How to Treat a Second Degree Burn: First Aid and Recovery

Knowing how to treat a 2nd degree burn correctly in the critical first minutes can significantly reduce pain, prevent infection, and minimize scarring. How to treat a 2nd degree burn depends on its size, location, and severity, and some second degree burns require emergency medical care rather than home treatment.

Second degree burns, also called partial-thickness burns, damage both the outer layer of skin (epidermis) and part of the underlying layer (dermis). They are characterized by blisters, intense pain, redness, and swelling. According to the NIH, burns are one of the most common household injuries, and second degree burns account for a significant portion of burn injuries treated in emergency departments each year.

This guide provides step-by-step first aid instructions, explains when a burn needs professional medical care, outlines the recovery process, and addresses common mistakes that can worsen burn injuries. For more health information, visit our medical conditions guide.

Identifying a Second Degree Burn

Before treating a burn, it is important to identify its severity correctly. Burns are classified by depth.

First degree burns affect only the epidermis. They cause redness and mild pain without blisters. A typical sunburn is a first degree burn. Second degree burns extend into the dermis. They cause blisters (fluid-filled bubbles on the skin), significant pain and tenderness, redness and swelling, a wet or shiny appearance when blisters break, and skin that may appear blotchy. Third degree burns destroy the full thickness of skin and may extend into deeper tissues. They appear white, brown, or charred, and paradoxically may be less painful because nerve endings are destroyed.

Second degree burns are further divided into superficial partial-thickness burns, which affect the upper dermis and typically heal within two to three weeks with minimal scarring, and deep partial-thickness burns, which extend into the lower dermis and may require four to six weeks or longer to heal, sometimes requiring skin grafting. According to the Cleveland Clinic, the depth of a second degree burn significantly affects treatment approach and long-term outcomes.

Immediate First Aid for Second Degree Burns

Proper first aid in the first minutes after a burn occurs makes a meaningful difference in outcomes. Follow these steps.

Step 1: Remove the source of the burn. Move away from the heat source. If clothing is stuck to the burn, do not attempt to remove it. If clothing is not stuck, carefully remove it along with any jewelry or tight items near the burned area before swelling begins.

Step 2: Cool the burn with running water. Hold the burned area under cool (not cold or ice) running water for 10 to 20 minutes. According to the NIH, this is the single most effective first aid measure for burns. Cooling reduces pain, limits burn depth progression, and decreases swelling. Do not use ice, ice water, or very cold water, as extreme cold can cause further tissue damage and increase the risk of hypothermia, especially in children.

Step 3: Do not pop blisters. Blisters serve as a natural sterile bandage, protecting the damaged skin underneath from infection. Let them remain intact. If a blister breaks on its own, gently clean the area with mild soap and water and apply an antibiotic ointment.

Step 4: Apply a sterile bandage. After cooling, gently pat the area dry and cover the burn with a sterile, non-stick bandage or clean cloth. Do not use cotton balls or any material that could leave fibers in the wound. Wrap the bandage loosely to avoid putting pressure on the burned skin. The Mayo Clinic recommends using non-stick gauze pads held in place with medical tape or a loose roller bandage.

Step 5: Manage pain. Take over-the-counter pain relievers such as ibuprofen or acetaminophen as directed. Ibuprofen is often preferred because it reduces both pain and inflammation.

Ongoing Wound Care at Home

For small second degree burns (less than three inches in diameter) that are not on the face, hands, feet, groin, or joints, ongoing home care involves careful wound management.

Clean the burn gently once or twice daily with mild soap and lukewarm water. Pat dry carefully with a clean towel. Apply a thin layer of antibiotic ointment such as bacitracin or a silver sulfadiazine cream if prescribed by your doctor. Apply a fresh sterile, non-stick bandage after each cleaning. Keep the area elevated when possible to reduce swelling.

Monitor the burn daily for signs of infection, which include increasing redness extending beyond the burn edges, increasing pain after the first day or two, swelling that worsens rather than improves, pus or cloudy drainage, red streaks extending from the burn, and fever. According to PubMed research, infection is the most common complication of second degree burns and the primary reason home-treated burns may need professional medical intervention.

What Not to Do

Several common burn “remedies” can actually cause harm. Avoid these mistakes.

Do not apply butter, oil, toothpaste, or egg whites to a burn. These substances trap heat in the skin, increase infection risk, and make it harder for medical professionals to assess and treat the burn. Do not use ice or ice water, which can cause frostbite and worsen tissue damage. Do not pop or peel blisters, as this removes the natural protective barrier and significantly increases infection risk.

