Persistent Left-Sided Lower Back Pain: When to Seek Further Evaluation - Internal Medicine

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Chronic low back pain


Hello Doctor, I have been experiencing lower back pain for two months now.
The pain is particularly noticeable on the left side, but it is not unbearable and does not worsen significantly with sitting or lying down.
However, there have been two instances where I felt a sharp, electric-like pain when twisting my waist or squatting, which made me hesitant to move.
After two or three days, the pain returned to its original state.
Generally, I feel pain with movement, and bending over to wash my hair or reaching down causes more pronounced soreness.
Additionally, I sometimes experience a slight, sharp sensation in my abdomen.
I have seen an orthopedic doctor who said there is nothing wrong, and I have also had normal blood and urine tests, but the pain persists.
Should I consider seeing a nephrologist for further evaluation?

huey, 30~39 year old female. Ask Date: 2008/06/12

Dr. Wang Weijie reply Internal Medicine


Common examinations for low back pain in nephrology: 1.
Urinalysis: This can initially determine whether the low back pain is caused by a disease.
The presence of red blood cells in the urine may indicate kidney or ureteral stones, and in rare cases, tumors; the presence of white blood cells may suggest a kidney infection, often accompanied by symptoms such as pain during urination, frequent urination, and fever.
2.
Ultrasound scan: (1) To check for hydronephrosis and its severity.
(2) To identify kidney or ureteral stones (X-rays can also be used for this).
(3) To detect kidney tumors.
3.
X-ray examination: To assess for structural diseases of the lumbar spine, such as fractures, scoliosis, or stenosis.
Regarding your condition: urinalysis and blood tests are normal, and orthopedic evaluation has shown no significant abnormalities.
It is suggested that you consider consulting a neurologist to check for possible lumbar nerve compression.

Reply Date: 2008/06/12

More Info


Persistent left-sided lower back pain can be a frustrating and concerning issue, especially when it lingers for two months without a clear diagnosis. Based on your description, it seems that you are experiencing localized pain on the left side of your lower back, with occasional sharp sensations when bending or squatting. While you have already consulted an orthopedic doctor and undergone blood and urine tests that returned normal results, it is important to consider a few factors before deciding whether to seek further evaluation.

First, the nature of your pain is crucial in determining the next steps. You mentioned that the pain is not debilitating but does become more pronounced during certain movements, such as bending over or squatting. This could suggest a musculoskeletal issue, such as a strain or sprain, rather than a more serious underlying condition. However, the sharp, electric-like sensations you experience when moving could indicate nerve involvement, which may warrant further investigation.

Given that your initial evaluations did not reveal any significant findings, it may be beneficial to consider the following:
1. Physical Therapy: Engaging in physical therapy can help strengthen the muscles around your lower back, improve flexibility, and alleviate pain. A physical therapist can provide you with tailored exercises and techniques to manage your symptoms effectively.

2. Imaging Studies: If your pain persists despite conservative management, it may be worthwhile to consider imaging studies such as an MRI or CT scan. These tests can help identify any structural abnormalities, such as herniated discs, spinal stenosis, or other conditions that may not be visible on X-rays.

3. Neurological Evaluation: Since you have experienced sharp pain that feels like an electric shock, a consultation with a neurologist may be appropriate. They can assess for any potential nerve compression or other neurological issues that could be contributing to your symptoms.

4. Kidney Evaluation: Although your blood and urine tests were normal, if you are experiencing abdominal discomfort alongside your back pain, it might be prudent to consult a nephrologist. Kidney stones or infections can sometimes present with referred pain to the lower back, and further evaluation may be necessary to rule out these conditions.

5. Lifestyle Modifications: Pay attention to your posture and ergonomics, especially during activities that exacerbate your pain. Incorporating regular stretching and strengthening exercises into your routine can also help alleviate discomfort.

6. Pain Management: Over-the-counter pain relievers, such as NSAIDs (non-steroidal anti-inflammatory drugs), can help manage pain and inflammation. However, it is essential to use them as directed and consult your doctor if you have any underlying health conditions.

In summary, while your initial evaluations have not indicated any serious issues, persistent pain warrants further investigation, especially if it affects your daily activities or quality of life. Consulting with a physical therapist, considering imaging studies, and possibly seeking a neurological or nephrological evaluation could provide more insight into your condition. Always communicate openly with your healthcare providers about your symptoms and concerns, as they can guide you toward the most appropriate next steps for your situation.

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