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 ...

Occasionally, people develop black spots or lines on their skin. Doctors call this black-spot poison ivy dermatitis. Learn more about what a poison ivy rash looks like. These medications are most ...

In black-spot poison ivy dermatitis, a black lacquerlike substance forms on the skin when poison ivy resin is exposed to air. Although the Toxicodendron group of plants is estimated to be the most ...

We have several acres covered with poison ivy. Unfortunately, the ivy keeps spreading. Store-bought remedies as well as ...

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 ...