The leaves also have three leaflets ... Given that a high percentage of people experience allergic reactions to poison ivy ...

The effects range from a small itch to large-scale rashes. Interestingly, some people appear to be immune to the effects of poison oak. The cluster of three oak-like leaves are a hint you may be near ...

on the leaves or stems. This is the same compound found in other poisonous plants like poison ivy and is responsible for causing a rash in most people. What does the poison oak rash look like A ...

The leaves typically come in groups of three ... depending on the time of year. Like poison ivy and poison sumac, poison oak releases an oil called urushiol when it sustains damage.

When you’re spending time outdoors this summer, in your own yard or hiking in a park, it’s useful to know to spot poison ivy.