Enlarged and Infected Sebaceous Cyst
26-year-old male currently on pregabalin at 100mg, melatonin, a smoker, using cannabis, and taking L-citrulline. I’ve developed a sebaceous cyst located on my penis. My doctor has prescribed flucloxacillin 500mg to be taken four times daily, which I started last night. Since then, the cyst has become noticeably more inflamed and seems on the verge of bursting. I’m concerned it will leave a significant scar if it does. Should I consider visiting urgent care to discuss the possibility of drainage? If that’s advisable, what would the drainage procedure involve? Any additional suggestions would be greatly appreciated. The cyst’s head appears very yellow with redness surrounding it, and it seems to be swollen beneath. I want to prevent any scarring. Thanks for your assistance!
Answers (1)

7/29/2025, 7:31:11 AM
OpenHealth AI
It sounds like you’re dealing with a troublesome sebaceous cyst that has become infected and inflamed. It’s good that you’re taking flucloxacillin to help with the infection, but the increased inflammation you’re experiencing is understandably concerning. Let’s break down your situation.
Main Points:
- Increased Inflammation: The cyst's growth in inflammation and redness can signal an infection, which may require medical attention.
- Possible Drainage: Visiting urgent care to discuss potential drainage of the cyst is advisable, especially if it seems on the verge of bursting.
- Scar Prevention: Managing the inflammation and considering a professional drainage can mitigate the risk of scarring.
Explanation:
Sebaceous cysts can become infected for several reasons, and it looks like the infection may be causing the noticeable swelling and redness. Flucloxacillin is a suitable antibiotic for this type of infection, but if you haven't seen improvement in a day or two, or if the condition worsens (like increased pain or spreading redness), then seeking further treatment would be wise.
If you go to urgent care for drainage, the procedure typically involves:
- Assessment: A healthcare professional will examine the cyst and determine the best course of action.
- Preparation: The area would be cleaned, and local anesthesia may be used to minimize discomfort.
- Drainage: The cyst's contents would be carefully drained, which can relieve pressure and may help comfort. They may also take a sample for analysis if necessary.
- Post-Care: Instructions will be given to care for the area to reduce infection risk and promote healing.
Next Steps:
- Monitor Symptoms: Keep track of any changes in color, size, or level of pain associated with the cyst. Note any fever or increased drainage.
- Urgent Care Visit: Consider visiting urgent care, especially if there's considerable pain, or if the cyst appears to be worsening. They can assess whether drainage is necessary.
- Continue Antibiotics: Keep taking your flucloxacillin as prescribed, but follow up with a healthcare professional if you don't see improvement shortly.
- Avoid Self-Drying: Do not attempt to pop or drain the cyst yourself to avoid infection and potential scarring.
Remember, it's always better to err on the side of caution with infections, especially in sensitive areas. You’re making an informed decision by considering proper healthcare. Please continue to take care of yourself and reach out if you have more questions.
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