Poison oak has leaves that grow in groups of three and is found on the west coast and southeast regions of the US.

Think you might have been exposed to poison ivy? Here's how to identify it, as well as how to treat it, according to health experts.

Poison ivy, oak and sumac all can create itchy rashes from urushiol. What you need to know before the rash starts.

Nothing puts a damper on spending time in your yard like realizing you, your kids, or your pets have stumbled into a patch of poison oak. For people (and animals) who are allergic to the oils secreted ...

There are multiple subspecies of poison ivy in North America, but all have leaf groups of three and can be green or have a ...