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Rash (Poison Ivy, Oak, Sumac)
Rash (Poison Ivy, Oak, Sumac) (an allergic contact dermatitis resulting from exposure to the sap of poison ivy, oak or sumac)

Emergent Care - Have you identified one or more of the following symptoms?
  • Difficulty breathing
  • Eyes, face or genitals are involved
  • More than 30% of body surface is involved
Yes No
Seek Immediate Medical Attention!
These symptoms can be life-threatening.


  • oil from the plants cause the rash (note: smoke from burning plants carries the oil)
  • 50 percent of people react and/or are sensitive to the plant
  • rash and blisters may develop within 2 days and lasts 7 - 10 days
  • fluid from blisters will not cause the rash to spread or be contagious to others
  • pets can carry the plant oil on their fur
  • an OTC product is now available which neutralizes the oil and can be applied before contact
  • Urgent Care - Have you identified one or more of the following symptoms?
    • signs of infection (red streaks, swelling, fever and/or discharge)
    • many large blisters
    • rash plus other symptoms of illness: generalized swelling, headache, fever
    • rash remains red and itchy after more than 2 weeks of self management
    Yes No

    Contact Your Health Care Provider.

    Self-Management - You can help in the following ways:
    • remove clothes and wash within 15 minutes of exposure
    • wash skin with soap and water as soon as possible (longer than 1 hour after contact is of little effect because the toxic oil has already penentrated into a deeper skin layer)
    • apply hydrocortisone cream (Cortaid, Hydrocort) as needed to relieve itching
    • do not apply hydrocortisone cream if blisters are open
    • take OTC antihistamine (Benadryl) as needed to relieve itching
    • apply cool wet compresses for 20 minutes 4 times per day to relieve itching
    • take baking soda baths to help dry blisters
    • do not scratch or break blisters


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    Call Your Health Care Provider If:

    You do not get better, new symptoms appear, you are concerned in any way or you have questions.