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.

How can you tell if you're dealing with poison oak or poison ivy? Both of these plants contain urushiol -- an oily compound ...

Contact with any part of the poison oak plant can cause an intensely itchy, blistering rash. Washing immediately with water and a mild soap or apply rubbing alcohol may help lessen symptoms.

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.