Which symptom is commonly associated with sciatica?

The symptom that is commonly associated with sciatica is pain radiating down the leg. Sciatica occurs when the sciatic nerve, which runs from the lower back through the hips and buttocks and down each leg, becomes compressed or irritated. This can result in a sharp pain that typically starts in the lower back or buttock and travels down the back of one leg. The pain can vary in intensity and may be accompanied by other sensations such as tingling, numbness, or weakness in the affected leg.

In contrast, symptoms like a stiff neck, headaches, and chest pain are not related to sciatica. A stiff neck is generally indicative of issues in the cervical spine or muscle tension, headaches may arise from a variety of non-related sources such as tension or migraines, and chest pain often pertains to cardiovascular or respiratory issues. Therefore, the specific nature of pain radiating down the leg is a hallmark feature of sciatica, distinguishing it from other conditions.