A second-degree burn causes redness, blistering, pain, and swelling. To treat a second-degree burn, do the following: Immerse the area in cool water for at least 10 minutes. Do not use cold water or ice. It may take as long as half an hour for the pain to go down. Remove jewelry or clothing that could become too tight if the area swells.

2nd Degree (Partial Thickness) Blisters on the hand may or may not be trimmed. The hand and forearm should be splinted in a position of safety to prevent later stiffness. If there are open and raw surfaces, cleaning, frequent dressing changes, and the application of local topical antibiotics should be performed until the wounds are healed.

The Centers for Disease Control and Prevention (CDC) recommends the following steps to treat a second-degree burn: Use cool water on the burned area. Apply cool compresses for 10–15 minutes. Dry the area with a clean cloth. Cover the burn with a sterile bandage. Do not apply butter or ointments to the burn, as these may cause infection.

2nd-degree burn. This type of burn affects both the epidermis and the second layer of skin (dermis). It may cause swelling and red, white or splotchy skin. Blisters may develop, and pain can be severe. Deep second-degree burns can cause scarring.