Mason Delacroix
Many people have been taught to clean cuts and wounds with hydrogen peroxide or rubbing alcohol. While it is true that both substances are antiseptics that can kill germs, they can also harm healthy cells and tissue, delaying the healing process. Doctors now recommend cleaning minor wounds with mild soap and water, and applying a thin layer of ointment and a bandage to prevent infection.
| Characteristics | Values |
|---|---|
| Effectiveness in cleaning wounds | Hydrogen peroxide and alcohol can both kill germs and rinse away debris and bacteria. |
| Impact on healing | Hydrogen peroxide and alcohol can both slow down wound healing by killing healthy cells and delaying healing. |
| Pain | Hydrogen peroxide and alcohol can both cause pain and irritation when applied to wounds. |
| Recommended alternatives | Mild soap and water are recommended for cleaning wounds, followed by a thin layer of ointment and a bandage. |
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What You'll Learn
Hydrogen peroxide can destroy healthy tissue
Although hydrogen peroxide is a powerful disinfectant, it is no longer recommended for use on wounds. While it may seem like a good idea to sanitise a wound to prevent infection, hydrogen peroxide can actually harm healthy tissue and delay healing.
The fizzing and bubbling of hydrogen peroxide indicate that it is reacting with organic substances, which can include germs, but also healthy skin cells and immune cells. This reaction is oxidation, which destroys the cellular walls of germs, but also of healthy cells. This slows blood vessel formation, which is important for wound healing.
Dr. Troy Madsen, an emergency room physician, explains that while hydrogen peroxide may be effective at killing germs, it is also killing healthy tissue. This can cause a larger wound and make it harder for the body to heal. Madsen recommends using simple lukewarm tap water to clean a wound, rather than hydrogen peroxide.
Dr. Yaakovian agrees, stating that hydrogen peroxide is "detrimental to wound healing" and "prevents healing rather than promoting it". Yaakovian suggests that, although a wound needs to be cleaned and kept clean, there are other ways to achieve this without damaging healthy tissue. For example, wounds can be cleaned with mild soap and water, and kept moist with Vaseline or petroleum jelly to aid healing.
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Alcohol can irritate nerve endings
While cleaning a cut with alcohol or hydrogen peroxide can help rinse away debris and bacteria, it is important to note that continued use can irritate nerve endings and slow wound healing. This is because alcohol can cause nerve damage, a condition known as alcoholic neuropathy, which can result from excessive alcohol consumption.
Alcoholic neuropathy is characterised by damage to the peripheral nerves, which are responsible for transmitting signals between the body, spinal cord, and brain. These nerves also help manage important sensory and motor functions, including controlled and involuntary movements and sensations. Symptoms of alcoholic neuropathy include pain, tingling, and numbness in the limbs, as well as muscle weakness and cramping. In severe cases, alcoholic neuropathy can affect the nerves that regulate internal body functions (autonomic nerves), leading to problems with urination and changes in muscle strength.
The damage caused by alcoholic neuropathy is usually permanent, and the condition is likely to worsen if alcohol consumption continues. However, research suggests that nerve damage can be partially or fully reversed if alcohol consumption is stopped and a treatment plan is followed. This may include nutritional supplementation, physical therapy, and medications to manage neurological symptoms.
Therefore, while alcohol can be used to clean a cut initially, it is important to switch to using mild soap and water for continued care to avoid irritating nerve endings and delaying wound healing.
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Cleaning wounds with soap and water
When it comes to cleaning wounds, it is important to do so properly and promptly to prevent infection and speed up the healing process. While some might suggest using alcohol or hydrogen peroxide to clean a wound, this is no longer advised. These substances can harm tissue, kill healthy skin cells and immune cells, and slow down blood vessel formation, ultimately hindering the healing process.
Instead, cleaning wounds with soap and water is a recommended and effective method. Here is a step-by-step guide on how to do it:
- Wash your hands with soap and water or use hand sanitiser before touching the wound to prevent infection.
- Rinse the wound with clean, cool running water to loosen and remove dirt, debris, and bacteria. Ensure you rinse for at least five minutes.
- Use a soft washcloth and mild soap to gently clean the area around the wound. Avoid putting soap directly into the wound, as it can cause irritation and pain.
