Poison oak is similar in appearance to poison ivy but is usually found as a shrub rather than a vine. It can have clusters of three, five, or seven leaves, which resemble oak leaves—hence the name.

But once you know that there's something poisonous in your garden, how do you identify which plant it is? How can you tell if ...

All parts of the plant, including roots, can cause an allergic reaction year-round, according to the American Academy of Dermatology. Poison oak is commonly confused with poison ivy, but the two ...

One such plant is poison sumac ... Poison sumac is considered more allergenic than poison ivy and poison oak, which are other well-known plants in the Toxicodendron genus of the sumac family.

Considering taking supplements to treat poison oak and poison ivy dermatitis? Below is a list of common natural remedies used to treat or reduce the symptoms of poison oak and poison ivy dermatitis.

Dermatitis. 2008;19(1):48-51. This report describes a severe case of black-spot poison ivy dermatitis, a relatively rare presentation of poison ivy dermatitis, occurring on three occasions in the ...

Plants can be toxic, known to many people who experience contact dermatitis from the "poison" plants (e.g., poison ivy, poison oak, poison sumac ... and a medicinal plant new to the United ...

but their coats easily transfer the oil in poison ivy, poison oak and poison sumac to humans. This oil, called urushiol, causes the common poison ivy rash in people who are sensitive to it.