%0 Journal Article %T Drug allergy testing and oral challenge test protocol with metronidazole %A null %J Journal of Allergy and Clinical Immunology %D 2018 %R 10.1016/j.jaci.2017.12.506 %X Metronidazole is the representative of nitroimidazoles the only class of medicines that is used for treatment of Trichomonas vaginalis and also a drug of choice in other infections: amebiasis; giardiasis; anaerobic bacterial and treponemal infections. Types I, II, and IV hypersensitivity reactions to metronidazole have been reported in the literature. Development of comprehensive protocol with validation of non-irritant concentrations for skin testing and intradermal testing was an unmet need that we addressed in our centre. %U https://www.jacionline.org/article/S0091-6749(17)32406-5/abstract