The evaluation of<unk>  angioedema usually prompts an investigation into the underlying cause. As mentioned in the causes section, malignancy or autoimmune disorders are the more common causes, which must be further explored and considered for treatment if found in an individual. Prognosis depends on the underlying disorder, which may be found at the time of initial diagnosis or through ongoing monitoring. Additionally, successful treatment of the underlying disorder has been observed in some cases to resolve<unk>  angioedema from partial to complete remission.
Acquired C1 esterase inhibitor deficiency
Hereditary angioedema
Terminal complement pathway deficiency
Type IV hypersensitivity
IgG4-related skin disease
Complement 3 deficiency
Type III hypersensitivity
Complement 2 deficiency