What should I do if it itches after a burn?

Written by Wang Xiang Li
Emergency Medicine
Updated on February 15, 2025
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Itchy after scalding may be a mild itching sensation that appears during the wound healing process. This situation does not require deliberate treatment. With timely medication and dressing changes, the itchy feeling can gradually subside as the skin at the wound site heals. However, if redness and mild suppuration occur at the wound site, this indicates an allergic infection. In such cases, it is recommended to clean and disinfect with iodophor, followed by the external application of antibacterial medication and dressing, which can help treat the infection and promote healing at the site. If necessary, oral cephalosporin medications can be taken for combined treatment, which is more conducive to promoting healing. Additionally, during the recovery period, it is important to keep the wound dry and sanitary, avoid contact with water, and not consume spicy and irritating foods, to avoid affecting the healing of the wound.

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Written by Li Xiao Lin
Emergency Department
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How to treat scalds from boiling water?

After being scalded by boiling water, immediately rinse the scalded area with running cold water for at least half an hour, or until the pain eases, then assess the condition of the burn. If the scalded area is only red and experiencing severe pain, applying toothpaste, aloe, or tung oil topically can have a cooling and pain-relieving effect. Pain relief medications, such as oral painkillers or celecoxib, can also be used to alleviate the symptoms. If blisters appear on the scalded area or if the skin starts peeling, immediately go to the hospital for further treatment. Disinfect the wound thoroughly with iodine to prevent infection, then apply burn ointment to the surface to promote healing of the scalded tissue. If there are large blisters, use a sterile syringe to aspirate the fluid, or make a small cut at the base of the blister to drain the fluid, which can facilitate recovery. Apply erythromycin ointment to the surface to prevent infection. (Medication should be used under the guidance of a physician.)

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Written by Chen Xiao Jun
Emergency Department
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What should I do about the dead skin from a burn on my finger?

Generally, after a finger is scalded, damage occurs to the skin's soft tissues, and some of the skin may necrotize. Once necrosis sets in, the blood supply to the affected area becomes poor. At this point, it is necessary for the body to promptly remove this dead skin. It is best to have debridement under the guidance of a physician to remove the necrotic skin and soft tissue; otherwise, these necrotic tissues can easily become infected, which in turn can cause harm to the body. Therefore, after necrosis occurs following a finger scald, it is advisable to immediately visit the emergency department of a hospital for debridement. Removing the necrotic tissue and performing proper dressing and disinfection will promote the rapid recovery and healing of the skin tissues.

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Written by Wang Xiang Li
Emergency Medicine
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How long will it take for a burn with broken skin on the finger to heal?

When a finger is scalded, local symptoms such as swelling, redness, heat, and pain—an inflammatory response—will occur. The patient will experience significant pain and a burning sensation. Under these circumstances, it is essential to clean the wound promptly to prevent infection. If there is broken skin, it needs to be disinfected with hydrogen peroxide, then rinsed with saline solution, followed by an application of iodine. It is important to keep the skin at the broken site dry and avoid contact with water and contaminants. With such treatment, the broken skin typically forms a scab within about a week. After another week, the skin in the affected area will heal and regenerate.

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Written by Li Xiao Lin
Emergency Department
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What should I do if it keeps burning after a scald?

After a burn, if there is persistent burning pain, you can first rinse with running cold water until the pain eases. Then apply toothpaste, aloe, or camphor oil on the surface of the burn to cool and relieve pain, alleviating symptoms. If necessary, cover the burned area with a sterile gauze and then apply ice. This can help relieve pain. If needed, pain relief medication such as painkillers or celecoxib can be taken orally. If the pain is severe, you can also go to the hospital for an intramuscular injection of dexamethasone or butorphanol to relieve symptoms. Also, pay attention to diet; avoid spicy, stimulating foods and foods that cause inflammation. Drink plenty of water and eat fresh vegetables and fruits. (Medication should be used under the guidance of a physician.)

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Written by Wang Xiang Li
Emergency Medicine
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Can soy sauce be used for burns?

After a burn, do not apply soy sauce because it contains a high amount of salt, which can aggravate the severity of the burn. Additionally, soy sauce may not be clean and could possibly contaminate the wound with bacteria, leading to infection. However, consuming soy sauce does not significantly affect the healing of burns. The correct practice is to immediately soak the burned area with running tap water or cold water for about half an hour, then observe if there are any blisters or similar conditions. You can apply some burn moisturizing cream for further treatment. Generally, the wound should be treated with exposure therapy, and in severe cases of burns, skin grafting or flap surgery might be considered.