| Poison ivy, oak, and sumac contain an oil called urushiol (you-ROO-shee-all). When this oil touches the skin, many people develop an allergic reaction that causes a rash.
There are three ways to get this rash:
- DIRECT CONTACT
Touching a plant that contains urushiol.
- INDIRECT CONTACT
Urushiol can stick to almost anything. Touching a pet's fur, gardening tool, or sports equipment that contains urushiol can cause the rash.
- AIRBORNE CONTACT
Burning these poisonous plants releases particles of urushiol into the air. These airborne particles can land on the skin.
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