The medical term for this condition is black-spot poison-ivy dermatitis. It takes time for the rash to appear. A rash can develop in a few hours if you’ve had a rash from one of these plants before.

The key to living peacefully with, and even enjoying poison ivy, is to learn to recognize it and admire it from afar.

Source: Focus Medica. A condition in which skin rashes develop on the body when contacted with a plant called poison ivy. Caused by the sap of plants containing irritant called urushiol.

Leaves of three — let them be! You've probably heard that little rhyme about poison ivy, the plant that can cause an itchy rash. But do you know why? It's because of urushiol (say: yoo-ROO-shee-ol), a ...

The most common causes of ACD are the plants of the Rhus genus, poison ivy (toxicodendron radican), poison oak (toxicodendron quercifolium and toxicodendron diversilobum), and poison sumac ...

Poison ivy grows throughout North America, especially in wooded areas, and touching it can give most people an itchy rash. Therefore, identifying and avoiding the plant is crucial if you don't ...

Poison ivy can turn beautiful colors in the fall. But it can still make you itch. (Lisa Meyers McClintick/For the Minnesota ...

As more people venture outside to enjoy warm weather, knowing how to identify and avoid poison oak could help to avoid a future of headaches and itchy red rashes ... with poison ivy, but the ...

Numerous people tend to develop an itchy rash after coming into contact with poison ivy, which is a plant that contains an oil called urushiol. This oil resides in the leaves, stems, and roots of ...

But did you know that the plants poison ivy, poison oak, and poison sumac all contain the same rash-causing substance? It's called urushiol (pronounced: yoo-ROO-shee-ol), a colorless, odorless oil ...