Red Bump on Palm: Causes, Treatment, and When to See a Doctor - Dermatology

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A red lesion has developed on the palm?


I have developed several small bump-like lesions on my palm over the past month, which have since clustered together and grown larger, resembling a small spherical mass beneath the skin.
It is not painful when pressed and does not move.
It appears to contain a semi-liquid substance.
I accidentally injured it, causing it to bleed and ooze a small amount of pus (presumably).
Although it hasn't increased in size, it has not improved and is approximately 0.4 centimeters in diameter.
It is bright red and has become more prominent recently, making it quite inconvenient for daily activities.
What could this be? Is it treatable with topical medication?

:), 10~19 year old female. Ask Date: 2009/09/15

Dr. Huang Ruiyun reply Dermatology


Hello: It is prohibited by law to diagnose diseases online.
If you are truly troubled, you should see a dermatologist in person.
Wishing you peace and good health.

Reply Date: 2009/09/15

More Info


The appearance of red bumps on the palm, especially those that seem to be fluid-filled and have become larger over time, can be concerning. Based on your description, it sounds like you may be dealing with a few potential conditions, including a cyst, a benign tumor, or possibly an infection. Here’s a breakdown of what you might be experiencing, along with treatment options and advice on when to seek medical attention.


Possible Causes
1. Epidermoid Cyst: These are common, benign lumps that form beneath the skin. They are usually filled with keratin, a protein found in skin, and can appear as small, round bumps. They are generally painless unless they become inflamed or infected.

2. Pilar Cyst: Similar to epidermoid cysts, these are typically found on the scalp but can occur elsewhere. They are also filled with keratin and can be mistaken for other types of bumps.

3. Lipoma: A lipoma is a benign tumor made of fat tissue. They are usually soft, movable, and painless. However, they can sometimes feel firm and may be mistaken for cysts.

4. Infection: If the bump has become red, swollen, and has discharged pus, it could indicate an infection, such as an abscess. This can occur if bacteria enter through a break in the skin.

5. Dermatological Conditions: Conditions like folliculitis (inflammation of hair follicles) or other skin infections could also present as red bumps.


Treatment Options
- Observation: If the bump is not causing pain or discomfort, and it is not growing, your doctor may recommend simply monitoring it for changes.

- Topical Treatments: Over-the-counter creams or ointments, especially those containing antibiotics, may help if there is a minor infection. However, if the bump is a cyst or lipoma, topical treatments may not be effective.

- Incision and Drainage: If the bump is infected or causing significant discomfort, a healthcare provider may need to drain it. This procedure can often be done in an office setting.

- Surgical Removal: If the bump is a cyst or lipoma and is bothersome, surgical removal may be the best option. This is usually a straightforward procedure.


When to See a Doctor
You should consider seeing a healthcare provider if:
- The bump continues to grow or changes in appearance.

- It becomes painful, red, or warm to the touch, indicating a possible infection.

- You experience fever or other systemic symptoms.

- The bump interferes with your daily activities or causes significant discomfort.


Conclusion
While many bumps on the skin are benign and may not require immediate treatment, it is essential to monitor any changes. Given that your bump has bled and discharged pus, it is advisable to consult a healthcare professional for an accurate diagnosis and appropriate treatment. They may perform a physical examination and, if necessary, imaging studies or a biopsy to determine the exact nature of the bump. Early intervention can prevent complications and ensure proper healing.

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