Do not apply adhesive bandages or tape directly to the burned skin. Use only non-stick dressings. Do not apply cotton or any fluffy material that could stick to the wound. Do not use home remedies such as vinegar, honey, or essential oils on second degree burns without medical guidance. While some of these substances have been studied for burn treatment, improper application can cause complications.

The CDC recommends following evidence-based first aid protocols rather than folk remedies for burn treatment.

When to Seek Medical Care

While small, uncomplicated second degree burns can often be treated at home, many require professional medical evaluation and treatment. Seek medical care immediately if the burn is larger than three inches (about the size of your palm), the burn is on the face, neck, hands, feet, genitals, or over a joint, the burn goes all the way around an extremity, there are signs of a deep partial-thickness or third degree burn (white or leathery areas), the patient is very young, elderly, pregnant, or immunocompromised, or the burn was caused by chemicals, electricity, or an explosion.

Additionally, see a doctor within 24 to 48 hours if the pain is not adequately controlled with over-the-counter medication, blisters are very large, you notice any signs of infection, or you are unsure about the severity of the burn.

Medical treatment for more serious second degree burns may include prescription pain management, professional wound cleaning (debridement), specialized burn dressings such as silver-containing dressings, tetanus booster if not current, physical therapy to maintain range of motion for burns over joints, and in some cases, skin grafting for deep partial-thickness burns.

Recovery Timeline and Scarring

The recovery timeline for second degree burns depends on the depth and size of the burn, the location on the body, the patient’s age and overall health, and whether complications such as infection occur.

Superficial second degree burns typically heal within two to three weeks. The skin may appear pink or red for several weeks after healing, and some temporary changes in skin pigmentation are common. Scarring is usually minimal. Deep second degree burns may take three to six weeks or longer to heal. They carry a higher risk of hypertrophic (raised) scarring and permanent changes in skin pigmentation. Some deep second degree burns may require skin grafting to heal properly and minimize scarring.

According to the NIH, several factors can help minimize scarring during recovery. Keep the healing burn moisturized with fragrance-free lotion once the wound has closed. Protect the healed area from sun exposure for at least one year, as newly healed skin is extremely sensitive to UV radiation and can develop permanent discoloration. Silicone gel sheets or silicone-based scar treatments may help flatten and soften scars when used consistently. Gentle massage of the healed area can help break down scar tissue and improve skin texture.

Burns in Children

Children are particularly vulnerable to burn injuries. Their skin is thinner than adult skin, which means burns tend to be deeper. They also have a higher surface-area-to-body-weight ratio, making them more susceptible to fluid loss, hypothermia, and shock from burns.

The Mayo Clinic recommends that any second degree burn in a child be evaluated by a healthcare provider, regardless of size. This is especially true for infants and toddlers. In children, burns should also raise awareness of the possibility of non-accidental injury. Healthcare providers are trained to recognize burn patterns that may indicate abuse and are obligated to report suspected cases.

Frequently Asked Questions

How long do second degree burn blisters last?

Blisters from a second degree burn typically last one to two weeks. They may gradually reabsorb or eventually rupture on their own. Once a blister breaks, the underlying skin is vulnerable to infection, so keeping the area clean and covered is essential. New skin forms underneath the blister, which is why it is important to leave blisters intact as long as possible to protect this delicate new tissue.

Should I go to the ER for a second degree burn?

You should go to the emergency room if the burn is larger than three inches, located on the face, hands, feet, or genitals, if there are signs of a deeper burn, or if the patient is very young or elderly. For small second degree burns on non-critical areas, urgent care or a primary care appointment is usually sufficient. When in doubt, err on the side of seeking medical evaluation.

Can a second degree burn heal without scarring?

Superficial second degree burns often heal with minimal to no permanent scarring. Deep second degree burns are more likely to result in some degree of scarring. Factors that influence scarring include the burn’s depth and location, genetics, skin color, age, and how well the wound is cared for during healing. Following proper wound care protocols and protecting the area from sun exposure can help minimize scarring.

When can I shower after a second degree burn?

You can generally shower within 24 to 48 hours after the burn, but avoid directing the water stream forcefully at the burn. Let lukewarm water flow gently over the area. Do not soak the burn in a bathtub, pool, or hot tub until it is fully healed, as prolonged submersion can soften tissue and increase infection risk. Pat the area dry gently after showering and reapply ointment and a fresh bandage.

Act Quickly and Carefully

Knowing how to treat a 2nd degree burn properly from the first moment of injury through full recovery can prevent complications, reduce pain, and minimize scarring. Cool the burn immediately with running water for at least 10 minutes, protect blisters, use sterile non-stick dressings, and monitor for infection. For burns that are large, deep, or on sensitive areas, seek professional medical care promptly. Your actions in the first few minutes after a burn have a lasting impact on healing.