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Slide show

Slide show: Poison ivy and other summer skin irritants

By Mayo Clinic staff
 

Photo of poison ivy plant and rash

Poison ivy

Is your summer to-do list filled with outdoor activities? Be alert to possible summer skin irritants, such as poison ivy.

Poison ivy grows as vines or low shrubs in most climates. Each leaf on a poison ivy plant has three smaller leaflets. Contact with any part of the poison ivy plant can cause red, swollen skin, blisters and severe itching, usually within two days after exposure.

A poison ivy rash usually resolves on its own within one to three weeks. In the meantime, control itching with calamine lotion or hydrocortisone cream. Consult your doctor if you have a severe poison ivy rash or if the rash involves your eyes, face or genital area.

Poison oak and poison sumac cause a similar rash.

Next slide
References
  1. Poison ivy, oak & sumac. American Academy of Dermatology. http://www.aad.org/public/publications/pamphlets/skin_poison.html. Accessed Feb. 12, 2009.
  2. Averill KM, et al. Wild parsnip (Pastinaca sativa): A troublesome species of increasing concern. Weed Technology. 2007;21:279.
  3. Ragweed allergy. Asthma and Allergy Foundation of American. http://www.aafa.org/display.cfm?id=9&sub=19&cont=267. Accessed Feb. 12, 2009.
  4. Swimmer's itch. American Osteopathic College of Dermatology. http://www.aocd.org/skin/dermatologic_diseases/swimmers_itch.html. Accessed Feb. 12, 2009.
  5. Lyme disease. American Osteopathic College of Dermatology. http://www.aocd.org/skin/dermatologic_diseases/lyme_disease.html. Accessed Feb. 12, 2009.
  6. Prok L, et al. Poison ivy (toxicodendron) dermatitis. http://www.uptodate.com/home/index.html. Accessed Feb. 16, 2009.
  7. Sexton DJ. Clinical manifestations of Lyme disease in adults. http://www.uptodate.com/home/index.html. Accessed Feb. 16, 2009.
  8. Goldstein BG, et al. Tinea versicolor. http://www.uptodate.com/home/index.html. Accessed Feb. 16, 2009.
  9. Goldstein BG, et al. Approach to the patient with pustular skin lesions. http://www.uptodate.com/home/index.html. Accessed Feb. 16, 2009.
  10. Goldstein BG, et al. Approach to the patient with macular skin lesions. http://www.uptodate.com/home/index.html. Accessed Feb. 16, 2009.
  11. Riemann H, et al. Chigger bites. http://www.uptodate.com/home/index.html. Accessed Feb. 16, 2009.
  12. Polymorphous light eruption. American Osteopathic College of Dermatology. http://www.aocd.org/skin/dermatologic_diseases/polymorphous_light_eruption.html. Accessed Feb. 16, 2009.
  13. Allergic phytocontact dermatitis. In: Auerbach PS. Wilderness Medicine. 5th ed. Philadelphia, Pa.: Mosby Elsevier; 2007. http://www.mdconsult.com/das/book/body/120733452-3/805000478/1483/516.html#4-u1.0-B978-0-323-03228-5..50062-8--cesec12_3164. Accessed Feb. 16, 2009.
  14. Gibson LE (expert opinion). Mayo Clinic, Rochester, Minn. Feb. 23, 2009.
  15. Wild parsnip (pastinaca sativa). Minnesota Department of Natural Resources. http://www.dnr.state.mn.us/invasives/terrestrialplants/herbaceous/wildparsnip.html. Accessed Feb. 18, 2009.

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May 7, 2009

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