Who is at highest risk of sunflower-caused allergic contact dermatitis?

Updated: Jun 10, 2021
  • Author: Glen H Crawford, MD; Chief Editor: Dirk M Elston, MD  more...
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These flowers probably originated in Mexico, but they are now grown worldwide for their seeds and oil.

An occupational allergic contact dermatitis is often found in individuals who harvest this flower. The major allergen is known as 1-0-methyl 1-4,5-dihydroniveusin A. The pollen is said to be a minor allergen. Trichomes, or small hairs, on the surfaces of the leaf secrete the allergens. Windblown trichomes from dry plants can cause airborne contact dermatitis. [10]

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