Most minor burns can be treated at home with cool water, a clean dressing, and basic pain relief. The key is acting quickly in the first few minutes, then protecting the wound as it heals over the following days and weeks. How you care for a burn depends on how deep it goes, so understanding what you’re dealing with is the first step.
Identify How Serious Your Burn Is
Burns fall into three categories based on depth, and each one looks and feels different.
A first-degree burn damages only the outermost layer of skin. It causes redness and pain but no blistering. A sunburn is the most common example. These heal on their own within a week.
A second-degree burn goes deeper, damaging both the outer and second layers of skin. The skin may look red, white, or splotchy, and blisters often form. Pain can be intense. Shallow second-degree burns typically heal in two to three weeks, but deeper ones can scar.
A third-degree burn destroys all layers of skin and sometimes the fat or muscle underneath. The skin may look white, brown, black, or leathery. Because these burns destroy nerve endings, they may cause surprisingly little pain. Third-degree burns always require professional medical treatment, as do any burns covering a large area, wrapping around a limb, or affecting the face, hands, feet, genitals, or joints.
Cool the Burn Immediately
Run cool (not cold) tap water over the burn as soon as possible. This stops heat from continuing to damage deeper tissue. There’s no perfect consensus on exactly how long to cool a burn, but 10 to 20 minutes under running water is the most common recommendation across burn care guidelines. You don’t need to be precise. The goal is to bring the skin temperature down and reduce pain.
Do not use ice, ice water, butter, toothpaste, or cooking oil. Butter and toothpaste trap heat against the skin, cause irritation, and make the injury worse. Ice can damage already-fragile tissue by constricting blood flow too aggressively. Stick with plain, cool running water.
Handle Blisters Carefully
If your burn blisters, resist the urge to pop them. Small, firm blisters (smaller than about 6 millimeters, roughly the size of a pencil eraser) are best left alone. The intact blister acts as a natural bandage, protecting the raw skin underneath and helping control pain. These small blisters are unlikely to rupture on their own.
Larger, thin-walled blisters are a different story. They’re more likely to burst on their own, which raises the risk of infection. If a large blister forms, or one that’s already ruptured and has loose skin hanging over the wound, it’s best to have a healthcare provider remove the dead skin. This allows the wound to be properly assessed and treated, and it removes tissue that could harbor bacteria. Don’t try to peel off blister skin yourself with unsterile tools.
Dress and Protect the Wound
Once the burn is cooled, gently pat it dry with a clean cloth. Apply a thin layer of plain petroleum jelly or an aloe-based moisturizer to keep the wound from drying out. Avoid antibiotic ointments unless a doctor specifically recommends one, as some people develop allergic reactions to them that complicate healing.
Cover the burn with a non-stick gauze pad and secure it loosely with medical tape or a rolled bandage. Non-stick dressings are important because standard gauze can bond to the raw wound surface, tearing new skin when you change the bandage. Change the dressing once a day, or sooner if it gets wet or dirty. Each time you change it, gently clean the wound with mild soap and water, reapply moisturizer, and cover it again with a fresh pad.
Manage Pain Effectively
Burns hurt, especially second-degree burns where the nerve endings are damaged but still functional. Over-the-counter ibuprofen or acetaminophen can help significantly. Ibuprofen has the added benefit of reducing inflammation, which can ease swelling around the burn. Take either medication according to the package directions, and start before the pain becomes severe if possible.
Cool compresses (a clean, damp cloth) applied for short periods can also help with pain between medication doses. Keeping the burned area elevated above your heart, when practical, reduces throbbing by limiting blood flow to the area.
Watch for Signs of Infection
Even well-cared-for burns can become infected. Check the wound daily when you change the dressing and look for these warning signs:
- Increasing redness that spreads outward from the burn edges
- Swelling that gets worse rather than better after the first day or two
- Cloudy or foul-smelling drainage from the wound
- Increased pain after the initial few days, when pain should be decreasing
- Fever or feeling generally unwell
If you notice any of these, seek medical attention promptly. Burn wound infections can escalate quickly because the skin’s primary barrier against bacteria has been destroyed.
Check Your Tetanus Status
Burns are classified as “dirty” wounds by the CDC because damaged tissue creates an environment where tetanus bacteria can thrive. If your last tetanus booster was five or more years ago, you likely need one. If you’re unsure of your vaccination history, haven’t completed the primary tetanus series, or are immunocompromised, a booster (and possibly additional treatment) is recommended. This is worth checking with a pharmacist or doctor within 48 hours of the injury.
Minimize Scarring as You Heal
Once the burn wound has closed and new skin has formed, scar prevention becomes the priority. Two tools have strong evidence behind them: silicone and sunscreen.
Silicone gel or silicone sheets, applied directly to the healed skin for at least 12 hours a day over 8 to 12 weeks, can significantly flatten and fade scars. These products are available over the counter at most pharmacies. They work by hydrating the scar tissue and creating a protective barrier that regulates collagen production. Consistency matters more than brand. If you use silicone gel, let it dry completely before applying anything else on top.
New scar tissue is extremely sensitive to sun damage. UV exposure can darken scars permanently and break down the collagen and elastin your skin needs to heal smoothly. Apply a broad-spectrum sunscreen with SPF 30 or higher to any healed burn area before going outside, and reapply every two hours. If the scar is covered by a silicone sheet, apply sunscreen to the surrounding skin or use UV-protective clothing. This sun sensitivity can last a year or longer after the burn heals, so make sunscreen a habit for the area.
Gentle moisturizing and massage of the healed area can also help keep scar tissue soft and flexible, particularly for burns near joints where tight scars could limit your range of motion.