Do you have an unexplained rash on your skin? Do you have itchy, red welts that may or may not have fluid on them? These could be the early signs of bed bugs. If you think you may have mattress bed bugs, call the experts. Bed bugs are an epidemic in many parts of the world. They are not only disgusting and can make you itchy, but they can also cause other health problems such as asthma, hay fever, and hives. If you have unexplained welts on your skin, it is time to take action.