Four to eight hours afterward, the bite may become more painful and look like a bruise or blister with a blue-purple area around it. Later, the bite becomes crusty and turns dark.
Mosquito Bites: Usually appears as puffy white and reddish bumps that begin a few minutes after the bite and become a reddish-brown bump a day or so after the bite. In some instances a host may have small blisters and dark spots that look like bruises in extreme cases.
While not always the case, bed bug bites are often grouped together in a small area and at times may occur in a line or a zigzag pattern. Bites normally look like small, flat or raised areas that may become inflamed, itchy, red or blistered.
Bed Bug Bites vs Spider Bites. It's very frustrating when you wake up one morning and you are already covered with insect bites. Since you're on your bed sleeping, the first suspects would be bed bugs.
Spider bites can be red and itchy, much like bedbug bites. But unlike bedbugs, spiders rarely bite more than once. If you only have one bite on your body, it's probably not from bedbugs.
The bites are itchy and with continuous scratching, can result to blisters and rashes around the bitten area. Many are the times people wonder where bed bugs come from and What do bed bug bites look like. Not only are the bites annoying but they're potentially a health risk to you and your family.