Black Bumps on Skin: Symptoms and Treatment Options - Dermatology

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Regarding the small black spots?


Hello, doctor.
I discovered an unknown lump on my back a long time ago, which is very painful when lightly touched.
However, since I seem to have seborrheic dermatitis, I thought it was just a common pimple and didn't pay much attention to it, continuing to apply the medication prescribed by my dermatologist.
Recently, I squeezed the pimple and ended up extracting a small black particle that had a hard shell.
It bled continuously for about an hour before I could stop the bleeding.
The next day, I noticed that the original lump had turned into a dark patch with a scab.
This also reminded me of a small black particle that suddenly appeared on my waist earlier, which was softer, but after squeezing it, the wound disappeared after some time.
Now, after squeezing the lump on my back, it is less prominent but still present, and I can feel a dull pain.
What could this be a symptom of? What can I do about it?

angel, 10~19 year old female. Ask Date: 2004/11/12

Dr. Zheng Lizhen reply Dermatology


Hello: It is not possible to make a diagnosis based solely on your description.
Please consult a dermatologist nearby for an accurate diagnosis and treatment.
Sincerely, Dr.
Cheng Li-Chen, Dermatologist.

Reply Date: 2004/11/12

More Info


Understanding black bumps on the skin can be a complex issue, especially when accompanied by symptoms such as pain, bleeding, and changes in color. Based on your description, it seems that you have experienced a few different skin issues, including what you referred to as "black bumps" and possibly some underlying conditions like seborrheic dermatitis (leaky skin inflammation).
Firstly, the black bumps you mentioned could be a variety of things, including but not limited to seborrheic keratosis, dermatofibromas, or even a type of cyst. Seborrheic keratosis is a common, non-cancerous skin growth that can appear as a black or brown bump on the skin. They are usually painless but can become irritated if scratched or picked at. Dermatofibromas are firm, raised bumps that can be brownish in color and may feel painful when touched. Cysts, on the other hand, can be filled with fluid or semi-solid material and may become inflamed or infected, leading to pain and bleeding when manipulated.

The fact that you experienced bleeding after squeezing the bump is concerning. It is crucial to avoid squeezing or picking at any skin lesions, as this can lead to infection, scarring, and further complications. The black color you observed after squeezing could be due to dried blood or a change in pigmentation from trauma to the skin. The scabbing that followed is a natural part of the healing process, but it’s essential to keep the area clean and avoid further irritation.

Given your history of seborrheic dermatitis, it’s possible that the skin in that area is more sensitive and prone to irritation. This condition can lead to inflammation and changes in skin texture and color. The presence of pain and the fact that the bumps persist despite treatment suggest that a thorough evaluation by a dermatologist is necessary. They can provide a definitive diagnosis and recommend appropriate treatment options.

In terms of self-care, here are a few recommendations:
1. Avoid Picking or Squeezing: As mentioned, refrain from manipulating the bumps. This can lead to infection and worsen the condition.

2. Keep the Area Clean: Gently cleanse the affected area with a mild soap and water. Avoid harsh scrubs or exfoliants that can irritate the skin further.

3. Moisturize: Use a gentle, non-comedogenic moisturizer to keep the skin hydrated. This can help with any dryness or irritation.

4. Monitor Changes: Keep an eye on the bumps for any changes in size, color, or pain level. Documenting these changes can be helpful for your dermatologist.

5. Sun Protection: Use sunscreen on the affected areas to prevent further pigmentation changes, especially if the skin is healing from trauma.

6. Consult a Dermatologist: Given the complexity of your symptoms, it’s crucial to see a dermatologist for a proper diagnosis. They may perform a biopsy or other tests to determine the nature of the bumps and recommend treatments such as topical medications, cryotherapy, or surgical removal if necessary.

In conclusion, while it’s understandable to be concerned about changes in your skin, especially when accompanied by pain and bleeding, the best course of action is to seek professional medical advice. A dermatologist will be able to provide you with a tailored treatment plan based on a thorough examination and diagnosis. Remember, early intervention can often lead to better outcomes, so don’t hesitate to make that appointment.

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