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Poison ivy, poison oak, and poison sumac are plants that can cause an allergic skin reaction. These poisonous plants contain an oil that can trigger the body’s immune system and produce a rash.

Poison ivy, oak, and sumac contain an oil called urushiol that causes an allergic skin rash. These plants can be identified by their leaf structure, though some non-toxic plants look similar. To avoid ...

Add Yahoo as a preferred source to see more of our stories on Google. Many plants are poisonous to humans and animals alike, which is why it’s important to spot them before it’s too late. As more ...

Summer is in full bloom and so are plants and weeds that can cause you harm. Outdoor enthusiasts, gardeners and just about everyone else should know about poison ivy, poison oak, poison sumac and ...

When you develop a rash on your body after spending time on the trails, it’s easy to point the finger at poison ivy. But poison oak also causes an intense, itchy red rash, making it tough to know what ...

Toxic and poisonous plants grow in Michigan, including giant hogweed, poison ivy, poison oak, wild parsnip, poison sumac and poison hemlock. Contact with the plants can cause skin irritation, blisters ...