What if they rub up against us humans? A: Neither cats nor dogs suffer from poison ivy rash, but their coats easily transfer the oil in poison ivy, poison oak and poison sumac to humans. This oil, ...

Skin contact with the oil of a poison sumac plant leads to an itchy, burning, allergic skin reaction. You can’t contract the rash from another person, but the plant’s oil can transfer from ...

Poison Ivy thrives in a climate changed world. Plants grow faster, bigger and have more toxic oils with increasing concentration of CO2 in the atmosphere and higher temperatures. As warmer ...