NickelMore than 18 percent of North Americans react to it. Cheap gold and silver jewelry is usually nickel underneath, and it hides in zippers, eyeglass frames, phones and coins.
LatexGloves, balloons, elastic and medical supplies. Reactions range from a local rash to hives and wheezing, and latex cross-reacts with banana, avocado and kiwi.
Poison ivy, oak and sumacUrushiol oil in the plants causes a blistering rash one to three days after contact. Wash skin and clothing promptly; the oil spreads on tools and pets.
Rash Where It Touched · Delayed By Hours To Days