[21M] With a hard, non-movable lump on back

What might be happening

Based on the information you've provided, here are some possible explanations for the lump on your back:

• Abscess: An abscess is a pocket of pus that forms due to an infection. It can cause the skin to become red, warm, and swollen. The black center might indicate necrotic tissue or a scab forming over the abscess.

  • Treatment: Abscesses often require drainage by a healthcare professional. Antibiotics may also be prescribed to treat the underlying infection.

• Cyst: A cyst is a closed sac-like structure that can be filled with fluid, pus, or other material. Some cysts can become infected, leading to redness and warmth.

  • Treatment: Depending on the type of cyst, treatment may involve drainage, surgical removal, or observation. Infected cysts may require antibiotics.

• Lipoma: A lipoma is a benign tumor made of fat tissue. They are usually soft and movable, but some can be firmer and deeper under the skin.

  • Treatment: Lipomas generally do not require treatment unless they cause discomfort or other issues. Surgical removal is an option if necessary.

• Skin Infection: A skin infection, such as cellulitis, can cause redness, warmth, and swelling. The black center might indicate a more severe infection or necrosis.

  • Treatment: Skin infections typically require antibiotics. Severe infections may need more intensive treatment.

What you can do

While it's important to seek medical attention for a proper diagnosis and treatment, here are some steps you can take in the meantime:

1. Keep the Area Clean: Gently wash the area with soap and water to prevent further infection.
2. Avoid Squeezing or Popping: Do not attempt to squeeze or pop the lump, as this can worsen the infection or cause it to spread.
3. Apply Warm Compresses: Applying a warm compress to the area may help reduce discomfort and promote drainage if it is an abscess.
4. Monitor Symptoms: Keep an eye on the lump for any changes in size, color, or pain level.

What you should look out for

Seek medical attention promptly if you experience any of the following:

• Increased Pain or Swelling: If the lump becomes more painful or swollen, it could indicate a worsening infection.
• Fever and Chills: Persistent fever and chills may suggest a systemic infection that requires medical treatment.
• Red Streaks: Red streaks extending from the lump could indicate a spreading infection.
• Difficulty Moving: If the lump affects your ability to move or causes significant discomfort, seek medical advice.

Remember, it's important to consult a healthcare professional for a formal diagnosis and appropriate treatment. They can provide a thorough examination and recommend the best course of action for your specific situation.