Understanding Lower Back Discomfort and Its Origins

Experiencing pain in the right side of the lower back can be alarming. The causes vary, but often, it results from muscle strain caused by physical activities or overstretching, which usually heals spontaneously. Over-the-counter ointments or sprays can provide relief if pain persists. However, more serious underlying conditions may be responsible, requiring prompt medical attention.

Kidney Problems
Since the kidneys are located in this region, issues like infections, stones, or trauma can cause lower back pain. Symptoms include fever, burning urination, flank pain, nausea, or vomiting. Pregnant women noticing such symptoms should seek immediate medical advice. Kidney-related pain is a common cause of lower back discomfort on either side.

Other potential causes include:

Appendicitis
The appendix, a small tube attached to the large intestine on the lower right side, can become inflamed, especially in individuals under 30. Symptoms include intense pain in the right lower abdomen and back, bloating, tenderness, and fullness. Prompt medical care can often resolve the condition without surgery.

Muscle, ligament, or tendon injuries supporting the spine can also result in pain on either side of the lower back.

Spinal Structural Problems
Issues such as herniated discs and joint degeneration (osteoarthritis) in the lumbar region may lead to pain. Conditions like spinal stenosis or sacroiliac joint dysfunction can also be culprits. These problems involve structures like facet joints, nerve roots, and intervertebral discs, causing localized or radiating pain.

Cauda Equina Syndrome
A serious condition where nerve roots at the bottom of the spinal canal become compressed, leading to significant pain, bladder or bowel dysfunction, numbness, and weakness.

Aneurysms and Infections
An abdominal aortic aneurysm, although rare, can cause lower right side pain if it ruptures. Osteomyelitis, an infection in the spine, may also be responsible. Both require urgent medical evaluation.

Less Common Causes

Spinal Tumors: Rarely, tumors pressing on the right side of the spine or nerve roots can cause pain, often metastasized from other body parts.

Chronic Pain Syndromes: Conditions like fibromyalgia result in widespread musculoskeletal pain, which can include lower back discomfort, along with tender trigger points.

Most pain originates from trauma or injury, but persistent or severe symptoms should prompt immediate medical consultation to diagnose and treat the underlying cause effectively.