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Updated: Aug 9, 2026

Rapid Evaluation of Toxicity of Chemical Compounds Using Zebrafish Embryos
Published on: August 25, 2019
Azalea toxicity: an overrated problem?
Abstract:
One-hundred-and-fifty-two azalea ingestions reported to two regional poison centers over a three year period are reviewed. Twenty-eight exposures were the result of sucking nectar from the flower; the remainder involved ingestion of leaves or flowers. Nine patients developed symptoms, but these were minor or probably unrelated in eight. A single patient was significantly symptomatic, experiencing repeated vomiting and transient hypertension. Emergency department treatment was rendered in 9.2% of patients, and hospital admission for less than 24 hours was required in only one case. Ingestion of moderate amounts of azalea pose little toxic hazard.
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