You might have a noticeably raised and itchy bump for a few days, Gangloff-Kaufmann says, but it shouldn't cause a severe reaction. On the other hand, experts do worry about spider bites about ...

A severe reaction can cause breathing difficulties ... Spiders are not insects, but they can and do bite. Some spider bites are dangerous to humans. The bite of the brown recluse, for example ...

Anaphylaxis is a severe reaction to a trigger ... Learn more about identifying spider bites. Recognizing the appearance of a brown recluse spider can help with identifying what has bitten you.