose breath-test for lactose intolerance. Others test such as VEGA-test, Cytotoxic test, serum specific IgG4 determination, hair analysis, intestinal permeability, salivary IgA, \u201cbioresonance\u201d techniques, fecal microbial analysis and fecal short-chain fatty acids are unvalidated, expensive and can lead patients to inappropriate and potentially harmful diets, with no benefit on their symptoms. The results of such tests may be inconsistent and there is lack of evidence to support their use in clinical practice.<\/p>\n","protected":false},"featured_media":6327,"template":"","meta":{"_wpv_contains_gutenberg_views":[""],"_layouts_template":["modello-per-raccomandazioni-professionista"],"_wp_page_template":["default"],"_wpml_word_count":["110"],"_edit_lock":["1780678300:2"],"_edit_last":["2"],"_wpml_media_featured":["1"],"_wpml_media_duplicate":["1"],"_wpml_location_migration_done":["1"],"_thumbnail_id":["6327"],"_yoast_wpseo_primary_eta":["96"],"_yoast_wpseo_primary_disciplina":["102"],"_yoast_wpseo_primary_tipologia":["132"],"wpcf-pacchetto":["AIGO #2"],"wpcf-bibliografia":["1. Gargano D, Appanna R, Santonicola A, et al. Food Allergy and Intolerance: A Narrative Review on Nutritional Concerns. Nutrients 2021;13:1638.\r\n2. Zingone F, Bertin L, Maniero D et al. Myths and Facts about Food Intolerance: A Narrative Review. Nutrients 2023;15:4969.\r\n3. Toca MDC, Fern\u00e1ndez A, Orsi M, et al. Lactose Intolerance: Myths and Facts. An Update. Arch Argent Pediatr 2022;120:59-66.\r\n4. Van Odijk J, Weisheit A, Arvidsson M et al. The Use of DAO as a Marker for Histamine Intolerance: Measurements and Determinants in a Large Random Population-Based Survey. 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