Rick Vetter, PhD, is a spider expert and staff research associate in the department of entomology at the University of California, Riverside. Joshua Zeichner, MD, is the director of cosmetic and clinical research and an associate professor of dermatology at Mount Sinai Hospital in New York City. Rajani Katta, MD, is a board-certified dermatologist who serves as voluntary clinical faculty of both the Baylor College of Medicine and the McGovern Medical School, University of Texas Houston. Justin Arnold, DO, MPH, is the medical director of Florida Poison Information Center Tampa and an associate professor at the University of South Florida. She is also a co-founder of Mor Ventures Inc, which creates science-backed skin care for families. She is a fellow of the American Academy of Dermatology and a member of the Women’s Dermatologic Society. Meet the experts: Paru Chaudhari, MD, is a dermatologist with over a decade of experience. Okay, but how do you know if your bite is a cause for concern? The pics below (reviewed by experts) will give you an idea of what different types of spider bites look like, what you should do if you spot one on your bod, and when to call a doctor.

“There are a limited number of spiders in the world with fangs strong enough to pierce human skin, and they usually do not bite unless they are crushed between you and another object.' Most people who think a spider bit them were usually bitten by a different insect, she adds. The good news, though, is that “most spider bites are harmless, as the venom is not toxic to people,” says Paru Chaudhari, MD, a dermatologist at North Peak Dermatology and the co-founder of Quitch bug bite stickers. If the mere *thought* of a spider crawling on your skin makes you shiver, same! But if you’re dealing with an actual spider bite, you may start to panic-they can be painful, itchy, and super uncomfortable.

Limiting spider bits in home