A spider crawling up your back can be a frightening experience. Although most spiders are harmless, some can bite and inject venom. If you see a spider crawling up your back, try to remain calm and take the following steps:
1. Remove any clothing that is in the way.
2. Swat the spider with a newspaper or other object.
3. If the spider bites you, seek medical attention.
4. If the spider is not biting you, leave it alone and …