Low back pain on one side may be caused by kidney diseases, such as kidney tumor, huge kidney cyst, hydronephrosis, etc. It may also be unrelated to kidney diseases, such as ankylosing spondylitis, lumbar muscle strain, etc.
1. Kidney disease: renal tumor or huge renal cyst can lead to tension in the kidney peritoneum, which may result in low back pain on one side; hydronephrosis on one side may result in low back pain on one side due to the obstruction of the ureter, which leads to the inability of urine to be discharged and collects in the kidney.
2. Ankylosing spondylitis: mostly triggered by a combination of genetic and environmental factors, resulting in the destruction of the spine and lumbar intervertebral disc fibrous ring, resulting in damage to the tissues around the spine, which is prone to one-sided low back pain.
3. Lumbar muscle strain: it may be that the patient exerts force on one side of the waist for a long time, resulting in strain of the lumbar muscles on one side, and one side of low back pain may occur.
One side of the low back pain may also have other causes, it is recommended that patients go to the regular hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.