Liam Carter
Razor cuts through the fingernail can range from minor to severe. If the cut goes through the skin and leaves a large wound, you will likely need stitches. For more serious nail injuries, it is recommended to go to an urgent care center or the emergency room. Treatment for less severe cuts can be done at home with basic first aid.
How to treat a razor cut through a fingernail
| Characteristics | Values |
|---|---|
| First steps | Try to control the bleeding. If the bleeding is heavy, bright red, or spurting, take steps to control it. |
| Treatment at home | If the nail is still attached to the nail bed, gently clean the wound with water or a saline solution. Keep the wound dry and clean, and avoid putting substances like nail polish, glue, or ointment directly on it. Bandage the wound to protect it and keep it clean. |
| Treatment at urgent care or the emergency room | If the cut goes through the skin and leaves a large wound, you will probably need stitches. For severe injuries, such as those with deformities, exposed bone, or wounds that are too large for stitches, you may require surgical repair. |
| Pain relief | Take prescription pain relievers as directed, or use ibuprofen or naproxen to reduce pain and swelling. Acetaminophen can also help with pain, but not swelling. |
| Healing time | If you lose your nail, it will take about 7 to 10 days for the nail bed to heal. A new fingernail will take about 4 to 6 months to grow back, and it may have grooves or ridges and be somewhat misshapen. |
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What You'll Learn
Stop the bleeding
If you've cut through your fingernail with a razor, it's important to remain calm and take immediate action to stop the bleeding and prevent infection. Here are the steps you should follow:
- Wash your hands: Before tending to the wound, it's crucial to prevent the spread of infection by washing your hands with soap and water.
- Apply pressure: Use a clean cloth, tissue, gauze, or a sterile bandage to apply direct and constant pressure to the wound. This will help stop the bleeding by allowing a natural clot to form. Maintain pressure for at least 5–10 minutes without checking. If the bleeding hasn't stopped, continue to apply pressure for another 5–10 minutes.
- Elevate your finger: If possible, raise your injured finger above the level of your heart. This will help slow down the bleeding. You can allow your hand or arm to rest on something if needed.
- Add more layers if needed: If the blood soaks through the cloth or gauze, do not remove it. Instead, add more clean cloths or gauze on top and continue to apply pressure.
- Seek medical attention if necessary: If the bleeding doesn't stop after 15–20 minutes of continuous pressure, or if the cut is deep, long, or jagged, seek medical care or call for emergency assistance.
Remember, even a small cut on your finger can bleed excessively, so it's important to take immediate action and never ignore a bleeding wound, no matter its size.
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Clean the wound
If you've cut through your fingernail with a razor, the first thing to do is try to stop any bleeding. Apply pressure with a clean cloth—if the blood soaks through, don't remove the cloth, simply add more clean cloths on top.
Once the bleeding has stopped, it's time to clean the wound. This is an important step to prevent infection. Wash your hands thoroughly before you begin. If you're wearing any rings or other jewelry, remove them. If your finger is swollen, you may need to use soap to help the rings slip off.
Now, gently clean the wound with water. If you have access to a sterile saline solution, use this instead to wash the wound. If there is dirt or debris in the wound, carefully remove it with a clean, disposable tool like a cotton swab or a small piece of clean gauze. Do not use alcohol to clean the wound, as this can damage healthy tissue.
Once the wound is clean, you can apply a small amount of antibiotic ointment to prevent infection and keep any dressing from sticking. Cover the wound with a sterile bandage or gauze. Change the dressing daily, or whenever it gets dirty.
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Apply ice to reduce throbbing and swelling
If you've suffered a deep cut to the finger, it's important to act fast. First, you need to try to control the bleeding. Then, get emergency medical help. Once the bleeding is under control, you can apply ice to the injured finger to reduce throbbing and swelling. Wrap the ice in a hand towel or cloth and apply it to the injured finger for up to 20 minutes at a time, several times a day. This will help to stop the bleeding and prevent a blood blister from forming under the nail. It's important to avoid putting direct pressure on the wound and to never apply ice directly to the skin. Instead, rest your finger on top of a covered ice pack or compress.
