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Poison Ivy/Poison Oak/Poison Sumac:

Contact with plants like poison ivy, poison oak, and poison sumac can cause a rash or skin irritation. It is the oil found in the plants that causes the rash. This oil is called urushiol.

After you come in contact with the oil, the itchy and blistering rash appears after 12 to 72 hours.

Most people see the rash go away in a few weeks. If you have a serious reaction, you need to see a dermatologist right away. A rash from poison ivy, oak, or sumac usually lasts 1 to 3 weeks. Most rashes go away without treatment.

It is important to know and understand what Poison ivy, poison oak, and poison sumac look like to avoid contact.

Poison Ivy

Poison Oak

Poison Sumac

  • Each leaf has 3 small leaflets.

  • Each leaf has 3 small leaflets.

  • Each leaf has a row of paired leaflets and another leaflet at the end.

  • It grows as a shrub.

  • It most often grows as a shrub.

  • It grows as a tall shrub or small tree.

  • It grows as a vine in the East, Midwest, and South of the United States.

  • It can grow as a vine in the Western United States.

  • In the Northeast and Midwest, it grows in standing water in peat bogs. In the Southeast, it grows in swampy areas.

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