Discomfort in the Left Back and Armpit: Causes and Treatments - Surgery

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There is discomfort in the left side of the back and under the armpit?


Hello Doctor: Recently, I have been experiencing tightness in the upper left side of my back, accompanied by a cramping discomfort that also extends to my left armpit, which feels swollen and tight (without any external injury or noticeable redness).
When wearing a bra and clothing, I feel a sense of tightness along with discomfort.
I recently visited a surgical clinic for treatment, which primarily involved intravenous injections and oral medications.
After treatment from the clinic physician, the discomfort in my left back was somewhat alleviated, but a few days later, I experienced the same discomfort in my left shoulder and armpit again, which is quite bothersome.
Therefore, I would like to ask the doctor what might be the underlying issue and which specialty I should consult for treatment.
Thank you, Doctor.

ping, 30~39 year old female. Ask Date: 2016/06/07

Dr. Li Zhonghuai reply Surgery


Hello! Based on what you have described, if there is no improvement after a period of treatment, I recommend considering a low-dose chest CT scan at your own expense to rule out the most concerning issue of tumors.
If no tumors are found, the remaining possibilities are musculoskeletal issues, which are generally easier to address.
Wishing you well! Changhua Hospital cares about you.

Reply Date: 2016/06/07

More Info


The discomfort you're experiencing in your left back and armpit area can be attributed to several potential causes, and it's essential to approach this systematically to determine the underlying issue. Given your symptoms of tightness, a cramping sensation, and discomfort in the left armpit, there are a few possibilities to consider.

1. Muscle Strain or Tension: One of the most common reasons for discomfort in the back and armpit area is muscle strain or tension. This can occur due to poor posture, repetitive movements, or even stress. If you've been engaging in activities that require repetitive arm movements or if you've been under stress, this could lead to muscle tightness and discomfort.

2. Nerve Compression: Another possibility is that a nerve in your neck or upper back is being compressed. Conditions such as a herniated disc or cervical radiculopathy can lead to symptoms that radiate into the shoulder and armpit area. This could explain the tightness and discomfort you're feeling.

3. Thoracic Outlet Syndrome: This condition occurs when the blood vessels or nerves in the space between your collarbone and your first rib become compressed. Symptoms can include pain in the shoulder and neck, numbness in the fingers, and discomfort in the armpit area.

4. Referred Pain: Sometimes, pain in the back or shoulder can be referred from other areas, such as the heart or lungs. Although less common, it’s essential to rule out any serious conditions, especially if you have risk factors for cardiovascular disease.

5. Postural Issues: Poor posture, especially if you spend long hours sitting or working at a desk, can lead to muscle imbalances and discomfort in the upper back and shoulder areas.
Given that you have already sought treatment from a surgical clinic and received some relief, it may be beneficial to consult with a specialist who can provide a more targeted approach. Here are some recommendations:
- Orthopedic Specialist: They can evaluate your musculoskeletal system and determine if there are any structural issues contributing to your discomfort.

- Physical Therapist: A physical therapist can help you with exercises to strengthen the muscles in your back and shoulders, improve your posture, and relieve tension.

- Neurologist: If nerve compression is suspected, a neurologist can conduct tests to assess nerve function and determine if there is any underlying nerve issue.

- Chiropractor: If you believe your discomfort may be related to spinal alignment, a chiropractor may provide adjustments that could alleviate your symptoms.

In terms of treatment, here are some strategies you might consider:
- Physical Therapy: Engaging in physical therapy can help strengthen the muscles around your back and shoulders, improve flexibility, and alleviate pain.

- Posture Correction: Being mindful of your posture while sitting, standing, and during activities can significantly reduce discomfort. Ergonomic adjustments to your workspace may also help.

- Heat and Cold Therapy: Applying heat can help relax tight muscles, while cold therapy can reduce inflammation if there is any swelling.

- Medication: Over-the-counter anti-inflammatory medications can help manage pain and inflammation.

- Stress Management: Techniques such as yoga, meditation, or deep-breathing exercises can help reduce overall muscle tension and stress.

In conclusion, while your symptoms may be related to muscle strain or tension, it’s crucial to consult with the appropriate healthcare professionals to rule out any serious conditions and receive a tailored treatment plan. Your health and comfort are paramount, and addressing these issues early can lead to better outcomes.

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