when bed bugs get in to your fabrics they do bite. when they bite some one or something they inject a type poison into the bite that creates the "rash". its kind of like when you brush up against poison ivy or poison sumac. it usually doesn't harm anything or anyone. although in large doses, for how rare it is, you can experience symptoms similar to the flu. i really wouldn't worry about it too much because there have only been a couple cases of it.
another thing it could be is eczema. eczema is an inflamed part of the skin. it usually affects the younger population and infants. what this looks like is a rash that is most commonly found on the face, knees, hands, or feet. It may also affect other areas as well. Affected areas usually appear very dry, thickened, or scaly. The exact cause of eczema is unknown. In addition, eczema is commonly found in families with a history of other allergies or asthma. Some people may suffer "flare-ups" of the itchy rash in response to certain substances or conditions. For some, coming into contact with rough or coarse materials may cause the skin to become itchy. For others, feeling too hot or too cold, exposure to certain household products like soap or detergent, or coming into contact with animal dander may cause an outbreak. Upper respiratory infections or colds may also be triggers. Stress may cause the condition to worsen.
Although there is no cure, most people can effectively manage their disease with medical treatment and by avoiding irritants. The condition is not contagious and can't be spread from person to person.
yet another thing it could be is hives. Hives are raised red bumps on the skin most often caused by an allergic reaction. Hives usually cause itching, but may also burn or sting. They can appear anywhere on the body, including the face, lips, tongue, throat, or ears. Hives vary in size (from the size of a pencil eraser to that of a dinner plate), and may join together to form larger areas known as plaques. Occasionally, hives can signal more serious problems, especially when accompanied by symptoms such as difficult breathing.
fourth thing it could be possibly be is Lyme disease. this is also called the "bulls eye rash" In the U.S., the Western black–legged tick and the deer tick can carry Lyme disease bacteria. Infected ticks usually don't spread the disease until they've been attached for at least 36 hours. The first sign of infection is usually a circular skin rash. Early symptoms may also include fever, headache, and fatigue. Untreated Lyme disease may spread to other parts of the body, including the muscles, joints, heart, and nervous system. Most cases of Lyme disease can be treated successfully with antibiotics.
fifth thing it could be is a spider bite, the brown recluse. Hiding in attics and closets — in Midwestern and South central states — that's where you'll find brown recluse spiders. The spiders range in color from yellowish–tan to dark brown, with darker legs. Their venom is extremely poisonous, and their bite can cause serious wounds and infection. Yet you may not feel their bite. When the brown recluse bites, it is often painless — then skin reddens, turns white, develops a red "bull's–eye," blisters, and becomes painful. These bites can be deadly in rare cases. Get medical care immediately. If you can, bring the spider with you for positive identification.
sixth thing it could be is fleas. Fleas are small, wingless, agile insects that live off the blood of their host – and they don't just bite pets. They dine on people, too. Some people are very sensitive to flea bites — but scratching can cause a wound or infection. The best solution is to get rid of fleas on pets and in your home. Keep pets out of your bed and be sure to vacuum rugs daily. Spray insecticides on infested areas. Consider using a once–a–month insecticide on your pet.
there are more i just couldn't fit them all so if you want to know more then do a little bit of research
· 7 years ago