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Unexpected cause of Kounis syndrome: hypersensitivity reaction to omeprazole

Erdem A, Çınar T, Kılıç Ş, Öztürk NB

BMJ case reports, 2023

3 citations

Abstract

Kounis syndrome is a rare type of acute coronary syndrome (ACS) that occurs as a result of an allergic or anaphylactic reaction. Kounis syndrome can be induced by various medications including antibiotics, proton pump inhibitors, antihypertensive medications, corticosteroids, and antineoplastic medications. Additionally, cases of Kounis syndrome associated with lansoprazole and pantoprazole have been previously reported in the literature. In this report, we present a case of Kounis syndrome associated with omeprazole use, and discuss the need for a high index of suspicion as it is often underrecognised.

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