Poison Ivy Vs Shingles. Upon contact with the oil, you may have an allergic reaction that causes a rash on your skin, resulting in a red, itchy, blistery rash. Shingles is a recurrence of the Herpes varicella-zoster virus, which originally appeared as chickenpox.
It's a rash that occurs after exposure to an allergen. A poison ivy rash also doesn't spread over a person's body. That ingredient is called urushiol, and it causes a rash when.
I hope you don't have shingles, tc!
It results in a painful blistering rash, usually on just one side of the body, often over the rib cage or kidney.
Frequently, the rash takes a linear form (as in the top-left corner of the photo) due to the way the plant sweeps across the skin. Poison oak, Poison ivy, and poison sumac are different plants, but they all contain the same ingredient that causes a blistering rash. Caladryl Clear is an anesthetic, or "numbing medicine."It works by interfering with pain signals sent from the nerves to the brain.