Characteristics of dog bites include pain near the bite site and visible teeth marks on the skin, explains The Hand Center of Western Massachusetts. Dog bites can also cause the skin to tear or bleed. An individual who h... More » Health Insect & Animal Bites

A comprehensive collection of spider bite photographs can be found at In addition to a large assortment of bite photographs, this webpage also contains extensive information about identifying spiders ... More » Health Insect & Animal Bites

A person bitten by a dog often can treat the bite at home but should seek medical care if the dog is unknown and if the bite is deep, seems infected or continues bleeding, according to WebMD. Report a bite from an unknow... More » Health Insect & Animal Bites

Symptoms of a brown recluse spider bite include itching of the skin, pain and a blister at the bite site that gradually ulcerates, according to WebMD. In certain cases, the bites do not cause immediate discomfort, so an ... More »

Within hours, brown recluse spider bites may cause severe pain and swelling, blisters with a red ring and blue center, itchy rashes, ulcerations or pimple-like contusions with green or yellow pus, advises Othe... More » Health Insect & Animal Bites

Bed bug bites cause red bumps that often form clusters on the skin, says Mayo Clinic. If a person experiences an allergic reaction to the bites, hives and blisters can form on the skin and spread. More »

Insect bites initially cause pain and may then precipitate allergic reactions as venom deposited through the bite courses through the skin, explains Healthline. The intensity of the reaction varies from minor to life-thr... More »