- Use sterile tweezers to remove any remaining dirt or debris from the wound after washing. Ensure the tweezers are cleaned with isopropyl alcohol beforehand.
- If the wound is bleeding, apply gentle pressure with a clean cloth or sterile gauze until the bleeding stops.
- For burn wounds, run cool water over the area or apply a cool, wet cloth for 10 to 15 minutes.
- If there is a risk of the wound coming into contact with dirt or clothing, or if it is a large wound, cover it with a bandage. Use a clean, sterile, non-stick bandage and change it daily or whenever it gets wet or dirty.
- Keep the wound moist to promote faster healing. Apply a thin layer of an antibiotic ointment or white petroleum jelly to maintain moisture and prevent infection.
- Clean the wound twice a day with soap and water, applying a new bandage and ointment after each cleaning.
By following these steps, you can effectively clean and care for a wound, promoting faster healing and reducing the risk of infection.
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How to dress a wound
When it comes to dressing a wound, it's important to take the necessary steps to ensure proper healing and avoid infection. Here is a step-by-step guide on how to effectively dress a wound:
Step 1: Assess the Wound
Start by evaluating the severity of the injury. If it is a superficial wound, meaning only the surface of the skin is broken, you can usually treat it at home. However, if the wound is large, deep, or bleeding continuously, seek medical attention from a professional.
Step 2: Stop the Bleeding
Apply gentle pressure around the wound using a clean cloth or gauze to help stop the bleeding. Hold it firmly for a few minutes until the bleeding subsides.
Step 3: Clean the Wound
Contrary to popular belief, using alcohol or hydrogen peroxide is not recommended for cleaning wounds. While they can initially rinse away debris and bacteria, they can also harm healthy tissue and delay healing. Instead, opt for cleaning the wound with cool or lukewarm running water and a mild soap. Rinse the wound for at least 5 to 10 minutes to effectively remove any dirt, debris, and bacteria.
Step 4: Apply a Thin Layer of Ointment
Once the wound is clean and dry, you can apply a thin layer of ointment to help keep the area moist and promote faster healing. Petroleum jelly or a simple antibiotic ointment can be used for this purpose. Avoid using large amounts of ointment, as it may slow down the healing process.
Step 5: Dress the Wound
Cover the wound with a sterile bandage to protect it from external factors such as dirt and bacteria. This will also help hold the edges of the wound together, promoting faster healing. Change the bandage regularly, especially if it gets wet or soiled, to maintain a clean environment for the wound to heal.
Step 6: Monitor the Healing Process
Keep an eye on the wound as it heals. If you notice any signs of infection, such as redness, swelling, or increased pain, seek medical advice. Additionally, deep or large wounds may require further attention to ensure proper healing.
It is important to note that while alcohol and hydrogen peroxide have been traditionally used for cleaning wounds, they are no longer advised due to their detrimental effects on healthy tissue. Always consult a healthcare professional if you are unsure about how to properly dress a wound or if the wound shows any signs of infection.
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Why alcohol and hydrogen peroxide burn
Alcohol and hydrogen peroxide are commonly used to sanitise wounds. However, they can harm the tissue and delay healing.
Firstly, alcohol and hydrogen peroxide kill healthy cells within the wound, including healthy skin cells and immune cells, which are important for wound healing. Secondly, they slow blood vessel formation, which is another crucial aspect of wound recovery.
Alcohol activates the skin cells' VR1 receptors, which are the same receptors used to transmit the sensation of heat. These are the same receptors that respond to spicy food (capsaicin).
The best way to clean a minor wound is with cool running water and mild soap. Rinse the wound for at least five minutes to remove dirt, debris, and bacteria. Wounds that are large, deep, or bleeding nonstop should be treated by a medical professional.
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Frequently asked questions
No, you should not use alcohol or hydrogen peroxide on a cut. Although they can be used to clean the wound initially, continued use can harm healthy tissue and delay healing.
The best way to clean a minor wound is with cool running water and mild soap. Rinse the wound for at least five minutes to remove dirt, debris, and bacteria.
Hydrogen peroxide (H2O2) is a powerful disinfectant that reacts with certain organic and reactive substances, causing it to bubble and fizz.
Alcohol activates the skin cells' VR1 receptors, which are the same receptors used to transmit the sensation of heat.
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