Internally Peer Reviewed Exposure to temperature extremes, whether heat or cold, causes injury to the skin, tissues, blood vessels, vital organs, and in some cases, the entire body. Burns, heat cramps, heat exhaustion, and heat stroke are caused by exposure to heat. Burns and Scalds Burns are caused by dry heat, and scalds are caused by moist heat.
Treatment is the same for both.
Contact with an electric current also causes burns, especially if the skin is dry. The seriousness of the burn can be determined by its depth, extent, and location and by the age and the health of the casualty. You must take all these factors into consideration when evaluating burns. Healing occurs naturally within a week. Pain is moderate to severe, swelling often occurs.