Poison Ivy V Poison Oak Rash. The sap of the poison ivy plant, also known as Toxicodendron radicans, contains an. Poison ivy rash is caused by contact with poison ivy, a plant that grows almost everywhere in the United States.
Urushiol triggers an allergic reaction when it comes into contact with skin, resulting in. Your first line of defense against poison ivy, oak, and sumac is being able to identify them outdoors. Wash your skin right away if you come into contact with this oil, unless you know you're not sensitive to it.
The rash from poison ivy or poison oak can be severe and even become infected if not kept clean.
Itchy red rashes, swelling, even blistering- an innocent hike in the forest can have very uncomfortable consequences if you don't know what to avoid.
A classic case of poison oak might include a child with a known exposure to poison oak after a camping trip, hike in the woods, or a day at the lake, who then develops a red, itchy rash all over his body a few days later. Poison ivy and poison oak are the most common causes of allergy. A poison ivy rash usually resolves on its own within a few weeks.