CASE REPORT
Recurrent Severe Angioedema Associated with Imidapril and Diclofenac

https://doi.org/10.2332/allergolint.C-08-61Get rights and content
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ABSTRACT

Background

Angioedema due to angiotensin-converting enzyme inhibitors (ACEIs) therapy occurs not infrequently and is sometimes associated with life-threatening conditions.

Case Summary

A 59-year-old woman presented with recurrent angioedema of the tongue complicated by upper airway obstruction which required endotracheal intubation. Laboratory tests including complement levels were normal. ACEI-associated angioedema precipitated by NSAIDs was suspected. Her condition improved after discontinuation of imidapril and diclofenac without other specific treatment.

Discussion

ACEIs, and in particular concomitant use with NSAIDs, should be avoided in patients with a history of angioedema because continuing administration tends to lead to more severe attacks.

KEY WORDS

angioedema
angiotensin-converting enzyme inhibitors (ACEIs)
diclofenac
imidapril
NSAIDs

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