DefinitionCaterpillars (long, fuzzy, segmented insects) are unable to pierce the skin with their bite. However, their hairs may get into the skin or eyes, causing symptoms in the area where the hairs entered.Problems also can occur if someone breathes in caterpillar hairs that have been released into the air, or eats caterpillars.This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.SymptomsEyes PainRednessTearingGastrointestinal DroolingMouth and throat irritationVomiting, if caterpillar or caterpillar hairs are eatenNervous system HeadacheRespiratory system CoughRhinitisShortness of breathWheezingSki