(HealthDay)—Itchy, blistering rashes from poison ivy, oak and sumac are common and are caused by an oil in the plants called urushiol.

Itch warning: Outdoor enthusiasts need to use caution to avoid poison oak after heavy rains in Northern California this past winter have resulted in an abundance of the devilish shrub.

A few weeks earlier the child had his most severe attack, the mother told the doctor. His entire face was red and puffy. Even his eyelids were swollen. She was worried. Because the family had ...

Poison ivy, oak and sumac are the leading culprits behind of allergic skin reactions in the United States — with an estimated 55 million occurrences each year. If you’re in the 70 percent or ...

Itch warning: Outdoor enthusiasts need to use caution to avoid poison oak after heavy rains in Northern California this past winter have resulted in an abundance of the devilish shrub.

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

Leaves of three let them be. Here's some help identifying poisonous plants like poison ivy, oak, sumac and more.

BAKERSFIELD, Calif. — The California Poison Control System (CPCS) is warning residents about a huge poison oak growth in the state. According to CPCS, recent fires and heavy rains has caused an ...

Poison ivy can cause itching, swelling, painful blisters and overall discomfort. Here's how to avoid these awful symptoms.

Patrick Kirby's been itchy a lot. The University of Southern Mississippi botany and ecology student is often out in nature and he's had poison ivy, poison oak and poison sumac — more than once ...

Got poison? First things first If you come into contact with poison ivy, oak or sumac, wash your skin as soon as possible with cold, running water. And hurry! Do this within minutes of coming into ...