I awoke one morning a week ago and saw a welt on the side of my neck and the skin was broken (maybe I scratched it a lot while sleeping). Over the weekend it became very itchy and I eventually scratched it and the following day another welt appeared next to the original welt. Today after getting home from work and doing yard work I noticed another welt and it looks like they are starting to blister. Earlier today while at work I took some advil and that stopped the itching. I came to the conclusion that there was inflamation and that's probably what caused the itching. As for the welts and blisters, I don't know why I have these and looked on this site for answers. I also have a lump above the welts close to my jaw line and I'm assuming a lymph node is swollen do to an infection. If I don't see improvement in the next couple of days I'll see a doctor but after reading others posting, I'm assuming I'll have a doctor that won't know and want to put me on antibiotics and "go from there". I know, swollen lymph nodes are to be taken seriously but as I said, I'm going to give it a few days and hopefully the advil helps and I'll start to heal. Since the itching stopped, I feel that is a positive sign. Good luck to you all and if you haven't tried advil (or generic like I took), maybe try that.