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

Daniel More, MD, FAAAAI, FACAAI, FACP, is a board-certified allergist and former clinical immunologist at Allergy Partners of the Central California Coast. Poison ivy is a poisonous plant that ...

Some poison ivy leaves have "toothed" or wavy edges while others have smooth edges. Leaflets might be dull or shiny; hairy or hairless. Leaves start out green as ... when their skin comes into ...

The most commonly known poisonous plants are poison ivy, poison sumac and poison oak. English ivy is often overlooked and is used in landscaping as ground cover, but it can be just as dangerous for ...

Poison ivy, poison oak, and poison sumac are plants that contain an irritating, oily sap called urushiol. Urushiol triggers an allergic reaction when it comes into contact with skin, resulting in ...

Leaves can be many shades of green and in the fall often ... If you believe you have been exposed to poison ivy or another plant irritant, rinse your skin with clean water and seek medical ...

In the summer, leaves and berries are green ... All parts of poison ivy contain an oily compound called urushiol. When urushiol comes in contact with the skin, or is inhaled, it causes skin ...

Poison oak, much like poison ivy, also has three leaves. The difference between the two is that poison oak has fuzzy green ...

Poison ivy is a common poisonous plant that causes an itchy skin rash when contacted ... Poison ivy leaves turn reddish in the spring, green in the summer and yellow, orange or red in the ...

Outdoor enthusiasts, gardeners and just about everyone else should know about poison ivy, poison oak, poison sumac and other poisonous plants that can cause skin irritation or more severe health ...