Reactions Toxicodendron diversilobum

urushiol-induced contact dermatitis poison oak

toxicodendron diversilobum skin contact first causes itching; evolves dermatitis inflammation, colorless bumps, severe itching, , blistering. in dormant deciduous seasons plant can difficult recognize, contact leafless branches , twigs causes allergic reactions.

urushiol volatilizes when burned, , human exposure t. diversilobum smoke extremely hazardous, wildfires, controlled burns, or disposal fires. smoke can poison people thought immune. branches used toast food on campfires can cause reactions internally , externally.

urushiol found in skin of mangos, posing danger people sensitized t. diversilobum when eating fruit while still in rind.