Risk factors
By Mayo Clinic staffSome people are extra-sensitive to the oil that causes poison ivy rash, and this tendency appears to run in families.
Outdoor occupations and hobbies can put you at higher risk for exposure to poison ivy, poison oak or poison sumac. Examples include:
- Farmers
- Foresters
- Landscapers
- Gardeners
- Firefighters
- Construction workers
- Cable or telephone line installers
- Auerbach PS. Wilderness Medicine. 6th ed. Philadelphia, Pa. Elsevier Mosby: 2011. http://www.mdconsult.com/books/page.do?eid=4-u1.0-B978-1-4377-1678-8..00063-5--s0055&isbn=978-1-4377-1678-8&uniqId=343851441-3#4-u1.0-B978-1-4377-1678-8..00063-5--s0055. Accessed July 3, 2012.
- Habif TP. Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 5th ed. Edinburgh, U.K.; New York, N.Y.: Mosby Elsevier; 2010. http://www.mdconsult.com/books/about.do?about=true&eid=4-u1.0-B978-0-7234-3541-9..X0001-6--TOP&isbn=978-0-7234-3541-9&uniqId=230100505-57. Accessed July 3, 2012.
- Prok L, et al. Poison ivy (Toxicodendron) dermatitis. http://www.uptodate.com/index. Accessed July 3, 2012.
- Poisonous plants. National Institute for Occupational Safety and Health. Centers for Disease Control and Prevention. http://www.cdc.gov/niosh/topics/plants. Accessed July 3, 2012.
- Outsmarting poison ivy and other poisonous plants. U.S. Food and Drug Administration. http://www.fda.gov/forconsumers/consumerupdates/ucm049342.htm. Accessed July 3, 2012.


Find Mayo Clinic on