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Dermatitis 2019 May/Jun;30(3):183-190

Contact Dermatitis Institute, Phoenix, AZ.

Poison ivy, poison oak, and poison sumac are the most common causes of clinically diagnosed allergic contact dermatitis in North America. Approximately 50% to 75% of the US adult population is clinically sensitive to poison ivy, oak, and sumac. We reviewed the botany and history of these plants; urushiol chemistry and pathophysiology, clinical features, and the prevalence of allergic contact dermatitis caused by these plants; and current postexposure treatment and preventive methods, including ongoing investigations in the development of a vaccine (immunotherapy). Read More

Toxicol Appl Pharmacol 2011 Jul 27;254(2):148-53. Epub 2010 Oct 27.

EPA Office of Research and Development, 26 W. Martin Luther King Drive, Cincinnati, OH 45268, USA.

Data from the American Association of Poison Control Centers (AAPCC) and the Cincinnati-based Drug and Poison Information Center (DPIC) were analyzed to determine the incidence and trends of human plant poisonings since the year 2000. Approximately 3.4% of the approximately 4. Read More

Adverse Drug React Toxicol Rev 2001 Jun;20(2):89-103

Department of Surgery, Medical School, University of Newcastle upon Tyne, Newcastle upon Tyne, NE1 7RU.

Plants are of relevance to dermatology for both their adverse and beneficial effects on skin and skin disorders respectively. Virtually all cultures worldwide have relied historically, or continue to rely on medicinal plants for primary health care. Approximately one-third of all traditional medicines are for treatment of wounds or skin disorders, compared to only 1-3% of modern drugs. Read More

South Med J 1981 Apr;74(4):435-7, 443

Eastern poison oak, Toxicodendron toxicarium, is a nonclimbing shrub whose leaves have three leaflets. The leaflets with their numerous round lobes resemble somewhat the leaves of some oaks in the white oak groups. The plant grows in nutritionally poor, sandy soil, and especially in dry pine-oak woodland. Read More

S Afr Med J 1971 Feb;45(7):163-7

Arch Environ Health 1971 Feb;22(2):280-6

J Invest Dermatol 1970 Aug;55(2):94-100

N Engl J Med 1967 Jun;276(26):1484-6

J Am Pharm Assoc 1967 Feb;7(2):65-7

Med Sci 1964 Aug;15:31-41

J Allergy 1964 May-Jun;35:201-5

Vestn Dermatol Venerol 1963 Feb;37:51-3

AMA Arch Derm 1955 Nov;72(5):438-45