Finger Injury from Wire: Tetanus Risk and Healing Concerns

Finger punctured by wire?

Two days ago, I was injured by a wire from a sink drain, with a penetration depth of about 0.1 cm.
The wire entered horizontally, but the entry point has already healed, although there are still visible signs of penetration under the skin.
It feels like the inside has not fully healed, and it is not an open wound.
Currently, the area around the wound is slightly red, and there is mild pain upon pressure.
Is there a possibility of tetanus infection?

xiang, 10~19 year old female. Ask Date: 2019/03/11

Dr. Peng Xianwen reply Surgery

It is best to come to my clinic for a clear answer.

Reply Date: 2019/03/11

More Info

When it comes to injuries caused by rusty metal, such as a wire puncture, there are several important considerations regarding tetanus risk and healing. Tetanus is a serious bacterial infection caused by Clostridium tetani, which can enter the body through wounds, especially those that are deep or contaminated with dirt or rust.
In your case, you mentioned that the wire punctured your skin to a depth of about 0.1 cm and that the wound has already begun to heal, although you can still see signs of the puncture beneath the skin. The fact that the wound is not open and has started to heal is a positive sign, but the presence of mild redness and slight pain upon pressure indicates that there may still be some inflammation or irritation in the area.

First and foremost, it is essential to assess your tetanus vaccination status. The Centers for Disease Control and Prevention (CDC) recommends that adults receive a tetanus booster shot every ten years. If you have not had a tetanus booster in the last five years, or if you are unsure of your vaccination history, it is advisable to consult a healthcare provider. They may recommend administering a booster shot, especially since the injury was caused by a metal object, which raises the risk of tetanus.

Regarding the healing of your wound, the fact that it is showing signs of redness and tenderness could indicate a localized infection or inflammation. While minor redness and discomfort can be normal during the healing process, persistent or worsening symptoms should not be ignored. If you notice increased swelling, warmth, or pus, or if the pain intensifies, it is crucial to seek medical attention. An infection could complicate the healing process and may require treatment, such as antibiotics.

In addition to monitoring for signs of infection, it is important to keep the area clean and dry. You should avoid exposing the wound to water, especially in the first few days after the injury, to prevent further irritation or infection. If you have not already done so, gently clean the area with mild soap and water, and consider applying an over-the-counter antibiotic ointment to help prevent infection. Covering the wound with a sterile bandage can also protect it from dirt and bacteria.

If you experience any systemic symptoms, such as fever, chills, or increased pain, or if the redness spreads beyond the immediate area of the wound, you should seek medical care promptly. These could be signs of a more serious infection that requires professional evaluation and treatment.

In summary, while your injury appears to be healing, it is essential to monitor for signs of infection and ensure that your tetanus vaccination is up to date. If you have any concerns about your symptoms or the healing process, do not hesitate to reach out to a healthcare professional for personalized advice and treatment options. Taking these precautions can help ensure a smooth recovery and minimize the risk of complications.

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