constipation, or irritable bowel syndrome often play a role. Many people notice these symptoms after dietary changes or during periods of stress.
Kidney-related complaints, such as kidney stones or mild infections, can also occur in the left flank and radiate to the back or groin.
Pain that spreads across the entire left side:
Sometimes the pain affects a larger area, from the shoulder to the hip. This can be caused by nerve irritation, poor posture, or general muscle tension. In some cases, conditions such as fibromyalgia contribute to increased sensitivity
