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Poison ivy, oak, and sumac are not the only plants that can cause rashes.
Some 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:
Irritant 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:
Certain 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:
ByHealthwise StaffPrimary Medical ReviewerWilliam H. Blahd, Jr., MD, FACEP - Emergency MedicineSpecialist Medical ReviewerH. Michael O'Connor, MD - Emergency Medicine
Current as ofFebruary 20, 2015
Current as of:
February 20, 2015
William H. Blahd, Jr., MD, FACEP - Emergency Medicine & H. Michael O'Connor, MD - Emergency Medicine
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