Ragweed oil dermatitis

Role of Dermal Sensitivity in Ragweed Contact Dermatitis

“…Vesicular or bullous dermatitis, as seen in contact dermatitis from mercurials or poison ivy, is rarely observed. 3. The clinical picture of chronic cases resembles atopic dermatitis.…”

Ragweeds (Ambrosiaspp.)—The Hay Fever Weeds

“…Both the plant and its pollen may produce a dermatitis in some people who may not suffer from hay fever (4). And ragweed oil dermatitis commonly affects male outdoor workers over 40 yr of age (15). The large amounts of airborne pollen shed by giant ragweed also is an important contributor to late summer hay fever (4).…”

Neomycin Sensitivity and Atopy

“…Jillson, Curwen and Alexander [17], as well as others [1,7,13,19], have observed that ragweed oleoresin contact derm atitis occurs frequently in atopies. Dobson [4] stated the same in regard to nickel contact derm atitis.…”