The moment you burn yourself, the single most important thing to do is run cool water over the injury. Not ice water, not butter, not toothpaste. Cool, running water, started as quickly as possible, reduces the severity of the burn and can shorten healing time. How you care for the burn after that depends on how deep it goes.
Identify How Serious Your Burn Is
Burns fall into three categories based on how deep the damage reaches, and knowing which type you’re dealing with determines whether you can manage it at home or need professional help.
- Superficial (first-degree): Only the outermost layer of skin is damaged. The area looks red, feels painful, and may swell slightly, but there’s no blistering. Sunburns are the most common example. These heal on their own within a week.
- Partial-thickness (second-degree): The damage extends into the second layer of skin. These burns blister, may change color or texture beyond simple redness, and are often intensely painful. Small partial-thickness burns can be treated at home, but larger ones need medical attention.
- Full-thickness (third-degree): The burn goes through all layers of skin and can reach the fat underneath. Because nerve endings are destroyed, these burns may not hurt at all despite looking severe. The skin can appear white, brown, or charred. Full-thickness burns always require emergency care.
Cool the Burn Immediately
Hold the burned area under cool running water as soon as possible. The International Liaison Committee on Resuscitation strongly recommends immediate cooling with running water for all thermal burns in both adults and children. Interestingly, research hasn’t pinpointed an exact ideal duration, so the traditional advice of 10 to 20 minutes remains a reasonable guideline. Starting irrigation before you even get to a hospital reduces burn severity and can shorten recovery.
Don’t use ice or ice water. Extreme cold can damage already injured tissue and restrict blood flow to the area. Cool tap water is enough. After cooling, gently pat the area dry with a clean cloth.
What Not to Put on a Burn
Butter, cooking oil, egg whites, and toothpaste are all common home remedies that trap heat in the skin and increase the risk of infection. Skip them entirely. Ice applied directly to the burn can cause frostbite on top of the existing injury. Sticky adhesive bandages placed directly on the wound will tear healing skin when removed.
Cover and Protect the Wound
Once the burn is cooled and dry, cover any open areas with a non-adherent dressing, touching only the edges as you place it. Then layer dry sterile gauze on top and hold everything in place with a rolled gauze wrap. Never place dry gauze directly on an unhealed burn surface because it will stick to the wound bed and cause pain and damage when you remove it.
If you’re applying an ointment (like petroleum jelly or an antibiotic ointment recommended by your pharmacist), spread it onto the dressing with a clean utensil like a tongue depressor or the flat side of a butter knife. Don’t apply ointment directly to the burn with your fingers, and don’t dip your fingers into the jar, since this introduces bacteria.
Change the dressing every day. Each time, gently clean the area, inspect it for signs of infection, reapply ointment to a fresh dressing, and re-wrap.
Managing Blisters
Burn blisters form when the top layer of skin separates from the layer beneath it due to heat damage. The instinct to pop them is understandable, but this is one area where expert opinion is genuinely split. If a blister has already ruptured on its own, the general consensus is to carefully remove the loose dead skin. For intact blisters, many burn centers recommend draining or debriding them rather than leaving them alone, since the fluid inside can slow healing and harbor bacteria. Small, intact blisters that aren’t causing discomfort are often left alone at home, but larger blisters or those on hands and feet are better evaluated by a healthcare provider who can drain them cleanly.
Pain Relief That Works
Burns hurt, and the pain often peaks in the first 48 hours. Acetaminophen (Tylenol) and ibuprofen (Advil, Motrin) work well together because they target pain through different pathways. Burn centers commonly use both at the same time: acetaminophen every six hours and ibuprofen every eight hours. Don’t exceed 4,000 mg of acetaminophen in a 24-hour period. If you weigh less than about 110 pounds, the safe maximum is lower, roughly 75 mg per kilogram of body weight per day.
Ibuprofen also reduces inflammation, which helps with swelling. Avoid it if you have kidney problems. Keeping pain medication on a schedule rather than waiting until the pain spikes makes a noticeable difference in comfort during healing.
Watch for Signs of Infection
Even well-cared-for burns can become infected. During your daily dressing changes, look for these warning signs:
- Increasing or severe pain that gets worse rather than gradually improving
- Pus or cloudy fluid leaking from the burn
- Spreading discoloration that extends beyond the original burn borders
- A foul smell coming from the wound
If you develop a fever alongside any of these symptoms, go to an emergency room. A localized infection caught early is straightforward to treat, but a burn infection that reaches the bloodstream becomes dangerous quickly.
Chemical and Electrical Burns Need Different Care
Chemical burns require the same basic principle of flushing with water, but with a few critical exceptions. First, remove all clothing, shoes, and jewelry from the affected area. If the chemical is a dry powder like lime, brush it off the skin before adding water. Lime reacts with water to produce a strong alkali that makes the burn worse. Once dry chemicals are removed, flush with large amounts of running water.
Electrical burns, including lightning injuries, always require emergency evaluation. The visible injury on the skin often underrepresents the damage underneath, since electricity travels through tissue and can injure muscles, nerves, and the heart along its path.
Burns That Require Professional Care
Some burns should never be managed at home. The American Burn Association’s referral criteria include:
- Any burn on the face, hands, feet, genitals, or over a major joint
- Full-thickness burns larger than about the size of your palm
- Partial-thickness burns covering more than 10% of the body in children under 10 or adults over 50, or more than 20% in other age groups
- All electrical and chemical burns
- Burns combined with smoke inhalation
- Burns in anyone with a chronic medical condition like diabetes that could slow healing
A quick way to estimate burn size: the palm of the injured person’s hand (not including fingers) represents roughly 1% of their total body surface area.
Don’t Forget About Tetanus
Burns create the type of wound that carries tetanus risk. The CDC classifies burns alongside crush injuries and frostbite as wounds containing devitalized tissue. If you haven’t had a tetanus booster in the last five years and the burn is significant, you need one. If you’re unsure of your vaccination history or never completed the primary tetanus series, you need one regardless of the burn’s size.