A wolf spider bite usually leaves fang-like marks on the skin, which may look slightly torn. Some bites may cause redness, swelling, and ulcers. To treat the bite, wash the area and cover it with a ...

Carrie Madormo, RN, MPH, is a health writer. She has over a decade of experience as a registered nurse, practicing in a variety of fields, such as pediatrics, oncology, chronic pain, and public health ...