How long should a cold compress be applied after a burn?

Written by Li Xiao Lin
Emergency Department
Updated on March 20, 2025
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After a burn, cold compresses are generally applied until the pain is relieved, which helps to decrease local temperature and reduce further progression of the burn. Then, thoroughly disinfect with iodine to reduce the risk of infection. If necessary, burn ointment can be used to promote healing of the burn, providing astringent and anti-inflammatory effects, beneficial for burn recovery. Sterile gauze can also be used to cover the wound to reduce contact infections. Normally, attention should be paid to diet, avoiding spicy, stimulating foods and seafood that may cause inflammation. It is advisable to drink more water and consume more fresh vegetables and fruits. If the pain is significant, oral pain relievers can be taken to alleviate symptoms, and antibiotics may be taken if necessary to prevent infection.

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Written by Li Xiao Lin
Emergency Department
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Can a burnt finger be wrapped up?

Burned fingers should not be wrapped up. A finger burn occurs when the skin and soft tissues of the finger are damaged by hot water, causing an inflammatory response, which can lead to symptoms such as redness, swelling, heat, and pain, and severe cases can cause necrosis of the skin and dermis. If wrapped up, the temperature of the burned finger cannot decrease, which might worsen the degree of the burn. Generally, after a finger burn, it is advisable to quickly soak or rinse the finger in cold or running water for at least about half an hour to lower the temperature of the finger. This can reduce the severity of the burn and thus protect the finger.

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Written by Li Xiao Lin
Emergency Department
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Why did the burnt finger turn black?

Finger burns that turn black indicate a relatively severe burn, likely second-degree or worse. It is crucial to immediately rinse the burn with cold water or running cold water for at least 30 minutes to lower the temperature and alleviate pain symptoms. After initial treatment, seek further medical assistance at a hospital for procedures like disinfection, burn ointment application, or wrapping with gauze for protective treatment. If the pain is significant, oral painkillers such as acetaminophen or celecoxib can be taken for pain relief. If oral painkillers are ineffective, pain relief medication may be administered via muscle injection. Antibiotics may also be needed to prevent infection. Additionally, it is advised to receive a tetanus antitoxin injection as a preventative treatment against tetanus. Under a doctor's supervision, dressings should be frequently or daily changed to promote healing of the burn. Drink plenty of water, consume more vegetables and fruits, and avoid spicy foods to facilitate the recovery of the injured finger.

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Written by Wang Xiang Li
Emergency Medicine
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What should I do if it itches after a burn?

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 Wang Xiang Li
Emergency Medicine
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How to treat baby's burns with blisters

If the burn has just occurred, first ensure the baby is quickly removed from the heat source, and soak the affected area in running tap water or cold water for over half an hour. Alternatively, a cold towel can be used to moisten and cover the wound, which can reduce the thermal damage to the burn area and minimize the formation of weeping wounds. If the blistered area is small, a moisturizing burn ointment can be applied. If there are small blisters, they may be left untreated, but do not break them; this maintains a sterile environment and allows the blister to absorb slowly. However, if it is a large burn area, it is necessary to seek immediate medical attention at a nearby burn unit for proper dressing and treatment of the burn. Additionally, care should be taken to avoid squeezing the burned area and to prevent the wound from getting wet.

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Written by Wang Xiang Li
Emergency Medicine
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Can you drink alcohol after being scalded by oil?

After being scalded by oil, one should not drink alcohol, as alcohol can accelerate local blood circulation at the burn site, thereby worsening local congestion, swelling, and pain, and also prolonging the healing time of the wound. Therefore, after being scalded by oil, it is not advisable to consume beer, spirits, fruit wines, or yellow wine. Patients also need to be mindful of their diet and avoid consuming spicy foods such as raw onions, raw garlic, chili peppers, and leeks, which, like alcohol, can cause an increase in local congestion, swelling, and pain.