Foot Drop

Foot drop is a condition in which a person finds it difficult to lift the front part of their foot, typically due to nerve compression at the lumbar level caused by a slipped disc.

Foot Drop

Symptoms

Foot drop is one of the most serious complications of severe lumbar disc compression. It is a red flag symptom — when a person cannot lift the front of their foot, it signals significant nerve root compromise that requires urgent assessment. The sooner the nerve compression is relieved, the higher the chance of full recovery.
Hallmark symptoms: Steppage gait — the patient raises the knee unusually high when walking to avoid dragging the foot along the floor. The foot slaps down with each step because it cannot be controlled. This is the defining clinical sign of foot drop. Reduced ankle and foot strength — difficulty or complete inability to dorsiflex (lift) the foot at the ankle, making walking, climbing stairs, and driving difficult or impossible. Additional symptoms you may experience:

Tingling, numbness, or burning along the outer shin, top of the foot, and big toe (L5 dermatome)

Mild to severe pain radiating from the lower back through the buttocks, thigh, calf, and foot

Increasing back pain with lifting and bending — worsening with activity

Morning stiffness and back pain that may ease or worsen with movement

Pain worsening with prolonged rest, sitting, standing, or walking

Paralysis/weakness in foot (not able to lift it up)

Reduced bladder or bowel control in severe cases — seek immediate emergency care

Foot drop (paralysis) with loss of bladder or bowel control is a medical emergency (cauda equina syndrome). Seek immediate care — permanent paralysis can result if treatment is delayed.

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