Managing Infected Sebaceous Cysts: When to Seek Medical Attention - Dermatology

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The inflamed sebaceous cyst has ruptured, leaving a hole?


I have an inflamed sebaceous cyst, and the surrounding skin is red and swollen.
The dermatologist prescribed self-paid antibiotics, as well as medications covered by health insurance, which I've been taking for six days.
The pain has decreased, but the redness persists.
On the sixth day, the cyst ruptured, releasing a lot of pus and blood.
The dermatologist's office is closed on Saturday, so I drained the pus myself.
After doing so, I applied a bandage, but pus started to ooze out again after a while.
Should I keep changing the bandage? Now there is a hole left.
I disinfected it with iodine and applied topical antibiotics.
Do I need to go to a major hospital for an examination, or should I wait until my follow-up appointment with the dermatologist on Monday?

Mimi, 30~39 year old female. Ask Date: 2021/05/08

Dr. Wu Yuxin reply Dermatology


Follow-up appointment with dermatology is sufficient.

Reply Date: 2021/05/08

More Info


When dealing with an infected sebaceous cyst, it's essential to understand the nature of the infection and the appropriate steps to take for management. Based on your description, it seems that you have been experiencing an inflamed sebaceous cyst that has ruptured, leading to the discharge of pus and blood. Here’s a comprehensive guide on how to manage this situation and when to seek further medical attention.


Understanding Sebaceous Cysts
Sebaceous cysts, also known as epidermoid cysts, are common benign growths that can become inflamed or infected. They are typically filled with keratin and can become painful, red, and swollen when infected. In some cases, they may rupture, leading to the drainage of pus and other fluids.


Current Management Steps
1. Antibiotics: Since you have been prescribed antibiotics, it is crucial to complete the entire course as directed by your healthcare provider. This will help to eliminate any bacterial infection that may be present.

2. Wound Care: After the cyst has ruptured, it is important to keep the area clean. You mentioned using iodine for disinfection and applying an antibiotic ointment, which is a good practice. However, ensure that you are not over-irritating the area with excessive cleaning.

3. Dressing Changes: If the cyst has drained and you have a wound, it is advisable to change the dressing regularly. If you notice that pus continues to accumulate, it may be necessary to change the dressing more frequently to prevent the buildup of bacteria and further infection. Use sterile gauze and avoid touching the wound with unwashed hands.

4. Monitoring Symptoms: Keep an eye on the area for any signs of worsening infection, such as increased redness, swelling, warmth, or fever. If you experience any of these symptoms, it may indicate that the infection is not resolving and further medical evaluation is needed.


When to Seek Medical Attention
1. Persistent Symptoms: If you find that the area remains red and painful despite following your current treatment for several days, or if the cyst continues to drain pus, it is advisable to seek medical attention sooner rather than later.

2. Fever or Systemic Symptoms: If you develop a fever, chills, or feel generally unwell, these could be signs that the infection has spread, and you should seek immediate medical care.

3. Non-Healing Wound: If the wound does not show signs of healing after a few days, or if it appears to be getting worse, it may require further evaluation by a healthcare professional.

4. Specialist Consultation: Since you mentioned that the dermatology clinic is closed over the weekend, if you feel uncertain about the management of your cyst or if the symptoms worsen, it may be prudent to visit an urgent care facility or a hospital for evaluation.


Conclusion
In summary, while it is good that you are managing the cyst with antibiotics and proper wound care, it is crucial to monitor the situation closely. If you notice any signs of worsening infection or if the wound does not heal, do not hesitate to seek medical attention. It is always better to err on the side of caution when it comes to infections, especially if they involve a ruptured cyst. If possible, follow up with your dermatologist on Monday for further assessment and management.

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