Raising your hand above the level of your heart can also help to slow the blood flow to the wound, reducing inflammation and pain. Over-the-counter anti-inflammatory medications like ibuprofen or acetaminophen can also help to manage pain and reduce swelling. If you are experiencing severe pain or swelling, or if your symptoms do not improve with basic treatment, be sure to seek medical attention.
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Bandage the wound
Bandaging a cut on your fingernail correctly is important to prevent infection and promote healing. Here is a step-by-step guide:
Prepare the wound:
Before bandaging, it is crucial to prepare the wound properly. Start by rinsing the cut with clean, sterile water. Avoid using soap, as it may irritate the wound. Gently pat the area dry with a clean gauze or cotton pad. If the bleeding is severe, apply direct pressure to the wound with a clean cloth or bandage, and elevate your finger above heart level to help control the bleeding.
Apply antibiotic ointment:
Once the wound is clean and dry, apply a thin layer of antibiotic ointment to prevent infection. This is especially important for nail injuries, as bacteria can easily get trapped underneath the nail and cause an infection.
Choose the right bandage:
Select an adhesive bandage of appropriate size and shape for your fingertip. Fingertip bandages are shaped like an hourglass and provide extra support. If using a standard strip bandage, modify it by cutting a lengthwise slit down the center of each adhesive end. This makes it easier to wrap the bandage around your fingertip without it slipping off or becoming bulky.
Apply the bandage:
Peel off the outer packaging of the bandage. Remove one side of the protective covering and attach the sticky part to your finger, ensuring the pad covers the wound. Wrap the bandage around your finger, removing the other covering as you go. Avoid wrapping too tightly, as this can cut off circulation.
Secure the bandage:
Secure the bandage by pulling the top ends over your fingernail so they crisscross, forming an "X." Then, bring the bottom ends down onto your finger. This technique prevents the bandage from slipping off.
Aftercare:
Change your bandage daily or whenever it gets dirty or wet. Inspect the wound for signs of infection each time you change the bandage. Wash your hands before handling the wound to avoid introducing bacteria. Keep your hand elevated above heart level as much as possible during the first 24 hours to reduce throbbing and swelling.
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Seek medical attention if needed
If the cut on your fingernail is minor, you can treat it at home with basic first aid. However, if the cut is deep and severe, you should seek medical attention. Here are some scenarios where it is advisable to seek medical help:
When the cut is deep and affects more than just the nail:
- If the cut goes through the skin and leaves a large wound, you will likely need stitches.
- If you can see fat, muscle, or bone, seek medical attention immediately. Deep cuts may cause damage to tendons, ligaments, and bones and will require prompt medical care.
- If the bone under the nail is fractured, an X-ray will be needed for diagnosis, and medical treatment should be sought.
When there are signs of infection:
- If there are signs of infection, such as redness, swelling, or pus-filled blisters, seek medical attention.
- If you have diabetes, poor circulation, AIDS, are on chemotherapy, or have another condition that affects healing or increases the risk of infection, it is important to see a doctor.
When the injury is severe and complex:
- In cases of severe injuries, such as deformities, exposed bone, or wounds that are too large for stitches, surgical repair may be necessary.
- If the cut results in a nail avulsion, where a portion of the nail is lifted off the nail bed or is sticking out, medical attention is required.
- If a large bruise or hematoma is present under the nail, a doctor may need to drain the blood to relieve pressure and pain.
- If the nail needs to be removed and the nail bed repaired, this should be done by a medical professional.
It is important to note that most nail injuries are best managed in a hospital's emergency department, and you should seek medical attention within six hours of the injury.
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Frequently asked questions
If you've cut through your fingernail, first try to stop any bleeding. If you can stop the bleeding quickly and the nail is still attached to the nail bed, you can treat it at home. If not, you should go to an urgent care center or the emergency room.
To treat a razor cut through the fingernail at home, gently clean the wound with water or a saline solution. You can then wrap a bandage around your finger to protect the wound. You should also apply ice inside a cloth for 20 minutes every 2 hours on the first day, then 3 to 4 times a day after that.
To reduce pain, you can take prescription pain relievers or over-the-counter medications like ibuprofen, naproxen, or acetaminophen. You can also keep your hand or foot above the level of your heart to reduce throbbing.
If you lose your nail, it will take about 7 to 10 days for the nail bed to heal. A new fingernail will take about 4 to 6 months to grow back.
