What should I do if my finger gets burned and starts oozing pus?

Written by Li Xiao Lin
Emergency Department
Updated on September 03, 2024
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Finger burns have developed a pus discharge, indicating a severe infection at the burn site. Once an infection occurs, in addition to disinfection, oral antibiotics should be administered for anti-infection treatment. Disinfection may need to be carried out once or twice daily. The disinfection process involves washing with saline solution, then further sterilization and disinfection with hydrogen peroxide. After rinsing with saline, re-disinfect with iodophor, and then cover with gauze and dressing. Gentamicin can be applied on top of the gauze to promote healing and improvement of the infection. If oral medications are ineffective, intravenous antibiotic infusion may be necessary for anti-infection treatment. (Medication use should be supervised by a professional doctor.)

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Written by Li Xiao Lin
Emergency Department
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How long will it take for a burn on the finger to ease the pain?

After a finger scald, how long it takes for the pain to alleviate depends on the severity of the burn, and the specific time cannot be confirmed. Generally, the pain caused by burns is mainly due to damage to the epidermis, which affects the peripheral nerves, leading to neuropathic pain. At the start of the burn, you can rinse with cold water for half an hour to appropriately alleviate the pain. However, this pain relief is only temporary, so you may need to take some medications to alleviate it, such as pain relievers or celecoxib, which might be effective. If the injury is deeper, affecting below the dermal layer and damaging the nerves, then there will be no pain, and there is no need to address the pain. (The use of medications should be under the guidance of a professional doctor.)

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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 Li Xiao Lin
Emergency Department
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How to deal with blisters from a burn when there is no burn ointment available

After a burn causes blisters, it indicates that the burn is quite severe. If you don’t have burn ointment, there are two other methods that can be adopted. The first method is applicable if the blister is small and contains little fluid. You can protect the blister from infection by thoroughly disinfecting the area and then covering it with sterile gauze to wait for the blister to be absorbed. If the blister is large and filled with significant fluid, you can use a needle to drain it or make a small incision at its lowest point to let the fluid out. Then, thoroughly disinfect the area and cover it with a sterile gauze pad. You can wait for the fluid to be absorbed as much as possible while preventing infection. Avoid contacting the burn with water to protect the area and prevent secondary infection.

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Written by Li Xiao Lin
Emergency Department
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Can a burnt finger heal?

Whether a burnt finger can heal depends on the severity of the burn; we cannot generalize. If the burn affects only the epidermis, it should heal quite well and can fully recover. However, if the burn reaches the dermis beneath the skin, healing can still occur but will take longer and may leave some complications and scarring. Scarring can restrict movement of the finger and affect its appearance. If the burn is very deep, below the dermis, and affects nerves and blood vessels, the healing capacity will be significantly reduced. Healing may be poor, affecting the function or mobility of the finger, leading to severe impairment similar to paralysis. In severe cases, amputation might be necessary.

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Written by Wang Xiang Li
Emergency Medicine
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What fruit is good to eat for burns?

After a burn, one should consume more high-calorie, high-protein foods that are easy to digest. It is also appropriate to eat more foods that are high in vitamin C content. This is because vitamin C can promote wound healing and prevent infection. Foods rich in vitamin C include kiwi, citrus, oranges, dates, grapes, etc. Besides vitamin C, zinc also promotes wound healing, reduces scarring, and prevents infection. Foods rich in zinc include kelp, sesame, pork liver, oysters, shrimp shells, seaweed, legumes, etc. Avoid spicy and stimulating foods, and refrain from smoking, alcohol, strong tea, and coffee, especially peppers, onions, and pepper powder. This can effectively prevent wound infection and promote wound healing, killing two birds with one stone.