Poison ivy (Toxicodendron radicans) is a vine that contains an oily resin known as urushiol. According to the Centers for ...

Poison ivy rash can spread from clothes ... It’s a good idea to have some in your house, especially if you have kids. If you ...

Poison oak rash is an allergic reaction to the leaves ... depending on the time of year. Like poison ivy and poison sumac, poison oak releases an oil called urushiol when it sustains damage.

An curved arrow pointing right. Only 10% to 20% of Americans aren't allergic to poison ivy's rash-inducing oil, urushiol. Rising atmospheric carbon dioxide levels are causing poison ivy leaves to ...

If you come into contact with poison ivy, wash the area with soap and water as soon as possible. Soaking in an oatmeal bath and applying anti-itch creams can provide relief from an itchy rash.

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.