However, it can also be quite large, extending over most of the arm. Reports of rash size have varied from study to study. One report described a COVID arm rash measuring up to 14 centimeters (cm ...

Later, it may become a “purpuric rash,” which means it looks like large blotchy bruises ... to travel to your extremities ...

The skin there had several large and small red marks that wrapped around her arm. “This is not a rash,” she said in the video. “This is the burn that I sustained yesterday from grilling corn.” ...