<s>[INST] Hello Doc,I had a night of heat flash and cold shivers when I take off the duvet. The next morning, I noticed painless blisters on the right side of my chin. I dont know what this is even though I was sweating and felt weak in the afternoon preceding the night.Kindly advise. [/INST] Hi, Welcome to Chat Doctor! What you are describing are the characteristic features of an abscess/abscesses. An abscess is a localized collection of pus, which you have got on your chin. An abscess causes fever with chills. You have to start treatment for it as early as possible. Treatment essentially consists of a course of Antibiotics and painkillers. If the blisters are large, it might be necessary to remove the pus in them by incising or aspirating. Visit your doctor soon as get it treated before it becomes worse. Hope this information is useful. Feel free to ask if you have any doubts. Wishing you a speedy recovery. With warm regards, </s>