These rashes can be papules, pustules ... People with RA can develop hives — red, raised welts that itch — that are unrelated to a medication, says Greer. “It's also called urticaria ...

Below is a description of what these rashes can look like and when they can occur. Hives, also known as urticaria, appear as ...

The rashes may be itchy, red and raised ovals, the AAD says, and there may be multiple patches that eventually combine. Certain people are more likely than others to develop this type of eczema ...