KNG1 and hereditary angioedema: Long-lasting swellings for ≥3 days (Question 8), severe abdominal attacks (Question 6), and swellings of the tongue (Question 7) were more frequent in the bradykinin-mediated HAE types, whereas a good response to antihistamines, corticosteroids or omalizumab (Question 10) and the presence of recurrent itchy wheals (Question 9) were mainly seen in CU.