Managing a Boil: When to Seek Medical Attention for Skin Wounds - Dermatology

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Nail puncture wound


Hello, Doctor: I have developed a boil, but its location is a bit embarrassing, so I haven't seen a doctor! Since it doesn't hurt much unless I touch it, I have been taking care of it myself.
It grew to the size of an egg, and when it became soft in the middle, I finally punctured it (with sterilized tools) because it was about to burst, and I drained the pus and blood.
Now, on the fifth day, the drainage has decreased significantly, but today I noticed a hole under the skin of the wound...
a cotton swab can be inserted into it! I would like to ask you, with a wound like this, will it heal if I continue to change the dressing, or should I see a doctor? Note: Since I drained the pus and blood, the boil has not been painful, and the surrounding hard lump is gradually shrinking.
Now, only right after changing the dressing does the wound feel a bit itchy (I disinfect daily with iodine and apply mupirocin, covering the wound with gauze).
Thank you.

Mao, 20~29 year old female. Ask Date: 2024/01/05

Dr. Wu Yuxin reply Dermatology


If you are coming here to ask, it indicates that you have concerns.
Since you are worried, why not seek medical attention as soon as possible? You should make your own decision.

Reply Date: 2024/01/05

More Info


When managing a boil, it's essential to understand the signs that indicate when medical attention is necessary. A boil, also known as a furuncle, is a painful, pus-filled bump that forms under the skin due to bacterial infection, typically caused by Staphylococcus aureus. While many boils can be treated at home, certain conditions warrant a visit to a healthcare professional.

In your case, it seems that you initially managed the boil well by allowing it to drain and keeping the area clean. However, the presence of a "hole" in the skin where the pus was expelled raises some concerns. Here are some key points to consider regarding your situation:
1. Wound Care: It's good that you are using a disinfectant like iodine and applying an antibiotic ointment (like mupirocin) to the wound. Keeping the area clean and covered with a sterile dressing is crucial to prevent further infection. However, if the wound is deep enough that a cotton swab can be inserted into it, this could indicate that the boil has not fully healed or that there is a deeper cavity that needs attention.

2. Signs of Infection: Monitor the wound for signs of infection, which include increased redness, swelling, warmth, or discharge that is foul-smelling or has changed in color. If you notice any of these symptoms, it is essential to seek medical attention promptly.

3. Pain and Discomfort: You mentioned that the boil is no longer painful and that the surrounding hard lump is shrinking. This is a positive sign, but the presence of a cavity could mean that the healing process is not complete. If you experience any sudden increase in pain or discomfort, it would be wise to consult a doctor.

4. Duration of Symptoms: Since it has been five days since the boil was drained, and you are still seeing a cavity, it may be time to seek medical advice. Boils typically resolve within a week or two, and if the wound is not healing as expected, a healthcare provider may need to evaluate it. They might perform a physical examination and possibly imaging studies to assess the extent of the infection.

5. Underlying Conditions: If you have any underlying health conditions, such as diabetes or a weakened immune system, it is particularly important to seek medical attention sooner rather than later. These conditions can complicate the healing process and increase the risk of more severe infections.

6. Professional Treatment: A healthcare provider may need to clean the wound more thoroughly, prescribe oral antibiotics if there is a risk of systemic infection, or drain any remaining pus that may not have been expelled. They can also provide guidance on proper wound care and follow-up.

In summary, while it sounds like you have taken appropriate initial steps in managing your boil, the presence of a cavity and the duration of the symptoms suggest that it would be prudent to consult a healthcare professional. They can ensure that the wound is healing properly and that there are no complications. Remember, it's always better to err on the side of caution when it comes to skin infections.

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