When to worry about leg numbness and tingling with sciatica

Sciatica involves irritation or pressure affecting a nerve root in the lower back. Sensations may travel from the back or buttock into the thigh, calf, or foot, and can feel burning, buzzing, prickling, or reduced sensation. Symptoms may change with sitting, coughing, bending, or walking. The pattern and strength of the leg matter more than the sensation alone.

Keep gently mobile if movement is comfortable, change position regularly, and avoid lifting or twisting that clearly increases the leg symptoms. Note when the tingling began, where it travels, whether it is constant, and any change in walking or strength. Arrange a clinical review if it persists, interferes with sleep or daily activities, or is getting worse.

Seek emergency help for numbness around the inner thighs or genitals, difficulty starting or controlling urination, loss of bowel control, or severe symptoms affecting both legs. Obtain prompt assessment for foot weakness, repeated tripping, a foot that slaps while walking, or rapidly increasing numbness. These signs can indicate significant nerve dysfunction.

Ask which nerve pattern your examination suggests, whether your strength and reflexes are changing, which activities to modify, and what symptoms should trigger urgent reassessment. Ask when physiotherapy or further tests would be appropriate for your particular pattern.