We found that treatment with anti‐IgE, anti‐IL‐5/R and anti‐IL‐4R while improving asthma outcomes, also all significantly reduced the symptoms of CRSwNP measured by SNOT‐20, supporting the “one airway concept” that assumes similar pathomechanisms in CRSwNP and asthma.7 This evidence concerns the gene IL4R and asthma.