Poison Ivy, Oak, or Sumac: Other Plants That Cause a RashTopic OverviewPoison ivy, oak, and sumac are not the only plants that can cause rashes. Rashes from urushiolSome plants contain urushiol, the same oil found in poison ivy, oak, and sumac. Or they may contain a substance that is enough like to urushiol to cause a similar rash. Contact with these plants can make you allergic to urushiol. As a result, you will get a rash upon contact with poison ivy, oak, or sumac, even if you never had contact with it before. These plants include:
Rashes from irritant plantsIrritant plants may cause a rash where they come into contact with the skin. Unlike with poison ivy, oak, or sumac, you do not have to be allergic to the plant to develop a rash. Irritant plants include:
Rashes from plants and sunlightCertain plants have a chemical that sunlight converts into an allergen . Some people who touch these plants and then go into the sun have an immune system reaction similar to a poison ivy, oak, or sumac rash (allergic contact dermatitis ). The rash only develops in areas exposed to sunlight. These plants include:
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ByHealthwise Staff Current as ofOctober 5, 2017
Current as of: October 5, 2017 Author: Healthwise Staff Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine & Martin J. Gabica, MD - Family Medicine |
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