How Poison Ivy Works

How Poison Ivy Works
Why does poison ivy cause a rash and blisters? What happens when urushiol, poison ivy’s toxic oil, gets onto the skin? Learn how poison ivy works—and find out more about poisonous plants from NIOSH.

Comments on this video are allowed in accordance with our comment policy:

This video can also be viewed at

Leave a Reply

Your email address will not be published. Required fields are marked *