Armpit Pain: Causes and When to See a Doctor

Axillary pain

Hello, doctor.
Recently, I have developed some small, eczema-like bumps behind my left armpit (which are painful).
I noticed that the day after, I started experiencing pain near the lymph nodes and in the armpit area.
Could you please tell me what might be the cause of this? If I need to go to the hospital, which department should I see? Thank you!

lin, 20~29 year old female. Ask Date: 2016/02/20

Dr. Li Zhonghuai reply Surgery

Hello! It is recommended to see a dermatologist for an accurate assessment.
Changhua Hospital cares about you!

Reply Date: 2016/02/20

More Info

Armpit pain, especially when accompanied by a rash or bumps, can be concerning and may indicate several underlying conditions. The symptoms you describe, including the presence of eczema-like bumps and pain in the lymph nodes and armpit area, could be attributed to a few potential causes.

Possible Causes of Armpit Pain
1. Lymphadenopathy: The lymph nodes in the armpit can become swollen and painful due to infections, inflammation, or other underlying conditions. This could be a response to a localized infection, such as a skin infection or even a systemic infection that causes lymph nodes to react.

2. Skin Conditions: The rash you describe could be a form of dermatitis, such as contact dermatitis, which occurs when the skin reacts to irritants or allergens. Eczema or psoriasis can also manifest in this area and may cause discomfort and pain.

3. Infections: Bacterial or viral infections can lead to pain in the armpit area. For instance, an abscess or folliculitis (infection of hair follicles) can cause localized pain and swelling.

4. Muscle Strain: Sometimes, pain in the armpit can be due to muscle strain or injury, particularly if you have engaged in activities that involve lifting or repetitive arm movements.

5. More Serious Conditions: While less common, conditions such as lymphoma or other malignancies can present with swollen lymph nodes and pain in the armpit area.

When to See a Doctor
Given your symptoms, it is advisable to consult a healthcare professional, especially if:
- The pain persists or worsens over time.

- You experience additional symptoms such as fever, night sweats, unexplained weight loss, or fatigue.

- The rash spreads or does not improve with over-the-counter treatments.

- You notice any changes in the size or consistency of the lymph nodes.

Which Specialist to See
For your symptoms, starting with a visit to a primary care physician or a dermatologist would be appropriate. A primary care physician can evaluate your symptoms, perform necessary examinations, and refer you to a specialist if needed. If the lymph nodes are significantly swollen or if there are signs of systemic illness, a referral to an infectious disease specialist or hematologist may be warranted.

Conclusion
In summary, armpit pain accompanied by a rash and lymph node tenderness can arise from various causes, ranging from benign skin conditions to more serious underlying issues. It is essential to monitor your symptoms closely and seek medical attention to receive an accurate diagnosis and appropriate treatment. Early intervention can help manage symptoms effectively and address any potential underlying conditions.

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