Poison oak is similar in appearance to poison ivy but is usually found as a shrub rather than a vine. It can have clusters of three, five, or seven leaves, which resemble oak leaves—hence the name.

Leaves of three, let them be! You've probably heard that little rhyme about poison ivy. But did you know that the plants poison ivy, poison oak, and poison sumac all contain the same rash-causing ...

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 ...

Poison ivy is a plant that can cause an itchy rash when touched. Poison ivy, poison oak, and poison sumac all contain urushiol (yoo-ROO-shee-ol), a sticky, colorless, odorless oil. Urushiol is not ...

If you develop black spots or streaks, there tends to be little or no redness and swelling. The medical term for this condition is black-spot poison-ivy dermatitis. It takes time for the rash to ...

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 ...

In its wake, a trail of viscera and carnage is left—leading to a mystery that the Parliament of Trees has conscripted Poison Ivy and Swamp Thing to solve. Can the Verdant Villainess and the ...

LOLtron hopes you're ready for another thrilling comic book preview, this time for Poison Ivy #30, hitting stores on Wednesday, February 5th. SPECIAL FLIP-BOOK ISSUE! Grievously injured after her ...