Third-degree burns cause . blisters, redness, and pain and usually do not require the attention of a medical professional redness and pain and usually do not require the attention of a medical professional blisters, redness, and pain, and do require the attention of a medical professional charring of skin layers, little or no pain, and do require the attention of a medical professional Third-degree burns cause . blisters, redness, and pain and usually do not require the attention of a medical professional redness and pain and usually do not require the attention of a medical professional blisters, redness, and pain, and do require the attention of a medical professional charring of skin layers, little or no pain, and do require the attention of a medical professional