some people develop black spots or streaks instead of a reddish rash. "Poison ivy is not contagious. However, the part of poison ivy that causes allergic reactions [aka urushiol] can be spread on ...

"Edge the poison ivy-infested area and cover with black plastic for several months ... If you know what to look for, you can spot and remove poison ivy in your garden while the plants are still ...

When you’re spending time outdoors this summer, in your own yard or hiking in a park, it’s useful to know to spot poison ivy.

A poison ivy rash looks like a red blistering rash on exposed skin. The blisters can break and leak fluid, and they can also crust over and appear black or dark red. You should learn how to spot ...

Like poison ivy and poison sumac, poison oak releases an oil called urushiol when it sustains damage. Your skin absorbs this allergen when you touch the plant. You may be able to reduce symptoms ...