In the last three months . I continue to get red , swollen ,painful, itchey places and one of the places forms a clear blister . The first one was on my leg , one place , the next time neck and shoulder , and top of my back . The last two times elbbow , and forearm , and now the other elbow and forearm . It goes away on its own , and doesn t scar . After the outbreak , it leaves skin discoloration.