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 ...

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 ...