What Is a Viral Exanthem Rash? - WebMD
Viral exanthem rashes are a symptom of a viral infection. Exanthem is a medical term for a widespread rash across your body. Exanthem rashes are typically caused by viral infections, bacterial infections, or certain medications. The ones caused by viruses are called viral exanthem rashes. What Causes Viral Exanthem? There are a number of different viral infections that can lead to a viral exanthem rash. Not all of these infections create a rash in everyone that they infect. Keep in mind that some types of infections are more common than others. Plus, some are more dangerous to your health than others. Viral infections that can cause exanthem include: There are a number of ways that all of these infections could trigger viral exanthem in your body. In some cases, your rash is your immune system's natural way of reacting to the infection. The virus could also be causing direct damage to your body. This could be either in the form of p...