Hernias occur when an organ or tissue pushes through a weak spot in the surrounding muscle or connective tissue. While not always painful, hernias can cause discomfort and pain, especially when the affected area is under pressure or during physical activity. It's important to see a doctor if you experience any persistent pain or swelling in the abdominal or groin area, as this could be a sign of a hernia. In some cases, a hernia can become strangulated, meaning the blood supply to the affected tissue