Hello Sir/Ma'am
Two weeks ago my whole body is covered with big tree type rashes and when I met with my Dr. He said that this is erythma multiforme then he treat this treatment now I feel better than before whole rashes is out skin is now coming in his precious mode but somewhere they are also again make red long zig zag line I don't know what is this please help me out of this
In This anything is serious
Please help me and what are the cause behind this