Are Rashes Contagious?

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Definition

Poison ivy, oak, and sumac are plants that commonly cause an allergic skin reaction. The result is typically an itching, red rash with bumps or blisters.


Considerations

Poison ivy is one of the most frequent causes of skin rash among children and adults who spend time outdoors. The plant can be found throughout the United States, except in the Southwest, Alaska, and Hawaii. It has three shiny green leaves and a red stem. Poison ivy typically grows in the form of a vine, often along...

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Is This Rash Poison Ivy?

Poisonplants

Know What Poison Ivy Looks Like Poison Ivy and Poison Oak have three leaflets with a longer middle leaf. Remember the saying, "When in three, let it be." Poison Ivy can grow as a vine or low shrub. Poison sumac can grow as a large bush or small...