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Results 1 - 4 of 4 for Quercus OR oak
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  1. Poison ivy, poison oak, and poison sumac rashes (dermatitides) are all allergic reactions to the oily resin called urushiol found on the leaves, stems, and roots of poison ivy, poison oak, and poison sumac plants. The reaction results in ...
  2. Poison oak rash on the arm. Several plants produce toxins that cause skin reaction. This is the appearance of poison oak dermatitis. Note the typical linear streaks produced either ...
  3. ... of a sensitive person's skin to poison ivy, oak or sumac. Contact with these plants, which contain ...
  4. Shingles: Signs and Symptoms (American Academy of Dermatology)  
    Shingles/Images ... Shingles ... If you have symptoms of shingles like a painful blistering rash, get immediate medical care. ... American Academy of Dermatology