Underarm Bumps: Causes and Treatment Options - Dermatology

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Underarm bumps can be concerning, and it's important to understand their potential causes and treatment options. Based on your description, it sounds like you may be experiencing a condition known as an epidermoid cyst or possibly an infected hair follicle (folliculitis). Let's explore these possibilities and other potential causes of underarm bumps.


Possible Causes of Underarm Bumps
1. Epidermoid Cysts: These are common, benign cysts that form when skin cells multiply and become trapped under the skin. They can appear as small, round lumps and may contain a thick, yellowish substance. If they become inflamed or infected, they can become painful and may drain pus or blood when squeezed.

2. Folliculitis: This is an infection of the hair follicles, often caused by bacteria or fungi. It can lead to red, inflamed bumps that may be itchy or painful. In some cases, these bumps can also produce pus.

3. Abscess: An abscess is a collection of pus that can form due to infection. It can be painful and swollen, and it may require drainage by a healthcare professional.

4. Hidradenitis Suppurativa: This is a chronic skin condition characterized by lumps in the underarm area and other regions where skin rubs together. It can lead to painful abscesses and scarring.

5. Lymphadenopathy: Swollen lymph nodes can sometimes present as lumps in the underarm area. This can occur due to infections, inflammation, or other underlying conditions.

6. Skin Tags or Warts: These are benign growths that can appear in various areas of the body, including the underarms. They are usually harmless but can be bothersome.


Treatment Options
1. Warm Compresses: Applying a warm compress to the affected area can help reduce inflammation and promote drainage if there is an infection.

2. Topical Antibiotics: If the bumps are infected, your healthcare provider may recommend topical antibiotics to help clear the infection.

3. Incision and Drainage: For larger cysts or abscesses, a healthcare professional may need to perform a minor procedure to drain the contents.

4. Surgical Removal: If cysts are recurrent or bothersome, surgical removal may be considered.

5. Medications: In cases of hidradenitis suppurativa or severe infections, systemic medications, including antibiotics or anti-inflammatory drugs, may be necessary.

6. Avoid Squeezing: It’s important not to squeeze or pop the bumps, as this can lead to further infection or scarring.


When to See a Doctor
You should consult a healthcare professional if:
- The bumps are painful, red, or swollen.

- You notice an increase in size or number of bumps.

- There is persistent drainage of pus or blood.

- You experience fever or other systemic symptoms.


Conclusion
In summary, underarm bumps can arise from various causes, including cysts, infections, and skin conditions. While some may resolve on their own, others may require medical intervention. It's essential to avoid self-treatment and seek professional advice, especially if you notice any concerning symptoms. A healthcare provider can accurately diagnose the condition and recommend an appropriate treatment plan tailored to your needs.