1 Extraco Banks, National Association: Harker Heights Branch at 100 West Central Texas Expressway, branch established on 1990/12/07.  Bank of America, National Association: Harker Heights Branch at 201 E Central Texas Expy, Suite 1900, branch established on 2008/12/31.
1 If you can rinse your skin immediately after touching poison ivy, poison oak, or poison sumac, you may be able to rinse off some of the oil. If not washed off, the oil can spread from person to person and to other areas of your body.  Wash your clothing.
What Causes Poison Ivy Blisters? When your skin comes into contact with the urushiol from the plant, there is an allergic reaction with this oil from the plant. Some people do not get that allergic reaction, but the oils from the damaged or bruised plant can cause severe itching and can also lead to poison ivy blisters.