An infected sebaceous cyst (also known as an infected epidermoid cyst) is a painful skin condition that occurs when a blocked oil gland or hair follicle becomes infected with bacteria. The image above shows a severely inflamed and infected cyst located on the back of the neck, an area especially prone to irritation due to shaving, sweating, friction, and bacterial exposure.
This condition should never be ignored, as untreated infections can worsen and spread.
🔆What Is a Sebaceous (Epidermoid) Cyst?
A sebaceous cyst is a slow-growing, noncancerous lump beneath the skin. It forms when:
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Sebum (oil) becomes trapped
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A hair follicle is blocked
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Skin trauma damages the follicle
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Dead skin cells accumulate under the skin
Normally, cysts are painless. However, once bacteria enter, the cyst can become infected, swollen, and extremely painful.
🌙Signs of an Infected Cyst (As Seen in the Image)
The image clearly shows classic signs of infection, including:
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🔴 Severe redness and inflammation
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💥 Swelling and raised skin
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🟡 Pus-filled opening
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⚫ Dark central punctum
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🤕 Pain and tenderness
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🌡️ Warmth around the area
These symptoms indicate that the cyst has progressed into an abscess, meaning pus has collected under the skin.
🌞Why the Neck Is a Common Location
The back of the neck is especially vulnerable due to:
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Frequent shaving or hair trimming
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Sweat buildup
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Tight collars or clothing
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Friction from pillows or helmets
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Dense hair follicles
All of these factors increase the risk of bacterial infection.
💫What NOT to Do ❌
Many people make the mistake of squeezing or popping an infected cyst. This can:
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Push bacteria deeper into the skin
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Spread infection to nearby tissue
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Cause scarring
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Lead to serious complications
🚫 Never squeeze, cut, or drain an infected cyst at home.
⚡Proper Treatment Options ✅
1. Medical Drainage
A healthcare professional may:
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Numb the area
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Make a sterile incision
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Drain pus safely
2. Antibiotics
If the infection is severe, oral or topical antibiotics may be prescribed.
3. Surgical Removal
To prevent recurrence, the entire cyst wall may need to be removed once inflammation decreases.
💰Home Care (Only If Advised by a Doctor)
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Apply warm compresses to reduce pain
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Keep the area clean and dry
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Avoid tight clothing around the neck
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Do not shave over the area
💥When to Seek Immediate Medical Help 🚨
See a doctor immediately if you notice:
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Rapidly increasing pain or swelling
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Fever or chills
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Red streaks spreading from the cyst
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Foul-smelling discharge
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Difficulty moving the neck
⭐Prevention Tips
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Maintain good skin hygiene
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Avoid aggressive shaving
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Shower after heavy sweating
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Treat small cysts early before infection develops
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Don’t ignore recurring lumps
🔊Final Thoughts
An infected sebaceous cyst, like the one shown in the image, is not just a cosmetic issue—it’s a medical condition that requires proper care. Early treatment prevents complications, reduces pain, and minimizes scarring.
If you notice similar symptoms, consult a healthcare professional rather than attempting self-treatment.
