[Strong and Deficient Evidence in Drug-Treated, Non-Tumorous Diseases in ENT].

While many high quality studies are available for the specific immunotherapy of the allergic rhinitis and limited for the angiotensin-converting enzyme inhibitor induced angioedema available, the evidence is very low for Ménière's disease or for the medicinal treatment of post-surgery laryngeal edema. This paper discusses the study data and evidence of the respective diseases.