Snake bites and spider bites show great differences between them. Snake bite pierces further apart, to be more precise, one on each side of lower lip. On the other hand the spider bites pierces are seen to next to each other and that too on the same side.
A black widow spider leaves two marks when she bites. It is interesting to note that the marks appear like red fang marks. There is another variety of spider called the brown recluse spider. When it bites, it is normal that the skin turns red and finally develops a white mark.
It is true that the bite of a poisonous snake can cause death. On the other hand the bite of a spider does not cause death at all times. In fact it can cause pain. Spiders are adept in delivering what are called toxins. Although they have the ability of deliver toxins, they may not deliver them deep into the skin to cause death for that matter.
It is interesting to note that some of the spider bites may cause inflammation. The bite may later develop into an infected bite with pus. As a bite is the action that injects venom through the mouth there is a difference in the amount venom injected by a spider and a snake. A snake is said to inject more venom through the mouth than a spider.
As statistical piece of information would reveal every year 8,000 people receive snake bites in the United States. The bite of a non-venomous snake bite can cause infection or allergic reaction.
You need to describe the spider and snake before medical attention is given to you since there are a number of varieties among them. Some of them are venomous and some non-venomous. The bite of a spider is not felt immediately whereas the bite of a snake is felt immediately.