Browntail moth caterpillars (Euproctis chrysorrhoea) have tiny barbed hairs containing toxins. These poisonous hairs cause skin rashes when touched and may cause breathing problems if inhaled.
Adult browntail moths are not dangerous to humans. While there’s no specific treatment for the rash caused by browntail moths, home remedies include a cool bath with baking soda, hydrocortisone ...