Typically, a spider bite looks like any other bug bite — a red, inflamed, sometimes itchy or painful bump on your skin — and may even go unnoticed. Harmless spider bites usually don't produce any other symptoms.

What does a spider bite look like at first?

The first signs might be small, red marks with some swelling. Within an hour, it'll hurt a little more, and the pain might spread to your back, belly, and chest. You might have stomach cramps, and your belly might feel a little stiff. You may also sweat a lot.

Is it normal for a spider bite to itch?

Typically, a spider bite looks like any other bug bite — a red, inflamed, sometimes itchy or painful bump on your skin — and may even go unnoticed. Harmless spider bites usually don't produce any other symptoms.