Medically reviewed by Keri Peterson, MD Key Takeaways Poison ivy, poison oak, and poison sumac have oils that cause itchy ...

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 ...

If you were a Girl Scout or a Boy Scout, you probably heard the adage "leaves of three, let them be" to deter you from getting poison ivy rash. And, while it is true that a poison ivy leaf contains ...

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. Weeding your backyard in Texas can be dangerous work. A North Texas woman wrote a caution to residents in a Facebook group and ...

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 ...

Poison ivy, poison oak and poison sumac can make for an uncomfortable summer or fall. If you have ever experienced the blisters, swelling and intense itching of even the briefest of encounters, then ...

With the first greens of spring starting to peak out, it’s time to start thinking about poisonous plants once again. There are many ways to think about what makes a plant poisonous — poisonous to ...