A. Add a degree. A. Subtract a degree. Yes, if it was out one night and was at room temperature during that time. The blister protects the skin underneath from infection. It will occlude the burn and make it hurt more.
Cold water is best.
Be sure to keep the wound clean and dry. If you get a dirty puncture wound or laceration, the tetanus immunization is effective for five years. If you get a clean wound, it is effective for 10 years. A. Fever, rapid onset of throat pain, headache, swollen neck glands and bright red tonsils that may have white spots. A. Use cool compresses, or aloe vera gel with lidocaine and acetaminophen or ibuprofen.