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.

A rash from poison ivy, poison oak or poison sumac is caused by an oil found in these plants called urushiol. When this oil touches your skin, it often causes an itchy, blistering rash. Most people ...

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 ...

If you have a red rash on your hands, arms, or legs that's accompanied by intense itching, you may have had a brush with poison ivy. Here’s what to do if you think you’ve been exposed to the ...

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 ...

This is especially true of a small rash that will not go away. Contact dermatitis usually starts as raised red spots. It can change to blisters, as in poison ivy. The rash is itchy. Contact dermatitis ...

Poison ivy oil can spread quickly and easily (just like poison oak does). Poison ivy rash can spread from clothes, skin ...

But often, the culprit is poison ivy. Every parent should know what poison ivy looks like—the plant and the rash. Poison ivy ...

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 ...

Browse 270+ poison ivy plant stock illustrations and vector graphics available royalty-free, or search for poison ivy rash to find more great stock images and vector art. Poison ivy vector ...

Jewelweed contains a chemical that is said to help improve itching and rash after you touch poison ivy, but there is limited scientific information to back these claims. Jewelweed contains a ...

Considering taking supplements to treat poison oak and poison ivy dermatitis? Below is a list of common natural remedies used to treat or reduce the symptoms of poison oak and poison ivy dermatitis.