Logo American Journal of Case Reports

Call: 1.631.629.4328
Mon-Fri 10 am - 2 pm EST

Contact Us

Logo American Journal of Case Reports Logo American Journal of Case Reports Logo American Journal of Case Reports

06 March 2022: Articles

The Missing Link: A Case of Severe Adverse Reaction to Histamine in Food and Beverages

Unknown etiology, Challenging differential diagnosis

József Tamasi A* , Zsuzsanna Balla B , Dorottya Csuka B , László Kalabay * , Henriette Farkas *

DOI: 10.12659/AJCR.934212

Am J Case Rep 2022; 23:e934212

Table 3. Relevant laboratory tests in case of an adverse reaction to histamine found in food and beverages.

TestValueNormal range
Inter-attack tryptase levels4.8 µg/L, 6.3 µg/LUnder 11.4 µg/L
Plasma histamine levels3.3 nmol/L, 7 nmol/LUnder 9 nmol/L
Serum DAO concentration ELISA24.9 U/mL10–100 U/mL
Serum DAO activity12.5 IU/mL14–33 IU/mL
Total Cu levels13 µmol/L10–22 μmol/L
Pyridoxal-5-phospate (active form of vitamin B6)53.9 ng/mL14.5–45 ng/mL

Your Privacy

We use cookies to ensure the functionality of our website, to personalize content and advertising, to provide social media features, and to analyze our traffic. If you allow us to do so, we also inform our social media, advertising and analysis partners about your use of our website, You can decise for yourself which categories you you want to deny or allow. Please note that based on your settings not all functionalities of the site are available. View our privacy policy.

American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923