Allergic to Poison Ivy and Oak?
Poison Ivy, Poison Oak, and Poison Sumac are all poisonous plants that live in most parts of North America. The urushiol oil that these plants contain can be a nuisance if infected. Simply by touching the plant or by coming into contact with an object that has urushiol on it, can cause redness, itching, and even blistering. These allergic reactions …