How Do You Treat Burns? Steps From First Aid to Healing

Most burns you’ll encounter in daily life, like touching a hot pan or spilling boiling water, can be treated at home with cool running water, a simple ointment, and a non-stick bandage. More serious burns need professional medical care. The key is knowing which type you’re dealing with and acting quickly in the first few minutes, when what you do (and don’t do) matters most.

Identify How Deep the Burn Goes

Burns are classified by how many layers of skin they destroy, and treatment depends entirely on this depth.

  • First-degree burns damage only the outermost layer of skin. They look dry and red, similar to a sunburn, and are painful to the touch. These heal on their own within a week or so.
  • Second-degree burns reach into the deeper layer of skin. They’re moist, red, and extremely painful, and they typically form blisters. Because the hair follicles and oil glands in that deeper layer survive, the skin can still regenerate itself.
  • Third-degree burns destroy the full thickness of skin down to the fat layer. The burned area can appear white, brown, black, or even red, and it often feels dry or leathery. Counterintuitively, these burns are less painful than second-degree burns because the nerve endings in the skin have been destroyed. They can’t heal from the center of the wound and require medical treatment.
  • Fourth-degree burns extend into muscle, tendon, or bone. These need specialized surgical care.

Cool the Burn Immediately

The single most important thing you can do for a fresh burn is run cool (not ice-cold) water over it. This stops the burning process from continuing deeper into tissue. Hold the burned area under gently running water for at least 10 to 20 minutes. If running water isn’t available, a cool, clean wet cloth can work temporarily.

Do not apply ice directly to a burn. Ice can damage already-injured tissue and restrict blood flow to the area, which worsens the injury. Likewise, skip butter, toothpaste, and cooking oil. These home remedies trap heat against the skin, cause irritation, and make the burn worse.

What to Do About Blisters

Blisters are common with second-degree burns, and what you should do with them depends on their size and location. Small, firm blisters under about 6 millimeters (roughly the size of a pencil eraser) are best left alone. They act as a natural protective layer and are unlikely to rupture on their own.

Large, thin-walled blisters bigger than 6 millimeters are a different story. These tend to burst on their own, which raises the risk of infection. A healthcare provider can carefully remove the loose skin (a process called deroofing) to clean the wound bed, assess the burn’s true depth, and apply proper treatment. Blisters on fingertips, palms, and soles of the feet also benefit from professional removal because they cause significant discomfort and limit your ability to use your hands or walk.

If a blister has already ruptured, gently clean the area and remove any loose dead skin. Leaving torn blister skin on the wound can harbor bacteria and slow healing.

Covering and Dressing the Burn

After cooling, a burn needs to be covered to prevent infection and protect the raw skin from friction. For a minor burn at home, apply a thin layer of antibiotic ointment (like a combination antimicrobial ointment available at any pharmacy) and cover it with a non-stick bandage. Non-stick dressings have an absorbent pad with a smooth outer facing that won’t pull away new skin when you change it.

Hydrogel dressings are another good option, especially for first- and second-degree burns. These come pre-soaked in a clear, water-based gel that provides cooling relief and keeps the wound moist, which promotes faster healing. Because the gel is transparent, you can monitor the burn’s appearance without removing the dressing.

Change your dressing once a day, or whenever it gets wet or dirty. Each time, gently clean the wound with mild soap and water, reapply ointment, and put on a fresh bandage. For burns on the face, ears, or groin, antimicrobial ointments are generally preferred over other topical agents like silver sulfadiazine cream because they’re easier to apply and gentler on sensitive skin.

Managing Pain

Burns hurt, and second-degree burns in particular can be intensely painful. Over-the-counter pain relievers are the first line of defense. Ibuprofen works well because it reduces both pain and inflammation. Acetaminophen is a good alternative if you can’t take ibuprofen.

For ongoing pain between dressing changes, keeping the burn covered and moist helps significantly. Exposing a raw burn to air triggers nerve endings and spikes discomfort. Cool compresses can also provide temporary relief, though you should avoid prolonged cold exposure. If over-the-counter options aren’t controlling the pain, that’s a sign the burn may be more serious than it looks and worth having evaluated.

Burns That Need Professional Care

Not every burn can be safely managed at home. Seek medical attention for any burn that:

  • Appears white, brown, black, or waxy (signs of a third-degree burn)
  • Covers an area larger than 3 inches across
  • Involves the face, hands, feet, groin, or a major joint
  • Wraps all the way around an arm, leg, or finger
  • Was caused by chemicals or electricity
  • Shows signs of infection: increasing redness, swelling, oozing, or fever

Third- and fourth-degree burns always require professional treatment. Because the full thickness of skin is destroyed, these wounds heal only by contracting and forming scar tissue. They typically need skin grafting, where healthy skin from another part of the body is transplanted to cover the wound.

Tetanus and Burn Injuries

Burns are classified as “dirty” wounds by the CDC, which means your tetanus vaccination status matters. If your last tetanus shot was five or more years ago, you need a booster. If you’ve never been vaccinated, have an incomplete vaccination series, or simply don’t know when your last shot was, you’ll need both a vaccine and a dose of tetanus immune globulin for protection. If your last tetanus shot was within five years and your vaccination series is complete, no additional shot is needed.

Preventing Scars as the Burn Heals

Second-degree burns and deeper injuries carry a real risk of hypertrophic scarring, where thick, raised scar tissue forms over the healed area. Two of the most effective tools for minimizing this are compression garments and silicone gel sheets.

Silicone sheets are flat, flexible pads you place over the healing burn. They hydrate the scar tissue and help flatten it over time. Compression garments apply steady pressure to prevent the scar from thickening. Research published in the Journal of Burn Care & Research found that combining both approaches works better than compression alone. After 12 months of treatment, patients using compression garments with silicone saw their scar scores drop from 4.11 to 1.47 on a standardized scale, compared to a drop from 3.27 to 1.80 with compression garments alone. The benefit held regardless of where the scar was on the body, as long as the silicone made good contact with the skin.

For minor burns, keeping the wound moisturized as it heals and protecting it from sun exposure for at least a year are the simplest steps you can take. New scar tissue is especially vulnerable to UV damage, which can darken the scar permanently. A broad-spectrum sunscreen or physical covering over the area helps prevent this.