... Hereditary angiodema: a current state -of- the- art review, VII: Canadian Hungarian 2007 International Consensus Algorithm for the Diagnosis, Therapy, and Management of Hereditary Angioedema. AnnAllergy ... non-steroidal anti-inflammatory drugsor angiotensin-converting enzyme (ACE) inhibitors, anyhistory of urticaria or laryngeal edema, any drug aller-gies, or any family history of angioedema. He had ... mutations in the C1-INH gene [1]. In classic HAE, abdominal attacks are mostly charac-terized by pain, vomiting and diarrhea, but rarely occur in the absence of other clinical features. These symp-toms...