When to see a doctor for a spider bite?

Bites from a brown recluse spider have different side effects than a black widow bite. The pain around the bite mark continues to worsen over the first eight hours. The bite mark color may become dark red, turning into a deep skin ulcer as the skin around it dies. read more

In other words, most of the spiders that could bite you won’t kill you. But spider bites are still painful and irritating. How to Tell if You Have a Spider Bite, and When to Seek Care. Even though most spider bites are not fatal, they can cause a variety of symptoms that may need medical treatment. read more

Most bites from Tarantulas would probably get you to go to a doctor since they will be fairly large and painful. There you can be checked out for infections and have the bite cleaned. The Hobo spider is also known to have a dirty mouth. read more