hi,i have these red circular shape and I get them randomly but theyre so painful , theyre debilitating, especially on my legs,i also get them on my hads and arms,also at times on elbow orknee,but mostly all the places on my legs,hands,arms,and then its extremely hard to move around or deal with,i was shivering this morning really bad and got these bumps also.do you have any idea what it would be?ive been to the er at times for different things like my stomach or my abdomen and more,they think its lupus, my mom had it but it went away