IGHE and asthma: There were no significant correlations between baseline 15‐oxo‐ETE, 15‐HETE, LTE4 levels in ISS and the demographic (age, sex, BMI), clinical (age of asthma onset, asthma duration, Mini‐AQLQ score, ACQ‐7 score, ACT score, asthma severity based on GINA 2022, inhaled corticosteroid dose, skin prick test results, baseline FEV1, CRSwNP, number of sinonasal surgeries), biochemical (total IgE in serum), blood eosinophils, and sputum cytology (neutrophils, lymphocytes, basophils, and macrophages) characteristics of patients in any of the study groups.