Allergist. HAE is a rare genetic disorder with a family hist 75% of the time. There have been 6000 pts in the USA diagnosed. 25% of pts have a new genetic mutation therefore no family history. Allergists almost always treat this disorder but only a small percentage are experts. Treatment should be in association with an expert. Contact the HAEA for an expert in your region.
This website helps. http://www.haea.org/guide/patients/.